{"id":14126,"date":"2015-01-14T11:02:19","date_gmt":"2015-01-14T04:02:19","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=14126"},"modified":"2015-01-09T11:21:01","modified_gmt":"2015-01-09T04:21:01","slug":"bao-cao-ket-qua-nghien-cuu-de-tai-nghien-cuu-phong-tru-moi-gay-hai-bach-dan-keo-tai-mot-so-vung-trong-diem","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-ket-qua-nghien-cuu-de-tai-nghien-cuu-phong-tru-moi-gay-hai-bach-dan-keo-tai-mot-so-vung-trong-diem\/","title":{"rendered":"B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u ph\u00f2ng tr\u1eeb m\u1ed1i g\u00e2y h\u1ea1i b\u1ea1ch \u0111\u00e0n, keo t\u1ea1i m\u1ed9t s\u1ed1 v\u00f9ng tr\u1ecdng \u0111i\u1ec3m"},"content":{"rendered":"

PGS.TS. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc<\/em><\/p>\n

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1\/M\u1ede \u0110\u1ea6U<\/b><\/p>\n

B\u1ea1ch \u0111\u00e0n v\u00e0 keo l\u00e0 c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c c\u1ee7a nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam. Trong qu\u00e1 tr\u00ecnh g\u00e2y tr\u1ed3ng, b\u1ea1ch \u0111\u00e0n v\u00e0 keo b\u1ecb r\u1ea5t nhi\u1ec1u lo\u00e0i c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i. M\u1ed1i l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f4n tr\u00f9ng c\u00f3 th\u1ec3 g\u00e2y ch\u1ebft h\u00e0ng lo\u1ea1t \u0111\u1ed1i v\u1edbi c\u00e2y con, th\u1eadm ch\u00ed g\u00e2y ch\u1ebft \u0111\u1ed1i v\u1edbi c\u00e2y tr\u01b0\u1edfng th\u00e0nh kho\u1ebb m\u1ea1nh c\u1ee7a r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo.<\/p>\n

Do m\u1ed1i h\u1ebft s\u1ee9c \u0111a d\u1ea1ng v\u1ec1 th\u00e0nh ph\u1ea7n lo\u00e0i, n\u00ean t\u1ea1i m\u1ed7i v\u00f9ng \u0111\u1ecba l\u00fd, ch\u1ee7ng lo\u1ea1i m\u1ed1i g\u00e2y h\u1ea1i b\u1ea1ch \u0111\u00e0n v\u00e0 keo r\u1ea5t kh\u00e1c nhau d\u1eabn \u0111\u1ebfn c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m g\u00e2y h\u1ea1i c\u1ee7a ch\u00fang c\u00f3 nhi\u1ec1u kh\u00e1c bi\u1ec7t. \u1ede Nam M\u1ef9, c\u00e1c lo\u00e0i m\u1ed1i g\u00e2y h\u1ea1i ch\u1ee7 y\u1ebfu thu\u1ed9c c\u00e1c gi\u1ed1ng Syntermes, Procormitermes,<\/i> Cornitermes<\/i> v\u00e0 Heterotermes<\/i>. Lo\u00e0i m\u1ed1i g\u00e2y h\u1ea1i m\u1ea1nh nh\u1ea5t l\u00e0 Syntermes nanus<\/i>, v\u1edbi kh\u1ea3 n\u0103ng g\u00e2y ch\u1ebft t\u1edbi 70% c\u00e2y b\u1ea1ch \u0111\u00e0n non t\u1ea1i m\u1ed9t s\u1ed1 v\u00f9ng.\u00a0 \u1ede Australia, h\u1ea7u h\u1ebft c\u00e1c di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng keo ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ec3 ph\u00f2ng c\u00e1c lo\u00e0i m\u1ed1i thu\u1ed1c gi\u1ed1ng Mastotermes<\/i> t\u1ea5n c\u00f4ng. T\u1ea1i khu v\u1ef1c \u0110\u00f4ng Nam \u00c1, lo\u00e0i m\u1ed1i Coptotermes curvignathus<\/i> g\u00e2y h\u1ea1i n\u1eb7ng l\u00e0 b\u1ea1ch \u0111\u00e0n, keo, th\u00f4ng v\u00e0 cao su.<\/p>\n

