{"id":13052,"date":"2014-06-06T10:53:34","date_gmt":"2014-06-06T03:53:34","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=13052"},"modified":"2014-06-02T11:01:15","modified_gmt":"2014-06-02T04:01:15","slug":"ket-qua-nghien-cuu-mot-so-dac-diem-sinh-thai-va-tinh-hinh-gay-trong-loai-lo-bo-brownlowia-tabularis-pierre-xoan-moc-toona-surenii-blume-merr-va-dau-cat-dipterocarpus-condorensis-ashton","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-nghien-cuu-mot-so-dac-diem-sinh-thai-va-tinh-hinh-gay-trong-loai-lo-bo-brownlowia-tabularis-pierre-xoan-moc-toona-surenii-blume-merr-va-dau-cat-dipterocarpus-condorensis-ashton\/","title":{"rendered":"K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m sinh th\u00e1i v\u00e0 t\u00ecnh h\u00ecnh g\u00e2y tr\u1ed3ng lo\u00e0i L\u00f2 bo (brownlowia tabularis Pierre), Xoan m\u1ed9c (toona surenii (Blume) merr) v\u00e0 D\u1ea7u c\u00e1t (dipterocarpus condorensis Ashton)"},"content":{"rendered":"

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0.<\/p>\n

L\u00f2 bo, Xoan m\u1ed9c, D\u1ea7u c\u00e1t l\u00e0 ba lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn b\u1ea3n \u0111\u1ecba c\u00f3 gi\u00e1 tr\u1ecb m\u1ecdc r\u1ea3i r\u00e1c trong c\u00e1c khu r\u1eebng t\u1ef1 nhi\u00ean n\u01b0\u1edbc ta. \u0110\u1ed1i v\u1edbi lo\u00e0i Xoan m\u1ed9c kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng t\u1ea1i T\u00e2y Nguy\u00ean, v\u00e0 m\u1ed9t s\u1ed1 t\u1ec9nh ph\u00eda b\u1eafc (Ninh B\u00ecnh, H\u00f2a B\u00ecnh, Ph\u00fa Th\u1ecd, S\u01a1n La, Tuy\u00ean Quang, Y\u00ean B\u00e1i). L\u00f2 bo ph\u00e2n b\u1ed1 r\u1ea3i r\u00e1c t\u1eeb Kh\u00e1nh H\u00f2a tr\u1edf v\u00e0o ph\u00eda nam, t\u1eadp trung t\u01b0\u01a1ng \u0111\u1ed1i nhi\u1ec1u \u1edf \u0110\u1ed3ng Nai. D\u1ea7u c\u00e1t ph\u00e2n b\u1ed1 t\u1ea1i v\u00f9ng ven bi\u1ec3n nam trung b\u1ed9: B\u00ecnh Thu\u1eadn, B\u00e0 R\u1ecba V\u0169ng T\u00e0u; ngo\u00e0i ra lo\u00e0i n\u00e0y c\u00f2n xu\u1ea5t hi\u1ec7n t\u1ea1i \u0111\u1ea3o Ph\u00fa Qu\u1ed1c \u2013 Ki\u00ean Giang.<\/p>\n

\"Dau<\/a><\/p>\n

II. V\u1eacT LI\u1ec6U, PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U.<\/p>\n

2.1. V\u1eadt li\u1ec7u nghi\u00ean c\u1ee9u.<\/b><\/p>\n

– \u0110\u1ed1i v\u1edbi r\u1eebng t\u1ef1 nhi\u00ean l\u00e0 c\u00e1c c\u00e1 th\u1ec3, qu\u1ea7n th\u1ec3 L\u00f2 bo, Xoan M\u1ed9c, D\u1ea7u c\u00e1t t\u1ea1i \u0110\u1ed3ng Nai, Ninh B\u00ecnh, Gia Lai, B\u00e0 R\u1ecba V\u0169ng T\u00e0u.<\/p>\n

– \u0110\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng: thu th\u1eadp s\u1ed1 li\u1ec7u t\u1ea1i Tr\u1ea1m l\u00e2m nghi\u1ec7p H\u01b0\u01a1ng V\u00e2n \u2013 Hu\u1ebf, V\u01b0\u1eddn qu\u1ed1c gia C\u00fac Ph\u01b0\u01a1ng \u2013 Ninh B\u00ecnh, Kon H\u00e0 N\u1eebng \u2013 Gia Lai, KBT B\u00ecnh Ch\u00e2u Ph\u01b0\u1edbc B\u1eedu – B\u00e0 R\u1ecba V\u0169ng T\u00e0u.<\/p>\n

2.2. Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u.<\/b><\/p>\n

– \u0110\u1ed1i v\u1edbi r\u1eebng t\u1ef1 nhi\u00ean: S\u1eed d\u1ee5ng \u00f4 ti\u00eau chu\u1ea9n \u0111i\u1ec3n h\u00ecnh c\u00f3 di\u1ec7n t\u00edch 2.500m2<\/sup> \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf nh\u1eefng v\u1ecb tr\u00ed \u0111\u1ea1i di\u1ec7n cho tr\u1ea1ng th\u00e1i r\u1eebng ph\u1ed5 bi\u1ebfn trong khu v\u1ef1c c\u00f3 lo\u00e0i c\u00e2y ph\u00e2n b\u1ed1. Trong \u00f4 ti\u00eau chu\u1ea9n ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ebfm to\u00e0n b\u1ed9 s\u1ed1 c\u00e2y g\u1ed7, c\u00e2y t\u00e1i sinh, \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 t\u00e0n che, \u0111\u1ed9 che ph\u1ee7.<\/p>\n

– \u0110\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng: S\u1eed d\u1ee5ng l\u00fd l\u1ecbch r\u1eebng tr\u1ed3ng k\u1ebft h\u1ee3p ph\u1ecfng v\u1ea5n thu th\u1eadp th\u00f4ng tin c\u00f3 li\u00ean quan. L\u1eadp \u00f4 ti\u00eau chu\u1ea9n di\u1ec7n t\u00edch 500 m2<\/sup> thu th\u1eadp c\u00e1c ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng, m\u1eabu \u0111\u1ea5t.<\/p>\n

– K\u1ebf th\u1eeba c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c trong l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u c\u00f3 li\u00ean quan.<\/p>\n

2.3. Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd s\u1ed1 li\u1ec7u.<\/b><\/p>\n

– S\u1ed1 li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u00ean ph\u1ea7n m\u1ec1m excel.<\/p>\n

III. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U.<\/h1>\n

3.1. C\u00e2y L\u00f2 bo <\/i><\/b>(<\/i>t\u00ean kh\u00e1c l\u00e0 <\/b>L\u00f2 b\u00f3, L\u00e1c hoa, Bang)<\/p>\n

3.1.1. \u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i.<\/i><\/b><\/p>\n

C\u00e2y g\u1ed7 l\u1edbn, cao 30 – 40m; th\u00e2n tr\u00f2n, th\u1eb3ng, c\u00e0nh m\u1ecdc d\u00e0y \u0111\u1eb7c, c\u00f3 l\u00f4ng h\u00ecnh sao.<\/p>\n

L\u00e1 h\u00ecnh b\u1ea7u d\u1ee5c hay tr\u00e1i xoan r\u1ed9ng, tr\u00f2n \u1edf c\u1ea3 hai \u0111\u1ea7u, dai, b\u00f3ng \u1edf m\u1eb7t tr\u00ean, m\u00e0u tr\u1eafng nh\u1ea1t v\u00e0 c\u00f3 l\u00f4ng \u1edf m\u1eb7t d\u01b0\u1edbi, d\u00e0i 11 – 18cm, r\u1ed9ng 7 – 12cm; g\u00e2n g\u1ed1c 3, g\u00e2n gi\u1eefa k\u00e8m theo 4 – 5 \u0111\u00f4i g\u00e2n b\u00ean; cu\u1ed1ng l\u00e1 d\u00e0y, d\u00e0i 5 – 6cm.<\/p>\n