N\u01b0\u1edbc ta n\u1eb1m trong khu v\u1ef1c kh\u00ed h\u1eadu nhi\u1ec7t \u0111\u1edbi, n\u00ean th\u00e0nh ph\u1ea7n lo\u00e0i m\u1ed1i r\u1ea5t phong ph\u00fa. Tuy nhi\u00ean, c\u00e1c c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 ph\u00f2ng tr\u1eeb m\u1ed1i t\u1eadp trung ch\u1ee7 y\u1ebfu v\u00e0o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng b\u1ecb h\u1ea1i l\u00e0 c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 \u0111\u00ea \u0111\u1eadp. \u0110\u1ed1i v\u1edbi c\u00e2y tr\u1ed3ng, ch\u01b0a c\u00f3 nhi\u1ec1u c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u s\u00e2u v\u1ec1 m\u1ed1i g\u00e2y h\u1ea1i c\u00e2y r\u1eebng tr\u1ed3ng v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb.<\/p>\n

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

2. N\u1ed8I DUNG NGHI\u00caN C\u1ee8U\u00a0 TH\u1ef0C HI\u1ec6N T\u1eea 2009 \u2013 2010<\/b><\/p>\n

1. Thu th\u1eadp t\u1ed5ng h\u1ee3p t\u00e0i li\u1ec7u v\u1ec1 m\u1ed1i g\u00e2y h\u1ea1i r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n, keo v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb.<\/p>\n

2. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n lo\u00e0i m\u1ed1i v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m g\u00e2y h\u1ea1i ch\u1ee7 y\u1ebfu c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo t\u1ea1i 3 v\u00f9ng tr\u1ed3ng r\u1eebng tr\u1ecdng \u0111i\u1ec3m.<\/p>\n

2.1. Thu th\u1eadp m\u1eabu m\u1ed1i \u1edf 3 v\u00f9ng tr\u1ecdng \u0111i\u1ec3m tr\u1ed3ng r\u1eebng b\u1ea1ch \u0111\u00e0n v\u00e0 keo<\/p>\n

2.2. \u0110\u1ecbnh lo\u1ea1i m\u1eabu m\u1ed1i \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u00ean lo\u00e0i m\u1ed1i<\/p>\n

2.3. Nghi\u00ean c\u1ee9u c\u00e1c h\u00ecnh th\u1ee9c v\u00e0 m\u1ee9c \u0111\u1ed9 g\u00e2y h\u1ea1i c\u1ee7a m\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n v\u00e0 keo<\/p>\n

3. Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc, sinh th\u00e1i h\u1ecdc c\u1ee7a c\u00e1c lo\u00e0i m\u1ed1i<\/p>\n

4. Tuy\u1ec3n ch\u1ecdn ch\u1ebf ph\u1ea9m c\u00f3 hi\u1ec7u l\u1ef1c ph\u00f2ng tr\u1eeb m\u1ed1i \u0111\u01b0\u1ee3c ph\u00e9p l\u01b0u h\u00e0nh \u1edf Vi\u1ec7t Nam \u0111\u1ec3 th\u1eed nghi\u1ec7m v\u1edbi c\u00e1c lo\u00e0i m\u1ed1i ch\u1ee7 y\u1ebfu g\u00e2y h\u1ea1i b\u1ea1ch \u0111\u00e0n v\u00e0 keo<\/p>\n

5. Nghi\u00ean c\u1ee9u, \u0111\u1ec1 xu\u1ea5t bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p m\u1ed1i g\u00e2y h\u1ea1i b\u1ea1ch \u0111\u00e0n v\u00e0 keo: Nghi\u00ean c\u1ee9u bi\u1ec7n ph\u00e1p t\u1ed5ng h\u1ee3p (k\u1ebft h\u1ee3p gi\u1eefa bi\u1ec7n ph\u00e1p l\u00e2m sinh + bi\u1ec7n ph\u00e1p sinh h\u1ecdc + bi\u1ec7n ph\u00e1p ho\u00e1 h\u1ecdc) \u0111\u1ec3 ph\u00f2ng tr\u1eeb m\u1ed1i cho r\u1eebng b\u1ea1ch \u0111\u00e0n v\u00e0 keo m\u1edbi tr\u1ed3ng.<\/p>\n

3. PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/b><\/p>\n

3.1<\/b>. <\/b>Thu th\u1eadp t\u1ed5ng h\u1ee3p t\u00e0i li\u1ec7u v\u1ec1 m\u1ed1i g\u00e2y h\u1ea1i r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n, keo v\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb: s\u01b0u t\u1ea7m t\u00e0i li\u1ec7u khoa h\u1ecdc c\u00f3 li\u00ean quan t\u1eeb c\u00e1c ngu\u1ed3n l\u01b0u tr\u0169 v\u00e0 tr\u00ean m\u1ea1ng.<\/b><\/p>\n

3.2. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n lo\u00e0i m\u1ed1i g\u00e2y h\u1ea1i ch\u1ee7 y\u1ebfu c\u1ee7a m\u1ed1i \u0111\u1ed1i v\u1edbi r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo t\u1ea1i 3 v\u00f9ng tr\u1ecdng \u0111i\u1ec3m<\/p>\n

+ Thu th\u1eadp m\u1eabu m\u1ed1i: M\u1eabu m\u1ed1i \u0111\u01b0\u1ee3c thu th\u1eadp tr\u00ean \u00f4 ti\u00eau chu\u1ea9n \u0111\u1ecbnh v\u1ecb: 5 \u00f4\/ha, \u0111\u1ea1i di\u1ec7n t\u1ea1i c\u00e1c v\u1ecb tr\u00ed ch\u00e2n, s\u01b0\u1eddn, \u0111\u1ec9nh c\u1ee7a r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo, theo \u0111\u01b0\u1eddng ch\u00e9o g\u00f3c, ch\u1eef chi ho\u1eb7c song song. \u00a0K\u00edch th\u01b0\u1edbc \u00f4 10 x 20 m, \u0111\u1ea9m b\u1ea3o m\u1ed7i \u00f4 c\u00f3 30 c\u00e2y. Thu th\u1eadp m\u1eabu v\u00e0 \u0111\u00e2nhs gi\u00e1 v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 m\u00fac \u0111\u1ed9 m\u1ed1i g\u00e2y h\u1ea1i keo v\u00e0 b\u1ea1ch \u0111\u00e0n \u1edf r\u00f9ng tr\u1ed3ng 1 tu\u1ed5i, 2 tu\u1ed5i v\u00e0 3 tu\u1ed5i.<\/p>\n

+ Ph\u00e2n t\u00edch m\u1eabu m\u1ed1i: C\u00e1c m\u1eabu m\u1ed1i \u0111\u01b0\u1ee3c ng\u00e2m trong l\u1ecd \u0111\u1ef1ng m\u1eabu c\u00f3 ch\u1ee9a c\u1ed3n \u0111\u01b0a sang Vi\u1ec7n Khoa h\u1ecdc Th\u1ee7y l\u1ee3i \u0111\u1ec3 \u0111\u1ecbnh lo\u1ea1i.<\/p>\n

+ \u0110\u1ecbnh lo\u1ea1i theo kho\u00e1 ph\u00e2n lo\u1ea1i.<\/p>\n

– \u0110\u1eb7c \u0111i\u1ec3m g\u00e2y h\u1ea1i: Thu th\u1eadp s\u1ed1 li\u1ec7u v\u1ec1 c\u00e1ch th\u1ee9c, t\u1ef7 l\u1ec7 v\u00e0 m\u1ee9c \u0111\u1ed9 g\u00e2y h\u1ea1i c\u1ee7a m\u1ed1i:<\/p>\n

3.3.Tuy\u1ec3n ch\u1ecdn c\u00e1c ch\u1ebf ph\u1ea9m c\u00f3 hi\u1ec7u l\u1ef1c ph\u00f2ng tr\u1eeb m\u1ed1i<\/p>\n