C\u1ee5m hoa ch\u00f9y \u1edf ng\u1ecdn, h\u00ecnh th\u00e1p r\u1ed9ng, c\u00f3 khi cao t\u1edbi 15cm v\u00e0 r\u1ed9ng 10 – 12cm, nh\u00e1nh d\u01b0\u1edbi d\u00e0i t\u1edbi 10cm, t\u1ea5t c\u1ea3 c\u00e1c nh\u00e1nh \u0111\u1ec1u mang hoa \u1edf n\u1eeda ph\u00eda tr\u00ean; cu\u1ed1ng hoa ng\u1eafn h\u01a1n l\u00e1 b\u1eafc; n\u1ee5 hoa h\u00ecnh c\u1ea7u nh\u1ecdn. \u0110\u00e0i g\u1ed3m 5 l\u00e1 \u0111\u00e0i d\u00ednh nhau \u1edf n\u1eeda ph\u00eda d\u01b0\u1edbi, c\u00f3 l\u00f4ng \u1edf m\u1eb7t ngo\u00e0i. Tr\u00e0ng g\u1ed3m 5 c\u00e1nh hoa, thu\u00f4n, tr\u00f2n \u1edf \u0111\u1ec9nh. Nh\u1ecb r\u1ea5t nhi\u1ec1u, bao ph\u1ea5n h\u00ecnh khi\u00ean, nh\u1ecb l\u00e9p 5, h\u00ecnh d\u1ea3i, nh\u1eb5n. B\u1ea7u c\u00f3 5 l\u00e1 no\u00e3n, c\u00f3 l\u00f4ng, c\u00f3 5 c\u1ea1nh, v\u00f2i nh\u1ee5y nh\u1eb5n; no\u00e3n 2 trong m\u1ed7i \u00f4.<\/p>\n

Qu\u1ea3 c\u00f3 1 – 3 m\u1ea3nh, g\u1ea7n h\u00ecnh c\u1ea7u, c\u00f3 m\u1ed9t r\u00e3nh d\u1ecdc, \u0111\u01b0\u1eddng k\u00ednh 3 – 4cm, c\u00f3 l\u00f4ng; h\u1ea1t 1, kh\u00f4ng c\u00f3 n\u1ed9i nh\u0169.<\/p>\n

Kh\u1ea3 n\u0103ng ph\u00e1t t\u00e1n h\u1ea1t gi\u1ed1ng: V\u1edbi \u0111\u1eb7c \u0111i\u1ec3m qu\u1ea3 to, n\u1eb7ng khi L\u00f2 bo ch\u00edn r\u1ee5ng ngay t\u1ea1i g\u1ed1c, ch\u1ec9 m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p v\u1edbi \u0111\u1ecba h\u00ecnh d\u1ed1c ho\u1eb7c n\u01b0\u1edbc su\u1ed1i ch\u1ea3y mang theo lo\u00e0i c\u00e2y n\u00e0y m\u1edbi ph\u00e1t t\u00e1n h\u1ea1t gi\u1ed1ng \u0111i xa \u0111\u01b0\u1ee3c; Tuy nhi\u00ean qu\u1ea3 n\u00e0y l\u1ea1i l\u00e0 m\u00f3n \u0103n r\u1ea5t \u01b0a th\u00edch c\u1ee7a m\u1ed9t s\u1ed1 lo\u00e0i \u0111\u1ed9ng v\u1eadt r\u1eebng nh\u01b0 s\u00f3c, ch\u1ed3n n\u00ean ngo\u00e0i kh\u1ea3 n\u0103ng nh\u1edd \u0111\u1ecba h\u00ecnh, n\u01b0\u1edbc L\u00f2 bo c\u00f2n ph\u00e1t t\u00e1n nh\u1edd th\u00fa r\u1eebng (s\u00f3c). H\u1ec7 r\u1ec5 c\u1ecdc.<\/p>\n

M\u00f9a ra hoa th\u00e1ng 3, 4 v\u00e0 qu\u1ea3 ch\u00edn th\u00e1ng 7, 8 trong n\u0103m.<\/p>\n

3.1.2. M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m ph\u1ea7n.<\/i><\/b><\/p>\n

– T\u1ed5 th\u00e0nh lo\u00e0i c\u00e2y g\u1ed7:<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo s\u1ed1 c\u00e2y bao g\u1ed3m 10 lo\u00e0i (752 c\u00e1 th\u1ec3, chi\u1ebfm 62,25%) trong khi 65 lo\u00e0i c\u00f2n l\u1ea1i ch\u1ec9 c\u00f3 456 c\u00e1 th\u1ec3 chi\u1ebfm 37,75% trong t\u1ed5ng s\u1ed1 75 lo\u00e0i (1.208 c\u00e1 th\u1ec3).<\/p>\n

C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh: 13.16Langa + 11.92Lomuc + 10.26Coke + 7.45Blinh + 4.39Truong + 3.64Nhau + 3.39Mnai + 2.98Blang + 2.57Cmai + 2.48Trchua + 37.75Lk<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo ti\u1ebft di\u1ec7n ngang g\u1ed3m 10 lo\u00e0i (737 c\u00e1 th\u1ec3, t\u1ed5ng ti\u1ebft di\u1ec7n ngang chi\u1ebfm 58,61%) c\u00f3 ti\u1ebft di\u1ec7n ngang bi\u1ebfn \u0111\u1ed9ng t\u1eeb 2,22% \u0111\u1ebfn 13,71% v\u00e0 65 lo\u00e0i kh\u00e1c chi\u1ebfm 41,39% trong t\u1ed5ng s\u1ed1 75 lo\u00e0i v\u1edbi 1.208 c\u00e1 th\u1ec3.<\/p>\n

13.71Lang + 9.15Konia + 9.06Lomuc + 7.01Mnai + 5.62Coke + 3.46Comai + 3.46Truong + 2.53Nhau + 2.40Blinh + 2.22Trchua + 41.39Lk.<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo ch\u1ec9 s\u1ed1 IV:<\/p>\n

13.43Lang + 10.49Lomuc + 7.94Coke + 5.44Konia + 5.20Mnai+ 4.93Blinh + 3.92Truong + 3.08Nhau + 3.01Cmai + 2.57Blang+\u00a0 39.97Lk.<\/p>\n

– Ph\u00e2n b\u1ed1 s\u1ed1 c\u00e2y theo \u0111\u01b0\u1eddng k\u00ednh (n\/D1,3)<\/p>\n

n=e^(2.694248+0.01057D)<\/p>\n

3.1.3. K\u1ebft qu\u1ea3 g\u00e2y tr\u1ed3ng.<\/i><\/b><\/p>\n

B\u1ea3ng 1. T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 sinh tr\u01b0\u1edfng L\u00f2 bo tr\u1ed3ng h\u1ed7n giao 7 tu\u1ed5i t\u1ea1i H\u01b0\u01a1ng V\u00e2n<\/p>\n\n\n\n\n\n\n\n\n\n
\n

Ch\u1ec9 ti\u00eau<\/p>\n<\/td>\n

\n

D1,3<\/p>\n<\/td>\n

\n

Hvn<\/p>\n<\/td>\n

\n

\u2206D1,3<\/p>\n<\/td>\n

\n

\u2206Hvn<\/p>\n<\/td>\n<\/tr>\n

Max<\/td>\n\n

5,1<\/p>\n<\/td>\n

\n

4,5<\/p>\n<\/td>\n

\n

0,7<\/p>\n<\/td>\n

\n

0,6<\/p>\n<\/td>\n<\/tr>\n

Min<\/td>\n\n

2,3<\/p>\n<\/td>\n

\n

2<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n<\/tr>\n

TB<\/td>\n\n

3,0<\/p>\n<\/td>\n

\n

3,5<\/p>\n<\/td>\n

\n

0,4<\/p>\n<\/td>\n

\n

0,5<\/p>\n<\/td>\n<\/tr>\n

s<\/td>\n\n

0,850<\/p>\n<\/td>\n

\n

0,728<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
S%<\/td>\n\n

27,9<\/p>\n<\/td>\n

\n

20,9<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
R<\/td>\n\n

1,8<\/p>\n<\/td>\n

\n

2,5<\/p>\n<\/td>\n

\n

0,4<\/p>\n<\/td>\n

\n

0.3<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ef7 l\u1ec7 s\u1ed1ng 66,6%.<\/p>\n

B\u1ea3ng t\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 sinh tr\u01b0\u1edfng L\u00f2 bo tr\u1ed3ng t\u1ea1i Tr\u1ea1m l\u00e2m nghi\u1ec7p H\u01b0\u01a1ng V\u00e2n \u2013 Th\u1eeba Thi\u00ean Hu\u1ebf cho th\u1ea5y \u0111\u00e2y l\u00e0 lo\u00e0i c\u00e2y sinh tr\u01b0\u1edfng ch\u1eadm, sau 7 n\u0103m tr\u1ed3ng t\u1eeb n\u0103m 2002 c\u00e2y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn nh\u1ea5t \u0111\u1ea1t 5,1cm trong khi c\u00e2y \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf nh\u1ea5t 2,3cm, ph\u1ea1m vi bi\u1ebfn \u0111\u1ed9ng 1,8cm, h\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng 27,9%, t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh \u0111\u1ea1t 0,4cm\/n\u0103m. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u01b0\u1eddng k\u00ednh, t\u0103ng tr\u01b0\u1edfng chi\u1ec1u cao c\u0169ng r\u1ea5t h\u1ea1n ch\u1ebf \u0111\u1ebfn nay m\u00f4 h\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp c\u00e1ch nay 7 n\u0103m (2002) nh\u01b0ng c\u00f3 c\u00e2y c\u00f2n \u1edf \u0111\u1ed9 cao 2m. H\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn (tr\u00ean 20%). M\u00f4 h\u00ecnh n\u00e0y tr\u1ed3ng h\u1ed7n giao bao g\u1ed3m 48 lo\u00e0i s\u01b0u t\u1eadp t\u1ea1i khu v\u1ef1c mi\u1ec1n Trung, T\u00e2y Nguy\u00ean, v\u00e0 Nam b\u1ed9 trong khi lo\u00e0i L\u00f2 bo kh\u00f4ng ph\u1ea3i ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean t\u1ea1i khu v\u1ef1c Th\u1eeba Thi\u00ean Hu\u1ebf n\u00ean vi\u1ec7c sinh tr\u01b0\u1edfng ch\u1eadm v\u00e0 t\u1ef7 l\u1ec7 s\u1ed1ng 66,6% l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c khi kh\u00e1c nhau v\u1ec1 bi\u00ean \u0111\u1ed9 sinh th\u00e1i.<\/p>\n

3.2. C<\/b>\u00e2y<\/b> Xoan m\u1ed9c <\/i><\/b>(t\u00ean kh\u00e1c X\u01b0\u01a1ng m\u1ed9c, L\u00e1t kh\u00e9t)<\/i><\/p>\n

\u00a0\u00a0\u00a0\u00a0 3.2.1.<\/i> <\/b>\u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i.<\/i><\/b><\/b><\/p>\n

Xoan m\u1ed9c l\u00e0 c\u00e2y m\u1ecdc nhanh, \u01b0a s\u00e1ng, \u01b0a kh\u00ed h\u1eadu n\u00f3ng \u1ea9m, s\u1ed1ng trong v\u00f9ng c\u00f3 l\u01b0\u1ee3ng m\u01b0a t\u1eeb 1.120mm \u0111\u1ebfn 4.000mm\/n\u0103m, c\u00f3 m\u00f9a kh\u00f4 k\u00e9o d\u00e0i t\u1eeb 3 \u0111\u1ebfn 4 th\u00e1ng, ch\u1ecbu \u0111\u01b0\u1ee3c s\u01b0\u01a1ng gi\u00e1 trong th\u1eddi gian ng\u1eafn. \u01afa \u0111\u1ea5t s\u00e2u, d\u00e0y, \u1ea9m nh\u01b0ng tho\u00e1t n\u01b0\u1edbc, \u0111\u1ed9 ph\u00ed cao. S\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea3 tr\u00ean \u0111\u1ea5t chua ho\u1eb7c ki\u1ec1m. Kh\u1ea3 n\u0103ng t\u00e1i sinh h\u1ea1t t\u1ed1t. C\u00e2y g\u1ed7 l\u1edbn cao \u0111\u1ebfn 35m, \u0111\u01b0\u1eddng k\u00ednh ngang ng\u1ef1c c\u00f3 th\u1ec3 tr\u00ean 100cm, th\u00e2n tr\u00f2n th\u1eb3ng, g\u1ed1c c\u00f3 b\u1ea1nh v\u00e8 nh\u1ecf, v\u1ecf d\u00e0y m\u00e0u x\u00e1m n\u00e2u, n\u1ee9t d\u1ecdc, sau bong m\u1ea3ng. C\u00e0nh non n\u00e2u s\u1eabm, ph\u1ee7 l\u00f4ng n\u00e2u v\u00e0ng, r\u1ea3i r\u00e1c n\u1ed1t s\u1ea7n n\u00e2u nh\u1ea1t. L\u00e1 k\u00e9p l\u00f4ng chim m\u1ed9t l\u1ea7n ch\u1eb5n, \u00edt khi l\u1ebb, m\u1ecdc c\u00e1ch, c\u00f3 7 \u2013 14 \u0111\u00f4i l\u00e1 ch\u00e9t, m\u1ecdc g\u1ea7n \u0111\u1ed1i, d\u00e0i 8 \u2013 17cm, r\u1ed9ng 2,5 \u2013 7cm, h\u00ecnh tr\u00e1i xoan d\u00e0i, \u0111\u1ea7u c\u00f3 m\u0169i nh\u1ecdn, \u0111u\u00f4i l\u1ec7ch, m\u00e9p nguy\u00ean ho\u1eb7c h\u01a1i g\u1ee3n s\u00f3ng. Phi\u1ebfn l\u00e1 nh\u1eb5n, n\u00e1ch g\u00e2n l\u00e1 ph\u00eda sau c\u00f3 t\u00fam l\u00f4ng, g\u00e2n b\u00ean 12 \u2013 15 \u0111\u00f4i n\u1ed5i r\u00f5 \u1edf m\u1eb7t sau.<\/p>\n

C\u1ee5m hoa xim vi\u00ean \u0111\u1ea7u c\u00e0nh, hoa l\u01b0\u1ee1ng t\u00ednh, tr\u00e0ng hoa m\u00e0u tr\u1eafng, m\u00e9p c\u00e1nh tr\u00e0ng c\u00f3 l\u00f4ng t\u01a1. Nh\u1ecb n\u0103m, r\u1eddi, d\u00e0i g\u1ea7n b\u1eb1ng c\u00e1nh tr\u00e0ng, \u0111\u00f4i khi xen nh\u1ecb l\u00e9p. Tri\u1ec1n hoa m\u1eadp, c\u00f3 m\u00fai tr\u00f2n, \u0111\u1ea7u nh\u1ee5y h\u00ecnh \u0111\u0129a c\u00f3 n\u0103m g\u00e2n. B\u1ea7u ph\u1ee7 l\u00f4ng, n\u0103m \u00f4, m\u1ed7i \u00f4 8 \u2013 10 no\u00e3n.<\/p>\n

Qu\u1ea3 nang h\u00ecnh tr\u00e1i xoan d\u00e0i, d\u00e0i 3,0 \u2013 3,5cm, \u0111\u01b0\u1eddng k\u00ednh 0,8 \u2013 1,0cm. V\u1ecf qu\u1ea3 nhi\u1ec1u \u0111\u1ed1m tr\u1eafng. H\u1ea1t d\u1eb9p, n\u00e2u b\u00f3ng, hai \u0111\u1ec1u c\u00f3 c\u00e1nh m\u1ecfng kh\u00f4ng \u0111\u1ec1u.<\/p>\n

Kh\u1ea3 n\u0103ng ph\u00e1t t\u00e1n h\u1ea1t gi\u1ed1ng: \u0110\u1eb7c \u0111i\u1ec3m qu\u1ea3 lo\u00e0i n\u00e0y khi ch\u00edn do b\u1ea7u 5 \u00f4 m\u1edf ra 5 c\u00e1nh sau \u0111\u00f3 h\u1ea1t gi\u1ed1ng r\u01a1i r\u1ee5ng c\u00f3 th\u1ec3 bay xa trong gi\u00f3 v\u00ec h\u1ea1t nh\u1ecf, c\u00f3 c\u00e1nh m\u1ecfng n\u00ean kh\u1ea3 n\u0103ng ph\u00e1t t\u00e1n r\u1ea5t xa, thu\u1eadn l\u1ee3i cho vi\u1ec7c m\u1edf r\u1ed9ng s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a ch\u00fang.<\/p>\n