– Quy m\u00f4 kh\u1ea3o nghi\u1ec7m di\u1ec7n h\u1eb9p, th\u1eed tr\u1ef1c ti\u1ebfp trong \u0111\u0129a Petri k\u00edch th\u01b0\u1edbc 60 x 15mm theo ph\u01b0\u01a1ng ph\u00e1p Kentazo suzuki.\u00a0 Kh\u1ea3o nghi\u1ec7m di\u1ec7n r\u1ed9ng tr\u00ean hi\u1ec7n tr\u01b0\u1eddng th\u1ef1c t\u1ebf.<\/p>\n

– 10 lo\u1ea1i ch\u1ebf ph\u1ea9m: Dimez, Metavina 10DP, Metavina 90DP, Mythic 240SC, Lenfos 50EC, Lentrek 40EC, Baktop 15MC, Termidor 25EC, PMC 90, Mapsedan 48EC.<\/p>\n

3.4. Nghi\u00ean c\u1ee9u bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p m\u1ed1i g\u00e2y h\u1ea1i b\u1ea1ch \u0111\u00e0n v\u00e0 keo: B\u1ed1 tr\u00ed c\u00e1c \u00f4 th\u00ed nghi\u1ec7m (di\u1ec7n t\u00edch 100m2<\/sup> – t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 16 c\u00e2y), m\u1ed7i \u00f4 th\u00ed nghi\u1ec7m t\u00e1c \u0111\u1ed9ng ri\u00eang l\u1ebb t\u1eebng bi\u1ec7n ph\u00e1p, th\u00ed nghi\u1ec7m l\u1eb7p l\u1ea1i 3 l\u1ea7n.<\/p>\n

4. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U<\/b><\/p>\n

4.1 Th\u00e0nh ph\u1ea7n lo\u00e0i m\u1ed1i t\u1ea1i\u00a0 r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo <\/b><\/p>\n

Trong th\u1eddi gian \u0111i\u1ec1u tra kh\u1ea3o s\u00e1t ch\u00fang t\u00f4i t\u1eadp trung v\u00e0o 3 v\u00f9ng ch\u1ee7 y\u1ebfu tr\u1ed3ng r\u1eebng b\u1ea1ch \u0111\u00e0n Uro v\u00e0 keo lai t\u1ea1i v\u00f9ng \u0110\u00f4ng B\u1eafc,T\u00e2y B\u1eafc -Trung t\u00e2m v\u00e0 v\u00f9ng T\u00e2y Nguy\u00ean \u0111\u00e3 thu \u0111\u01b0\u1ee3c 310 m\u1eabu m\u1ed1i v\u00e0o hai m\u00f9a kh\u00f4 v\u00e0 m\u00f9a m\u01b0a. K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch \u0111\u00e3\u00a0 s\u01a1 b\u1ed9 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 17 lo\u00e0i m\u1ed1i, thu\u1ed9c 9 gi\u1ed1ng v\u00e0 2 h\u1ecd m\u1ed1i (b\u1ea3ng 3.1).<\/p>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n<\/div>\n


<\/b><\/p>\n

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B\u1ea3ng 4.1: K\u1ebft qu\u1ea3 \u0111\u1ecbnh lo\u1ea1i m\u1eabu m\u1ed1i (Isoptera<\/i>)<\/b><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
STT<\/b><\/td>\nT\u00ean lo\u00e0i<\/b><\/td>\nGi\u1ed1ng<\/b><\/td>\nPh\u00e2n h\u1ecd<\/b><\/td>\nH\u1ecd<\/b><\/td>\n<\/tr>\n
1<\/td>\nHypotermes makhamensis<\/i><\/td>\nHypotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
\n