G\u1ed7 c\u00f3 d\u00e1c m\u00e0u x\u00e1m v\u00e0ng, l\u00f5i m\u00e0u h\u1ed3ng ho\u1eb7c n\u00e2u \u0111\u1ecf, m\u1ec1m, nh\u1eb9, d\u1ec5 bi\u1ebfn d\u1ea1ng v\u00e0 n\u1ee9t, d\u1ec5 l\u00e0m, \u0103n s\u01a1n v\u00e0 \u0111\u00e1nh b\u00f3ng \u0111\u1eb9p, v\u00f2ng n\u0103m kh\u00f3 th\u1ea5y tr\u00ean m\u1eb7t c\u1eaft d\u1ecdc, nh\u01b0ng d\u1ec5 th\u1ea5y tr\u00ean m\u1eb7t c\u1eaft ngang do g\u1ed7 m\u1ea1ch v\u00f2ng, g\u1ed7 s\u1edbm \u0111\u1ea7u xu\u00e2n m\u1ea1ch to, nhu m\u00f4 quanh m\u1ea1ch kh\u00f3 nh\u1eadn bi\u1ebft. G\u1ed7 nh\u1eb9, t\u1ef7 tr\u1ecdng 0,565, l\u1ef1c k\u00e9o ngang th\u1edb 22 kg\/cm2<\/sup>, o\u1eb1n 0,886 kg\/cm2<\/sup>, h\u1ec7 s\u1ed1 co r\u00fat 0,32 \u2013 0,52, c\u00f3 v\u00e2n m\u1ec1m d\u1ec5 gia c\u00f4ng c\u00f3 th\u1ec3 \u0111\u00f3ng \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u1ed3 gia d\u1ee5ng, x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda, x\u1ebb v\u00e1n, \u0111i\u00eau kh\u1eafc, d\u1ec5 l\u1ea1ng b\u00f3c l\u00e0m g\u1ed7 d\u00e1n. R\u1ec5 v\u00e0 h\u1ea1t c\u00f3 th\u1ec3 l\u00e0m thu\u1ed1c. V\u1ecf ch\u1ee9a nhi\u1ec1u tanin. H\u1ec7 r\u1ec5 c\u1ecdc.<\/p>\n

M\u00f9a ra n\u1ee5 th\u00e1ng 4, hoa th\u00e1ng 5, 6 v\u00e0 qu\u1ea3 ch\u00edn th\u00e1ng 11, 12 trong n\u0103m (c\u00e1c t\u1ec9nh ph\u00eda b\u1eafc).<\/p>\n

M\u00f9a ra n\u1ee5 th\u00e1ng 11, hoa th\u00e1ng 1, 2 v\u00e0 qu\u1ea3 ch\u00edn th\u00e1ng 3, 4 n\u0103m sau (c\u00e1c t\u1ec9nh T\u00e2y Nguy\u00ean).<\/p>\n

3.2.2. M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m ph\u1ea7n.<\/i><\/b><\/p>\n

– T\u1ed5 th\u00e0nh lo\u00e0i c\u00e2y g\u1ed7:<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo s\u1ed1 c\u00e2y bao g\u1ed3m 17 lo\u00e0i (713 c\u00e1 th\u1ec3, chi\u1ebfm 67,30%) trong khi 54 lo\u00e0i c\u00f2n l\u1ea1i ch\u1ec9 c\u00f3 347 c\u00e1 th\u1ec3 chi\u1ebfm 32,70% trong t\u1ed5ng s\u1ed1 71 lo\u00e0i (1.060 c\u00e1 th\u1ec3).<\/p>\n

18,9Nv + 6,3Va + 5,7Tcv + 5,0Rr + 3,8\u0110om + 3,5Tr3c + 3,1Th + 2,8\u0110bv + 2,8No + 2,5Nn + 2,2Mlt + 2,2Thm + 1,9Chc + 1,9Cnqt + 1,6Xm + 1,6Mrc + 1,6Ng + 72,7Lk.<\/p>\n

Trong s\u1ed1 17 lo\u00e0i c\u00f3 s\u1ed1 c\u00e1 th\u1ec3 67,30% tr\u00ean t\u1ed5ng s\u1ed1 71 lo\u00e0i, cao h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi 54 lo\u00e0i c\u00f2n l\u1ea1i, nh\u01b0 v\u1eady m\u1ee9c \u0111\u1ed9 \u01b0u th\u1ebf c\u1ee7a v\u1ec1 s\u1ed1 c\u00e2y c\u1ee7a c\u00e1c lo\u00e0i trong c\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh so v\u1edbi c\u00e1c lo\u00e0i kh\u00e1c l\u00e0 kh\u00e1c nhau r\u00f5 r\u1ec7t.<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo ti\u1ebft di\u1ec7n ngang g\u1ed3m 17 lo\u00e0i c\u00f3 ti\u1ebft di\u1ec7n ngang bi\u1ebfn \u0111\u1ed9ng t\u1eeb 1,34% \u0111\u1ebfn 7,86% v\u00e0 54 lo\u00e0i kh\u00e1c chi\u1ebfm 21,34% trong t\u1ed5ng s\u1ed1 71 lo\u00e0i v\u1edbi 1.060 c\u00e1 th\u1ec3.<\/p>\n

7,86Va + 7,05Trm + 6,70Nv + 6,34Xm + 6,33Cal + 6,30\u0110bv + 6,04San + 4,62Th + 4,45Trt +3,93Gi + 3,91Tht +3,69Sau + 2,88Mlt + 2,77Ck + 2,22Nh + 2,20\u0110k + 1,34\u01105l + 21,34Lk.<\/p>\n

Trong s\u1ed1 17 lo\u00e0i c\u00f3 ti\u1ebft di\u1ec7n ngang chi\u1ebfm 78,66% tr\u00ean t\u1ed5ng s\u1ed1 71 lo\u00e0i cao h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi 54 lo\u00e0i c\u00f2n l\u1ea1i ch\u1ec9 chi\u1ebfm 21,34%, nh\u01b0 v\u1eady m\u1ee9c \u0111\u1ed9 \u01b0u th\u1ebf c\u1ee7a v\u1ec1 ti\u1ebft di\u1ec7n ngang c\u1ee7a c\u00e1c lo\u00e0i trong c\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh so v\u1edbi c\u00e1c lo\u00e0i kh\u00e1c l\u00e0 kh\u00e1c nhau r\u00f5 r\u1ec7t.<\/p>\n

– Ph\u00e2n b\u1ed1 s\u1ed1 c\u00e2y theo \u0111\u01b0\u1eddng k\u00ednh (n\/D1,3)<\/p>\n

n=e^(4.307725-0.02276D)<\/p>\n

3.2.3. K\u1ebft qu\u1ea3 g\u00e2y tr\u1ed3ng.<\/i><\/b><\/p>\n

B\u1ea3ng 2. T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 sinh tr\u01b0\u1edfng Xoan m\u1ed9c tr\u1ed3ng thu\u1ea7n lo\u00e0i 21 tu\u1ed5i t\u1ea1i C\u00fac Ph\u01b0\u01a1ng<\/p>\n\n\n\n\n\n\n\n\n\n
\n

Ch\u1ec9 ti\u00eau<\/p>\n<\/td>\n

\n

D1,3<\/p>\n<\/td>\n

\n

Hvn<\/p>\n<\/td>\n

\n

Hdc<\/p>\n<\/td>\n

\n

\u2206D1,3<\/p>\n<\/td>\n

\n

\u2206Hvn<\/p>\n<\/td>\n

\n

\u2206Hdc<\/p>\n<\/td>\n<\/tr>\n

Max<\/td>\n\n

28,3<\/p>\n<\/td>\n

\n

12<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

1,3<\/p>\n<\/td>\n

\n

0,6<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n<\/tr>\n

Min<\/td>\n\n

10,2<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

0,5<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n

\n

0,1<\/p>\n<\/td>\n<\/tr>\n

TB<\/td>\n\n

16,7<\/p>\n<\/td>\n

\n

8,1<\/p>\n<\/td>\n

\n

5,1<\/p>\n<\/td>\n

\n

0,8<\/p>\n<\/td>\n

\n

0,4<\/p>\n<\/td>\n

\n

0,2<\/p>\n<\/td>\n<\/tr>\n

s<\/td>\n\n

4,216<\/p>\n<\/td>\n

\n

1,776<\/p>\n<\/td>\n

\n

1,208<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
S%<\/td>\n\n

25,3<\/p>\n<\/td>\n

\n

22,0<\/p>\n<\/td>\n

\n

23,8<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
R<\/td>\n\n

18,1<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

4<\/p>\n<\/td>\n

\n

0,8<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n

\n

0,2<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ef7 l\u1ec7 s\u1ed1ng 38,3%.<\/p>\n