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

\n

Hypotermes obscuricep<\/i><\/p>\n<\/td>\n

Hypotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
3<\/td>\nOdontotermes maesodensis<\/i><\/td>\nOdontotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
4<\/td>\nOdontotermes angustignathus<\/i><\/td>\nOdontotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
5<\/td>\nOdontotermes ceylonicus<\/i><\/td>\nOdontotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
6<\/td>\nMacrotermes carbonarius<\/i><\/td>\nMacrotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
7<\/td>\nMacrotermes malaccensis<\/i><\/td>\nMacrotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
8<\/td>\nMacrotermes gilvus<\/i><\/td>\nMacrotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
9<\/td>\nMacrotermes annadalei<\/i><\/td>\nMacrotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
10<\/td>\nMacrotermes barneyi<\/i><\/td>\nMacrotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
11<\/td>\nMicrotermes pakistanicus<\/i><\/td>\nMicrotermes<\/i><\/td>\nMacrotermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
12<\/td>\nCoptotermes formosanus<\/i><\/td>\nCoptotermes<\/i><\/td>\nRhinotermitinae<\/i><\/td>\nRhinotermitidae<\/i><\/td>\n<\/tr>\n
13<\/td>\nSchedorhinotermes javanicus<\/i><\/td>\nSchedorhinotermes<\/i><\/td>\nRhinotermitinae<\/i><\/td>\nRhinotermitidae<\/i><\/td>\n<\/tr>\n
14<\/td>\nMicrocerotermes bugnioni<\/i><\/td>\nMicrocerotermes <\/i><\/td>\nAmitermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
15<\/td>\nPericapritermes latignathus<\/i><\/td>\nPericapritermes<\/i><\/td>\nTermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
16<\/td>\nPericapritermes latignathus<\/i><\/td>\nPericapritermes<\/i><\/td>\nTermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n
17<\/td>\nProcapritermes garthawaitei<\/i><\/td>\nProcapritermes<\/i><\/td>\nTermitinae<\/i><\/td>\nTermitidae<\/i><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

 <\/p>\n<\/div>\n

 <\/p>\n

K\u1ebft qu\u1ea3 \u1edf b\u1ea3ng 4.1 cho th\u1ea5y trong c\u00e1c gi\u1ed1ng m\u1ed1i thu \u0111\u01b0\u1ee3c, gi\u1ed1ng Macrotermes<\/i> c\u00f3 nhi\u1ec1u lo\u00e0i nh\u1ea5t (5 lo\u00e0i), ti\u1ebfp theo l\u00e0 Odontotermes<\/i> 3 lo\u00e0i; Hypotermes,\u00a0 Pericapritermes <\/i>\u0111\u1ec1u c\u00f3 2 lo\u00e0i, Coptotermes,<\/i> Schedorhinotermes, Microtermes, Microcerotermes, Procapritermes <\/i>\u0111\u1ec1u c\u00f3 1 lo\u00e0i.<\/p>\n

Khi ph\u00e2n t\u00edch theo s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a lo\u00e0i ch\u00fang t\u00f4i nh\u1ea5n th\u1ea5y c\u00f3 nh\u1eefng lo\u00e0i ph\u00e2n b\u1ed1 r\u1ed9ng (c\u1ea3 ba v\u00f9ng) nh\u01b0 Macrotermes (Ma.) malaccensis, <\/i>nh\u01b0ng c\u0169ng c\u00f3 lo\u00e0i ch\u1ec9 b\u1eaft g\u1eb7p ch\u00fang ph\u00e2n b\u1ed1 \u1edf t\u1eebng v\u00f9ng nh\u01b0 lo\u00e0i Hypotermes makhamensis<\/i>, Macrotermes maesodensis<\/i> th\u01b0\u1eddng g\u1eb7p \u1edf 2 v\u00f9ng ngo\u00e0i mi\u1ec1n B\u1eafc nh\u01b0ng kh\u00f4ng g\u1eb7p \u1edf v\u00f9ng T\u00e2y Nguy\u00ean, trong khi \u0111\u00f3 Odontotermes maesodensis, Odontotermes angustignathus, Microcerotermes bugnioni, Pericapritermes latignathus <\/i>ch\u1ec9 g\u1eb7p \u1edf T\u00e2y Nguy\u00ean nh\u01b0ng ch\u01b0a g\u1eb7p \u1edf 2 v\u00f9ng ngo\u00e0i Mi\u1ec1n B\u1eafc. <\/i><\/p>\n

\u00a0<\/b><\/p>\n

4.2. \u0110\u1eb7c \u0111i\u1ec3m g\u00e2y h\u1ea1i c\u1ee7a m\u1ed1i \u0111\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n Urophylla <\/i>\u00a0v\u00e0 keo lai t\u1ea1i 3 v\u00f9ng tr\u1ed3ng r\u1eebng tr\u1ecdng \u0111i\u1ec3m.<\/b><\/p>\n