K\u1ebft qu\u1ea3 t\u1ed5ng h\u1ee3p sinh tr\u01b0\u1edfng cho th\u1ea5y tr\u00ean m\u00f4 h\u00ecnh n\u00e0y Xoan m\u1ed9c c\u00f3 t\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh \u0111\u1ea1t 0,8cm\/n\u0103m \u0111\u01b0\u1ee3c coi l\u00e0 nhanh \u0111\u1ed1i v\u1edbi lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba, c\u00e2y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn nh\u1ea5t 28,3cm, \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf nh\u1ea5t 16,7cm, ph\u1ea1m vi bi\u1ebfn \u0111\u1ed9ng c\u0169ng nh\u01b0 h\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (R = 18,1cm, S% = 25,3%). Tuy nhi\u00ean x\u00e9t v\u1ec1 t\u0103ng tr\u01b0\u1edfng chi\u1ec1u cao c\u1ee7a Xoan m\u1ed9c r\u1ea5t h\u1ea1n ch\u1ebf, trung b\u00ecnh ch\u1ec9 0,4m\/n\u0103m, \u0111\u1eb7c bi\u1ec7t t\u0103ng tr\u01b0\u1edfng chi\u1ec1u cao d\u01b0\u1edbi c\u00e0nh th\u1ea5p. H\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng v\u1ec1 chi\u1ec1u cao l\u1edbn, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y c\u00e2y trong khu tr\u1ed3ng thu\u1ea7n lo\u00e0i theo \u0111\u00e1m c\u00f3 ch\u00eanh l\u1ec7ch r\u00f5 r\u1ec7t v\u1ec1 chi\u1ec1u cao. \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd n\u1eefa l\u00e0 m\u1eb7c d\u00f9 \u0111\u00e3 21 tu\u1ed5i nh\u01b0ng lo\u00e0i n\u00e0y v\u1eabn r\u1ea3i r\u00e1c b\u1ecb s\u00e2u \u0111\u1ee5c ng\u1ecdn ph\u00e1 ho\u1ea1i t\u1ea1i c\u00e1c \u0111\u1ea7u c\u00e0nh, \u0111\u00e2y c\u0169ng l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi c\u00e2y ph\u00e2n c\u00e0nh th\u1ea5p v\u00e0 t\u0103ng tr\u01b0\u1edfng chi\u1ec1u cao h\u1ea1n ch\u1ebf.<\/p>\n

 <\/p>\n

B\u1ea3ng 3. T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 sinh tr\u01b0\u1edfng Xoan m\u1ed9c tr\u1ed3ng h\u1ed7n giao 8 tu\u1ed5i t\u1ea1i C\u00fac Ph\u01b0\u01a1ng<\/p>\n\n\n\n\n\n\n\n\n\n
\n

Ch\u1ec9 ti\u00eau<\/p>\n<\/td>\n

\n

D1,3<\/p>\n<\/td>\n

\n

Hvn<\/p>\n<\/td>\n

\n

Hdc<\/p>\n<\/td>\n<\/tr>\n

Max<\/td>\n\n

54,8<\/p>\n<\/td>\n

\n

16<\/p>\n<\/td>\n

\n

12<\/p>\n<\/td>\n<\/tr>\n

Min<\/td>\n\n

17,8<\/p>\n<\/td>\n

\n

8<\/p>\n<\/td>\n

\n

4<\/p>\n<\/td>\n<\/tr>\n

TB<\/td>\n\n

36,9<\/p>\n<\/td>\n

\n

12,6<\/p>\n<\/td>\n

\n

7,6<\/p>\n<\/td>\n<\/tr>\n

s<\/td>\n\n

9,898<\/p>\n<\/td>\n

\n

2,524<\/p>\n<\/td>\n

\n

2,227<\/p>\n<\/td>\n<\/tr>\n

S%<\/td>\n\n

26,8<\/p>\n<\/td>\n

\n

20,0<\/p>\n<\/td>\n

\n

29,3<\/p>\n<\/td>\n<\/tr>\n

R<\/td>\n\n

37,0<\/p>\n<\/td>\n

\n

8<\/p>\n<\/td>\n

\n

8<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ef7 l\u1ec7 s\u1ed1ng 23,7%.<\/p>\n

Do m\u00f4 h\u00ecnh Xoan m\u1ed9c h\u1ed7n giao theo h\u00e0ng v\u1edbi c\u00e1c lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba Tr\u01b0\u1eddng, Kim giao, Ch\u00e8 \u0111\u1eafng, L\u00e1t hoa s\u1eed d\u1ee5ng c\u00e2y l\u1edbn b\u1ee9ng trong r\u1eebng t\u1ef1 nhi\u00ean ra tr\u1ed3ng d\u1eabn t\u1edbi k\u00edch c\u1ee1 c\u00e2y bi\u1ebfn \u0111\u1ed9ng nhi\u1ec1u c\u0169ng nh\u01b0 t\u1ef7 l\u1ec7 c\u00e2y s\u1ed1ng h\u1ea1n ch\u1ebf (23,7%) do b\u1ed9 r\u1ec5 kh\u00f4ng \u0111\u1ea3m b\u1ea3o b\u1eb1ng c\u00e2y t\u1ea1o t\u1eeb h\u1ea1t \u01b0\u01a1m trong t\u00fai b\u1ea7u. X\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng th\u01b0\u1eddng xuy\u00ean h\u00e0ng n\u0103m v\u1ec1 hai ch\u1ec9 ti\u00eau chi\u1ec1u cao v\u00e0 \u0111\u01b0\u1eddng k\u00ednh kh\u00f4ng ch\u00ednh x\u00e1c n\u1ebfu kh\u00f4ng d\u00f9ng khoan t\u0103ng tr\u01b0\u1edfng c\u0169ng b\u1edfi kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc c\u00e2y b\u1ee9ng \u0111em tr\u1ed3ng. Tuy nhi\u00ean, ch\u00fang t\u00f4i c\u0169ng \u0111\u01b0a ra b\u1ea3ng t\u1ed5ng h\u1ee3p tr\u00ean \u0111\u1ec3 th\u1ea5y r\u1eb1ng kh\u1ea3 n\u0103ng s\u1ed1ng s\u00f3t c\u0169ng nh\u01b0 sinh tr\u01b0\u1edfng c\u00e2y Xoan m\u1ed9c khi b\u1ee9ng \u0111em tr\u1ed3ng l\u00e0 v\u1eabn kh\u1ea3 quan.<\/p>\n

B\u1ea3ng 4. T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 sinh tr\u01b0\u1edfng Xoan m\u1ed9c tr\u1ed3ng theo b\u0103ng 19 tu\u1ed5i t\u1ea1i Kon H\u00e0 N\u1eebng<\/p>\n\n\n\n\n\n\n\n\n\n
\n

Ch\u1ec9 ti\u00eau<\/p>\n<\/td>\n

\n

D1,3<\/p>\n<\/td>\n

\n

Hvn<\/p>\n<\/td>\n

\n

\u2206D1,3<\/p>\n<\/td>\n

\n

\u2206Hvn<\/p>\n<\/td>\n<\/tr>\n

Max<\/td>\n\n

14,6<\/p>\n<\/td>\n

\n

11<\/p>\n<\/td>\n

\n

0,8<\/p>\n<\/td>\n

\n

0,6<\/p>\n<\/td>\n<\/tr>\n

Min<\/td>\n\n

4,1<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

0,2<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n<\/tr>\n

TB<\/td>\n\n

9,2<\/p>\n<\/td>\n

\n

9,0<\/p>\n<\/td>\n

\n

0,5<\/p>\n<\/td>\n

\n

0,5<\/p>\n<\/td>\n<\/tr>\n

s<\/td>\n\n

3,767<\/p>\n<\/td>\n

\n

1,5<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
S%<\/td>\n\n

40,9<\/p>\n<\/td>\n

\n

16,7<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
R<\/td>\n\n

10,5<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

0,6<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ef7 l\u1ec7 s\u1ed1ng 37,5%.<\/p>\n

K\u1ebft qu\u1ea3 b\u1ea3ng 3 ch\u1ec9 ra k\u1ebft qu\u1ea3 tr\u1ed3ng theo b\u0103ng d\u01b0\u1edbi t\u00e1n r\u1eebng t\u1ef1 nhi\u00ean, khi ch\u00fang t\u00f4i kh\u1ea3o s\u00e1t v\u00e0 \u0111o \u0111\u1ebfm s\u1ed1 li\u1ec7u th\u1ea5y r\u1eb1ng vi\u1ec7c m\u1edf t\u00e1n r\u1eebng t\u1ea7ng c\u00e2y cao tr\u01b0\u1edbc kia nay \u0111\u00e3 tr\u1edf l\u1ea1i ban \u0111\u1ea7u v\u00ec c\u00e2y t\u1ea7ng cao \u0111\u00e3 kh\u00e9p t\u00e1n tr\u1edf l\u1ea1i, trong khi hai h\u00e0ng c\u00e2y Xoan m\u1ed9c v\u00e0 D\u1ea7u r\u00e1i tr\u1ed3ng b\u1ed5 sung theo b\u0103ng d\u01b0\u1edbi t\u00e1n b\u1ecb l\u1ea5n \u00e1t m\u1ea1nh v\u1ec1 kh\u1ea3 n\u0103ng quang h\u1ee3p c\u0169ng nh\u01b0 c\u00e2y b\u1ee5i t\u00e1i sinh l\u1ea5n \u00e1t ph\u00eda d\u01b0\u1edbi do vi\u1ec7c v\u1ec7 sinh ph\u00e1t lu\u1ed1ng ch\u0103m s\u00f3c nhi\u1ec1u n\u0103m nay kh\u00f4ng \u0111\u01b0\u1ee3c tri\u1ec3n khai. Ngo\u00e0i ra c\u00e2y Xoan m\u1ed9c n\u00e0y c\u0169ng ch\u1ecbu s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a s\u00e2u \u0111\u1ee5c ng\u1ecdn r\u1ea3i r\u00e1c gi\u1ed1ng nh\u01b0 t\u1ea1i V\u01b0\u1eddn qu\u1ed1c gia C\u00fac Ph\u01b0\u01a1ng. V\u1edbi nh\u1eefng nguy\u00ean nh\u00e2n tr\u00ean d\u1eabn t\u1edbi c\u00e2y Xoan m\u1ed9c b\u1ecb ph\u00e2n ly r\u1ea5t nhi\u1ec1u, c\u1ee5 th\u1ec3 ph\u1ea1m vi bi\u1ebfn \u0111\u1ed9ng \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (10,5cm), \u0111\u01b0\u1eddng k\u00ednh c\u00e2y l\u1edbn nh\u1ea5t 14,6cm trong khi gi\u00e1 tr\u1ecb c\u00e2y nh\u1ecf nh\u1ea5t ghi nh\u1eadn \u0111\u01b0\u1ee3c ch\u1ec9 4,1cm, h\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng t\u1edbi 40,9%; trong khi ph\u1ea1m vi bi\u1ebfn \u0111\u1ed9ng chi\u1ec1u cao nh\u1ecf 16,7%. T\u0103ng tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh 0,5cm\/n\u0103m v\u00e0 0,5m\/n\u0103m v\u1ec1 chi\u1ec1u cao trong khi gi\u00e1 tr\u1ecb t\u0103ng tr\u01b0\u1edfng nh\u1ecf nh\u1ea5t l\u00e0 0,2cm\/n\u0103m v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng sau 19 n\u0103m c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf nh\u1ea5t l\u00e0 4,1cm.<\/p>\n

3.3. C\u00e2y<\/b> D\u1ea7u c\u00e1t <\/i><\/b>(t\u00ean kh\u00e1c: D\u1ea7u gi\u1ea5y)<\/p>\n

\u00a0\u00a0\u00a0\u00a0 3.2.1.<\/i> <\/b>\u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i.<\/i><\/b><\/b><\/p>\n

D\u1ea7u c\u00e1t l\u00e0 c\u00e2y g\u1ed7 l\u1edbn sinh tr\u01b0\u1edfng ch\u1eadm, chi\u1ec1u cao c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn tr\u00ean 30m, \u0111\u01b0\u1eddng k\u00ednh t\u1edbi 1,2m. Th\u00e2n c\u00e2y h\u00ecnh tr\u1ee5, th\u1eb3ng. Chi\u1ec1u cao d\u01b0\u1edbi c\u00e0nh t\u1eeb 12 \u2013 20m (\u0111\u1ed1i v\u1edbi c\u00e2y th\u00e0nh th\u1ee5c c\u00f4ng ngh\u1ec7 ho\u1eb7c th\u00e0nh th\u1ee5c t\u1ef1 nhi\u00ean), v\u1ecf m\u00e0u x\u00e1m n\u00e2u bong th\u00e0nh nh\u1eefng m\u1ea3ng nh\u1ecf.<\/p>\n

L\u00e1 \u0111\u01a1n m\u1ecdc c\u00e1ch, c\u00e0nh v\u00e0 l\u00e1 non c\u00f3 l\u00f4ng m\u00e0u x\u00e1m nh\u1ea1t, l\u00e1 h\u00ecnh tr\u1ee9ng thu\u00f4n, \u0111\u1ea7u h\u01a1i nh\u1ecdn, g\u00e2n c\u00f3 t\u1eeb 10 \u2013 15 \u0111\u00f4i n\u1ed5i r\u00f5 \u1edf m\u1eb7t sau m\u1eb7t tr\u00ean nh\u1eb5n, m\u1eb7t d\u01b0\u1edbi c\u00f3 l\u00f4ng h\u00ecnh sao, chi\u1ec1u d\u00e0i l\u00e1 t\u1eeb 12 \u2013 20cm, chi\u1ec1u r\u1ed9ng t\u1eeb 7 \u2013 12cm.<\/p>\n

Hoa t\u1ef1 ch\u00f9m l\u01b0\u1ee1ng t\u00ednh m\u1ecdc \u1edf n\u00e1ch l\u00e1, \u0111\u1ea7u c\u00e0nh. \u0110\u00e0i c\u00f3 5 thu\u1ef3 l\u1ee3p, h\u1ee3p \u1edf g\u1ed1c v\u00e0 \u1ed1ng \u0111\u00e0i th\u01b0\u1eddng d\u00ednh v\u1edbi b\u1ea7u, c\u00e1c l\u00e1 \u0111\u00e0i ban \u0111\u1ea7u b\u1eb1ng nhau, sau hai l\u00e1 \u0111\u00e0i th\u00e0nh c\u00e1nh \u1edf qu\u1ea3 ch\u00ednh v\u00ec v\u1eady \u0111\u00f4i khi g\u1ecdi d\u1ea7u l\u00e0 h\u1ecd qu\u1ea3 hai c\u00e1nh. C\u00e1nh hoa 5, v\u1eb7n. Nh\u1ecb th\u01b0\u1eddng nhi\u1ec1u h\u01a1n 15, \u0111\u00f4i khi 5, th\u01b0\u1eddng r\u1eddi nhau. B\u1ea7u th\u01b0\u1eddng c\u00f3 3 \u00f4, m\u1ed7i \u00f4 ch\u1ee9a 2 no\u00e3n. Qu\u1ea3 h\u00ecnh tr\u00f2n kh\u00f4 kh\u00f4ng m\u1edf, bao b\u1edfi \u0111\u00e0i hoa d\u00e0i 10-15cm, \u0111\u01b0\u1eddng k\u00ednh qu\u1ea3 t\u1eeb 2-3cm. H\u1ea1t kh\u00f4ng c\u00f3 ph\u00f4i nh\u0169; l\u00e1 m\u1ea7m g\u1ea5p n\u1ebfp. H\u1ec7 r\u1ec5 c\u1ecdc.<\/p>\n