B\u1ea3ng 4.2: T\u1ef7 l\u1ec7 c\u00e2y b\u1ecb m\u1ed1i v\u00e0 ch\u1ec9 s\u1ed1 b\u1ecb h\u1ea1i \u0111\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n Uro, keo lai <\/b><\/p>\n

t\u1ea1i khu v\u1ef1c kh\u1ea3o s\u00e1t<\/b><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Lo\u1ea1i c\u00e2y<\/b><\/td>\nV\u00f9ng nghi\u00ean c\u1ee9u<\/b><\/td>\n\u0110\u1ed1i t\u01b0\u1ee3ng c\u00e2y<\/b><\/td>\nT\u1ef7 l\u1ec7 b\u1ecb h\u1ea1i (%)<\/b><\/td>\n\n

Ch\u1ec9 s\u1ed1 h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n

B\u1ea1ch \u0111\u00e0n uro<\/td>\nB\u1eafc Giang (\u0110\u00f4ng B\u1eafc)<\/td>\nD\u01b0\u1edbi 1 tu\u1ed5i<\/td>\n\n

16,85<\/b><\/p>\n<\/td>\n

\n

0,11<\/b><\/p>\n<\/td>\n<\/tr>\n

1-3 tu\u1ed5i<\/td>\n\n

12,96<\/p>\n<\/td>\n

\n

0,05<\/p>\n<\/td>\n<\/tr>\n

H\u00f2a B\u00ecnh (T\u00e2y B\u1eafc)<\/td>\nD\u01b0\u1edbi 1 tu\u1ed5i<\/td>\n\n

28.89<\/b><\/p>\n<\/td>\n

\n

0.09<\/b><\/p>\n<\/td>\n<\/tr>\n

1-3 tu\u1ed5i<\/td>\n\n

12,96<\/p>\n<\/td>\n

\n

0,05<\/p>\n<\/td>\n<\/tr>\n

T\u00e2y Nguy\u00ean<\/td>\nD\u01b0\u1edbi 1 tu\u1ed5i<\/td>\n\n

29,44<\/b><\/p>\n<\/td>\n

\n

0,11<\/b><\/p>\n<\/td>\n<\/tr>\n

1-3 tu\u1ed5i<\/td>\n\n

19,81<\/p>\n<\/td>\n

\n

0,08<\/p>\n<\/td>\n<\/tr>\n

Keo lai<\/td>\nPh\u00fac T\u00e2n, Xu\u00e2n \u0110\u00e0i (\u0110\u00f4ng B\u1eafc)<\/td>\nD\u01b0\u1edbi 1 tu\u1ed5i<\/td>\n\n

7,78<\/p>\n<\/td>\n

\n

0,04<\/p>\n<\/td>\n<\/tr>\n

1-3 tu\u1ed5i<\/td>\n\n

17,78<\/p>\n<\/td>\n

\n

0,11<\/p>\n<\/td>\n<\/tr>\n

H\u00f2a B\u00ecnh(T\u00e2y B\u1eafc)<\/td>\nD\u01b0\u1edbi 1 tu\u1ed5i<\/td>\n\n