M\u00f9a hoa th\u00e1ng 11, 12, qu\u1ea3 ch\u00edn th\u00e1ng 3, 4 n\u0103m sau.<\/p>\n

D\u1ea7u c\u00e1t c\u0169ng nh\u01b0 m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y trong h\u1ecd Sao D\u1ea7u kh\u00e1c, ch\u00fang c\u00f3 chu k\u1ef3 sai qu\u1ea3, th\u00f4ng th\u01b0\u1eddng ti\u1ebfp n\u1ed1i sau n\u0103m \u0111\u01b0\u1ee3c m\u00f9a l\u00e0 n\u0103m m\u1ea5t m\u00f9a hoa, v\u00ec v\u1eady vi\u1ec7c thu h\u00e1i qu\u1ea3 lo\u00e0i n\u00e0y c\u0169ng c\u1ea7n l\u01b0u \u00fd.<\/p>\n

3.3.2. M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m l\u00e2m ph\u1ea7n.<\/i><\/b><\/p>\n

– T\u1ed5 th\u00e0nh lo\u00e0i c\u00e2y g\u1ed7:<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo s\u1ed1 c\u00e2y bao g\u1ed3m 10 lo\u00e0i (762 c\u00e1 th\u1ec3, chi\u1ebfm 66,20%) trong khi 46 lo\u00e0i c\u00f2n l\u1ea1i ch\u1ec9 c\u00f3 389 c\u00e1 th\u1ec3 chi\u1ebfm 33,80% trong t\u1ed5ng s\u1ed1 47 lo\u00e0i (1.151 c\u00e1 th\u1ec3).<\/p>\n

C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh: 20,16Sen + 15,99Dcat + 6,86Trnh + 6,60Thr + 3.13S\u0111 + 3.04Trv\u0111 + 2.95So + 2.87Trch + 2.52Mch + 2.09Sao + 33.80Lk<\/p>\n

Trong t\u1ed5ng s\u1ed1 1.151 c\u00e1 th\u1ec3 v\u1edbi 47 lo\u00e0i, 10 lo\u00e0i trong c\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh c\u00f3 s\u1ed1 l\u01b0\u1ee3ng 762 c\u00e1 th\u1ec3, chi\u1ebfm 76,20%.<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo ti\u1ebft di\u1ec7n ngang g\u1ed3m 10 lo\u00e0i c\u00f3 ti\u1ebft di\u1ec7n ngang bi\u1ebfn \u0111\u1ed9ng t\u1eeb 1,60% \u0111\u1ebfn 34,17% v\u00e0 46 lo\u00e0i kh\u00e1c chi\u1ebfm 17,9% trong t\u1ed5ng s\u1ed1 47 lo\u00e0i v\u1edbi 1.151 c\u00e1 th\u1ec3.<\/p>\n

34,17Dcat + 24,87Sen + 4,69Trnh + 3,89S\u0111 + 3,67Thr + 2,77Vven + 2,4Trv\u0111 + 2,05Cay + 1,98Sao +1,60Trchua\u00a0 + 17,90Lk.<\/p>\n

Trong s\u1ed1 10 lo\u00e0i c\u00f3 ti\u1ebft di\u1ec7n ngang chi\u1ebfm 82,10% tr\u00ean t\u1ed5ng s\u1ed1 47 lo\u00e0i cao h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi 46 lo\u00e0i c\u00f2n l\u1ea1i ch\u1ec9 chi\u1ebfm 17,90%, nh\u01b0 v\u1eady m\u1ee9c \u0111\u1ed9 \u01b0u th\u1ebf c\u1ee7a v\u1ec1 ti\u1ebft di\u1ec7n ngang c\u1ee7a c\u00e1c lo\u00e0i trong c\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh so v\u1edbi c\u00e1c lo\u00e0i kh\u00e1c l\u00e0 kh\u00e1c nhau r\u00f5 r\u1ec7t.<\/p>\n

+ C\u00f4ng th\u1ee9c t\u1ed5 th\u00e0nh theo ch\u1ec9 s\u1ed1 IV:<\/p>\n

25.08Dcat + 22.51Sen + 5.78Trnh + 5.14Thr + 3.51S\u0111 + 2.72Trv\u0111 + 2.30Vven + 2.24Trchua + 2.03Sao + 1.85Cay + 26,85Lk.<\/p>\n

– Ph\u00e2n b\u1ed1 s\u1ed1 c\u00e2y theo \u0111\u01b0\u1eddng k\u00ednh (n\/D1,3)<\/p>\n

n=e^(2.694248+0.01057D)<\/p>\n

3.3.3. K\u1ebft qu\u1ea3 g\u00e2y tr\u1ed3ng.<\/i><\/b><\/p>\n

B\u1ea3ng 5. T\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 sinh tr\u01b0\u1edfng D\u1ea7u c\u00e1t tr\u1ed3ng h\u1ed7n giao 13 tu\u1ed5i t\u1ea1i B\u00ecnh Ch\u00e2u Ph\u01b0\u1edbc B\u1eedu<\/p>\n\n\n\n\n\n\n\n\n\n
\n

Ch\u1ec9 ti\u00eau<\/p>\n<\/td>\n

\n

D1,3<\/p>\n<\/td>\n

\n

Hvn<\/p>\n<\/td>\n

\n

\u2206D1,3<\/p>\n<\/td>\n

\n

\u2206Hvn<\/p>\n<\/td>\n<\/tr>\n

Max<\/td>\n\n

6,4<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

0,5<\/p>\n<\/td>\n

\n

0,4<\/p>\n<\/td>\n<\/tr>\n

Min<\/td>\n\n

1<\/p>\n<\/td>\n

\n

1,5<\/p>\n<\/td>\n

\n

0,1<\/p>\n<\/td>\n

\n

0,1<\/p>\n<\/td>\n<\/tr>\n

TB<\/td>\n\n

2,4<\/p>\n<\/td>\n

\n

2,2<\/p>\n<\/td>\n

\n

0,2<\/p>\n<\/td>\n

\n

0,2<\/p>\n<\/td>\n<\/tr>\n

s<\/td>\n\n

1,021<\/p>\n<\/td>\n

\n

0,801<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
S%<\/td>\n\n

42,56<\/p>\n<\/td>\n

\n

36,42<\/p>\n<\/td>\n

<\/td>\n<\/td>\n<\/tr>\n
R<\/td>\n\n

5,4<\/p>\n<\/td>\n

\n

3,5<\/p>\n<\/td>\n

\n

0,4<\/p>\n<\/td>\n

\n

0,3<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1ef7 l\u1ec7 s\u1ed1ng 28,3%.<\/p>\n

M\u00f4 h\u00ecnh tr\u1ed3ng D\u1ea7u c\u00e1t 13 tu\u1ed5i t\u1ea1i Khu b\u1ea3o t\u1ed3n B\u00ecnh Ch\u00e2u Ph\u01b0\u1edbc B\u1eedu c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng th\u1ea5p (28,3%), sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao h\u1ea1n ch\u1ebf, sau 13 n\u0103m tr\u1ed3ng c\u00e2y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn nh\u1ea5t 6,4cm, chi\u1ec1u cao l\u1edbn nh\u1ea5t 5m trong khi v\u1eabn c\u00f2n c\u00f3 c\u00e2y \u0111\u01b0\u1eddng k\u00ednh ch\u1ec9 1cm, chi\u1ec1u cao 2,2m, th\u1ef1c t\u1ebf m\u1ed9t s\u1ed1 c\u00e2y d\u1ea1ng nh\u01b0 t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1ebfn ng\u00e0y nay c\u00f2n s\u1ee9c s\u1ed1ng y\u1ebfu. H\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng c\u0169ng nh\u01b0 ph\u1ea1m vi bi\u1ebfn \u0111\u1ed9ng hai ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng n\u00e0y cao, \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ea5y r\u00f5 trong th\u1ef1c t\u1ebf khi m\u1ed9t s\u1ed1 c\u00e2y c\u00f2n r\u1ea5t nh\u1ecf nh\u01b0 m\u1edbi \u0111\u01b0\u1ee3c tr\u1ed3ng. M\u00f4 h\u00ecnh D\u1ea7u c\u00e1t tr\u00ean sinh tr\u01b0\u1edfng k\u00e9m c\u00f3 th\u1ec3 b\u1ecb g\u00e2y ra b\u1edfi m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n sau: Ch\u00fang \u0111\u01b0\u1ee3c tr\u1ed3ng d\u01b0\u1edbi t\u00e1n r\u1eebng tr\u1ed3ng c\u00e2y m\u1ecdc nhanh (Keo l\u00e1 tr\u00e0m) 6 tu\u1ed5i, \u1edf tu\u1ed5i n\u00e0y r\u1eebng Keo l\u00e1 tr\u00e0m \u0111\u00e3 k\u00e9p t\u00e1n v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean \u0111\u1ebfn nay, tuy nhi\u00ean m\u1ed9t s\u1ed1 c\u00e2y Keo l\u00e1 tr\u00e0m b\u1ecb ch\u1eb7t tr\u1ed9m ng\u1ea3 \u0111\u1ed5 \u0111\u00e8 l\u00ean c\u00e1c lo\u00e0i tr\u1ed3ng h\u1ed7n giao d\u01b0\u1edbi t\u00e1n (D\u1ea7u c\u00e1t, Sao \u0111en, V\u00ean v\u00ean, G\u00f5 m\u1eadt) d\u1eabn t\u1edbi nhi\u1ec1u c\u00e2y b\u1ecb g\u1eaby, t\u00e1i sinh ch\u1ed3i tr\u1edf l\u1ea1i. Ngo\u00e0i ra khu \u0111\u1ea5t tr\u1ed3ng n\u00e0y giao kho\u00e1n cho ng\u01b0\u1eddi d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng nh\u1eadn b\u1ea3o v\u1ec7, vi\u1ec7c ch\u0103m s\u00f3c ph\u00f2ng ch\u00e1y r\u1eebng kh\u00f4ng t\u1ed1t n\u00ean h\u1ea7u nh\u01b0 n\u0103m n\u00e0o c\u0169ng x\u1ea3y ra ch\u00e1y r\u1eebng d\u1eabn t\u1edbi c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng b\u1ed5 sung trong \u0111\u00f3 c\u00f3 D\u1ea7u c\u00e1t ch\u1ebft, sau \u0111\u00f3 t\u00e1i sinh, vi\u1ec7c n\u00e0y l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n n\u00ean h\u1ea7u h\u1ebft c\u00e1c c\u00e2y D\u1ea7u hi\u1ec7n t\u1ea1i \u0111\u1ec1u l\u00e0 c\u00e2y t\u00e1i sinh ch\u1ed3i g\u1ed1c t\u1eeb s\u00e1t \u0111\u1ea5t.<\/p>\n

IV. K\u1ebeT LU\u1eacN V\u00c0 KI\u1ebeN NGH\u1eca<\/p>\n

4.1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>K\u1ebft lu\u1eadn<\/b><\/p>\n

Trong ba lo\u00e0i nghi\u00ean c\u1ee9u tr\u00ean ch\u1ec9 lo\u00e0i D\u1ea7u c\u00e1t ph\u00e2n b\u1ed1 t\u1eadp trung, ch\u00fang xu\u1ea5t hi\u1ec7n kh\u00e1 nhi\u1ec1u trong \u00f4 \u0111i\u1ec1u tra, c\u00f2n \u0111\u1ed1i v\u1edbi hai lo\u00e0i L\u00f2 bo, Xoan m\u1ed9c kh\u00f4ng chi\u1ebfm \u01b0u th\u1ebf trong l\u00e2m ph\u1ea7n.<\/p>\n

Ph\u00e2n b\u1ed1 s\u1ed1 c\u00e2y theo \u0111\u01b0\u1eddng k\u00ednh l\u00e0 ph\u00e2n b\u1ed1 gi\u1ea3m, \u0111i\u1ec1u n\u00e0y ph\u1ea3n \u00e1nh c\u00f3 nhi\u1ec1u th\u1ebf h\u1ec7 c\u00f9ng t\u1ed3n t\u1ea1i v\u00e0 qu\u00e1 tr\u00ecnh \u0111\u00e0o th\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi t\u1ef1 nhi\u00ean,<\/p>\n

C\u00e1c m\u00f4 h\u00ecnh nghi\u00ean c\u1ee9u cho 3 lo\u00e0i Xoan m\u1ed9c, D\u1ea7u c\u00e1t, v\u00e0 L\u00f2 bo r\u1ea5t h\u1ea1n ch\u1ebf v\u1ec1 quy m\u00f4 di\u1ec7n t\u00edch, ph\u01b0\u01a1ng th\u1ee9c \u0111\u00e3 s\u1eed d\u1ee5ng c\u0169ng nh\u01b0 bi\u1ec7n ph\u00e1p t\u00e1c \u0111\u1ed9ng, t\u1ef7 l\u1ec7 s\u1ed1ng th\u1ea5p, L\u00f2 bo t\u1ea1i H\u01b0\u01a1ng V\u00e2n \u0111\u1ea1t 66,6%; Xoan m\u1ed9c 38%; 37%; 23,7%; D\u1ea7u c\u00e1t 28%<\/p>\n

Sinh tr\u01b0\u1edfng v\u1ec1 hai ch\u1ec9 ti\u00eau quan tr\u1ecdng nh\u1ea5t \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao th\u1ea5p Xoan m\u1ed9c tr\u1ed3ng t\u1ea1i V\u01b0\u1eddn th\u1ef1c v\u1eadt C\u00fac Ph\u01b0\u01a1ng v\u1edbi ch\u1ec9 s\u1ed1 trung b\u00ecnh 0,8cm\/n\u0103m, 0,4m\/n\u0103m; \u0111\u00e2y c\u0169ng l\u00e0 n\u01a1i c\u00f3 \u0111i\u1ec1u ki\u1ec7n ch\u0103m s\u00f3c t\u1ed1t nh\u1ea5t, quy m\u00f4 nh\u1ea5t.<\/p>\n

 <\/p>\n

4.2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>Ki\u1ebfn ngh\u1ecb<\/b><\/p>\n

C\u1ea7n c\u00f3 nhi\u1ec1u m\u00f4 h\u00ecnh nghi\u00ean c\u1ee9u s\u00e2u th\u00eam v\u1ec1 ba lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba n\u00e0y \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft qu\u1ea3 kh\u00e1i qu\u00e1t h\u01a1n.<\/p>\n

C\u00e1c m\u00f4 h\u00ecnh c\u1ea7n quan t\u00e2m \u0111\u1ea7u t\u01b0 ch\u0103m s\u00f3c, ph\u00e1t d\u1ecdn, ph\u00f2ng ch\u1ed1ng ch\u00e1y t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng; \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00f4 h\u00ecnh D\u1ea7u r\u00e1i t\u1ea1i Khu b\u1ea3o t\u1ed3n B\u00ecnh Ch\u00e2u Ph\u01b0\u1edbc B\u1eedu.<\/p>\n","protected":false},"excerpt":{"rendered":"

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0. L\u00f2 bo, Xoan m\u1ed9c, D\u1ea7u c\u00e1t l\u00e0 ba lo\u00e0i c\u00e2y g\u1ed7 l\u1edbn b\u1ea3n \u0111\u1ecba c\u00f3 gi\u00e1 tr\u1ecb m\u1ecdc r\u1ea3i r\u00e1c trong c\u00e1c khu r\u1eebng t\u1ef1 nhi\u00ean n\u01b0\u1edbc ta. \u0110\u1ed1i v\u1edbi lo\u00e0i Xoan m\u1ed9c kh\u1ea3 n\u0103ng ph\u00e2n b\u1ed1 t\u1ef1 nhi\u00ean t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng t\u1ea1i T\u00e2y Nguy\u00ean, v\u00e0 m\u1ed9t s\u1ed1 t\u1ec9nh ph\u00eda b\u1eafc […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13052"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=13052"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13052\/revisions"}],"predecessor-version":[{"id":13056,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13052\/revisions\/13056"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}