20<\/b><\/p>\n<\/td>\n

\n

0.11<\/b><\/p>\n<\/td>\n<\/tr>\n

1-3 tu\u1ed5i<\/td>\n\n

6,85<\/p>\n<\/td>\n

\n

0,03<\/p>\n<\/td>\n<\/tr>\n

T\u00e2y Nguy\u00ean<\/td>\nD\u01b0\u1edbi 1 tu\u1ed5i<\/td>\n\n

21.48<\/b><\/p>\n<\/td>\n

\n

0.14<\/b><\/p>\n<\/td>\n<\/tr>\n

1-3 tu\u1ed5i<\/td>\n\n

6,11<\/p>\n<\/td>\n

\n

0,03<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Qua b\u1ea3ng\u00a0 4.2 cho th\u1ea5y t\u1ef7 l\u1ec7 m\u1ed1i x\u00e2m h\u1ea1i c\u00e2y B\u1ea1ch \u0111\u00e0n Uro, Keo lai m\u1ea1nh nh\u1ea5t \u1edf n\u0103m th\u1ee9 nh\u1ea5t, sang n\u0103m th\u1ee9 2, n\u0103m th\u1ee9 3 th\u00ec c\u00f3 d\u1ea5u hi\u1ec7u gi\u1ea3m h\u1eb3n. M\u1eb7c d\u00f9 t\u1ef7 l\u1ec7 c\u00e2y b\u1ecb m\u1ed1i x\u00e2m nh\u1eadp cao, nh\u01b0ng s\u1ed1 l\u01b0\u1ee3ng c\u00e2y b\u1ecb m\u1ed1i g\u00e2y ch\u1ebft ch\u1ee7 y\u1ebfu l\u00e0 c\u00e2y d\u01b0\u1edbi 1 n\u0103m tu\u1ed5i, do \u0111\u00f3 ch\u1ec9 s\u1ed1 h\u1ea1i \u1edf c\u00e2y d\u01b0\u1edbi 1 tu\u1ed5i l\u1edbn h\u01a1n so v\u1edbi c\u00e2y 1-3 tu\u1ed5i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch do c\u00e2y d\u01b0\u1edbi 1 tu\u1ed5i c\u00f2n\u00a0 non, ph\u1ea7n v\u1ecf r\u1ea5t m\u1ecfng, s\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u1ee7a c\u00e2y y\u1ebfu, do \u0111\u00f3 m\u1ed1i r\u1ea5t d\u1ec5 d\u00e0ng t\u1ea5n c\u00f4ng c\u1eafn \u0111\u1ee9t ngang th\u00e2n c\u00e2y. Sang n\u0103m th\u1ee9 2 v\u00e0 th\u1ee9 3 tr\u1edf \u0111i, c\u00e2y \u0111\u00e3 sinh tr\u01b0\u1edfng t\u1ed1t, ph\u1ea7n v\u1ecf c\u00e2y \u0111\u00e3 tr\u1edf n\u00ean d\u1ea7y h\u01a1n, c\u1ee9ng h\u01a1n, th\u1eadm ch\u00ed l\u01b0\u1ee3ng tanin trong v\u1ecf c\u00e2y c\u0169ng t\u0103ng l\u00ean kh\u00f4ng h\u1ea5p d\u1eabn m\u1ed1i. M\u1ed1i chuy\u1ec3n sang khai th\u00e1c th\u1ee9c \u0103n t\u1eeb nh\u1eefng c\u00e0nh kh\u00f4, l\u00e1 r\u1ee5ng, g\u1ed1c c\u00e2y c\u1ee7a lu\u00e2n k\u1ef3 tr\u01b0\u1edbc c\u00f2n \u0111\u1ec3 l\u1ea1i \u0111\u00e3 b\u1ecb m\u1ee5c \u1ea3i, do v\u1eady t\u1ef7 l\u1ec7 c\u00e2y \u1edf tu\u1ed5i 2, 3 b\u1ecb m\u1ed1i x\u00e2m h\u1ea1i c\u0169ng \u00edt \u0111i. Tuy nhi\u00ean, ri\u00eang \u1edf v\u00f9ng Xu\u00e2n \u0110\u00e0i ( \u0110\u00f4ng B\u1eafc) c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi c\u00e1c v\u00f9ng kh\u00e1c, c\u00e2y 2, 3 tu\u1ed5i l\u1ea1i b\u1ecb m\u1ed1i g\u00e2y h\u1ea1i nhi\u1ec1u h\u01a1n so v\u1edbi c\u00e2y d\u01b0\u1edbi 1 tu\u1ed5i v\u00e0 c\u00e2y th\u01b0\u1eddng b\u1ecb m\u1ed1i g\u00e2y h\u1ea1i theo \u0111\u00e1m v\u00e0 t\u1eadp trung \u1edf m\u1ed9t s\u1ed1 l\u00f4 tr\u1ed3ng r\u1eebng nh\u1ea5t \u0111\u1ecbnh. \u0110i\u1ec1u n\u00e0y ch\u00fang t\u00f4i c\u1ea7n nghi\u00ean c\u1ee9u th\u00eam \u0111\u1ec3 \u0111\u01b0a ra l\u1eddi gi\u1ea3i th\u00edch.<\/p>\n

\u00a0<\/b><\/p>\n

4.3. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb m\u1ed1i h\u1ea1i b\u1ea1ch \u0111\u00e0n, keo<\/b><\/p>\n

B\u1ea3ng 4.3: Th\u1eed nghi\u1ec7m thu\u1ed1c h\u00f3a h\u1ecdc \u0111\u1ec3 di\u1ec7t m\u1ed1i h\u1ea1i r\u1eebng tr\u1ed3ng keo, b\u1ea1ch \u0111\u00e0n<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\n\n

TT<\/p>\n<\/td>\n

\n

T\u1ef7 l\u1ec7 (%) c\u00e2y b\u1ecb m\u1ed1i sau 3 th\u00e1ng<\/p>\n<\/td>\n<\/tr>\n

\n

V\u00f9ng \u0110\u00f4ng B\u1eafc<\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/p>\n<\/td>\n

\n

V\u00f9ng T\u00e2y B\u1eafc<\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/p>\n<\/td>\n

\n

V\u00f9ng T\u00e2y Nguy\u00ean<\/p>\n<\/td>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/p>\n<\/td>\n<\/tr>\n

\n

M\u1ed1i h\u1ea1i keo<\/p>\n<\/td>\n

\n

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

\n

8,33<\/p>\n<\/td>\n

\n

27,08<\/p>\n<\/td>\n

\n

10,42<\/p>\n<\/td>\n

\n

31,25<\/p>\n<\/td>\n

\n

12,5<\/p>\n<\/td>\n

\n

35,42<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

4,17<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

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

\n

4,17<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

8,33<\/p>\n<\/td>\n

\n

8,33<\/p>\n<\/td>\n

\n

10,42<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

4,17<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

2,08<\/p>\n<\/td>\n

\n

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

\n

4,17<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

6,25<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n

\n

8,33<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

4,17<\/p>\n<\/td>\n

\n

2,08<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

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

\n

4,17<\/p>\n<\/td>\n<\/tr>\n

\n

Mapsedan<\/p>\n<\/td>\n

\n

14,58<\/p>\n<\/td>\n

\n

16,67<\/p>\n<\/td>\n

\n

14,58<\/p>\n<\/td>\n<\/tr>\n

\n

PMC<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n

\n

8,33<\/p>\n<\/td>\n

\n

10,42<\/p>\n<\/td>\n<\/tr>\n

\n

M\u1ed1i h\u1ea1i b\u1ea1ch \u0111\u00e0n<\/p>\n<\/td>\n

\n

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

\n

6,25<\/p>\n<\/td>\n

\n

22,92<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n

\n

25,00<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n

\n

31,25<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

4,17<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

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

\n

4,17<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

8,33<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

6,25<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

2,08<\/p>\n<\/td>\n

\n

2,08<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

8,33<\/p>\n<\/td>\n

\n

8,33<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

2,08<\/p>\n<\/td>\n

\n

2,08<\/p>\n<\/td>\n

\n

2,08<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

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

\n

2,08<\/p>\n<\/td>\n<\/tr>\n

\n

Mapsedan<\/p>\n<\/td>\n

\n

8,33<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n

\n

12,5<\/p>\n<\/td>\n<\/tr>\n

\n

PMC<\/p>\n<\/td>\n

\n

6,25<\/p>\n<\/td>\n

\n

2,08<\/p>\n<\/td>\n

\n

4,17<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1eeb b\u1ea3ng 4.3\u00a0 cho th\u1ea5y thu\u1ed1c lentrek, lenfos, termidor, PMC c\u00f3 hi\u1ec7u l\u1ef1c di\u1ec7t m\u1ed1i t\u1ed1t \u1edf c\u1ea3 3 v\u00f9ng sinh th\u00e1i v\u00e0 \u1edf c\u1ea3 r\u1eebng tr\u1ed3ng keo v\u00e0 b\u1ea1ch \u0111\u00e0n. T\u1ef7 l\u1ec7 c\u00e2y b\u1ecb m\u1ed1i x\u00e2m nh\u1eadp \u1edf c\u00e1c \u00f4 th\u00ed nghi\u1ec7m sau 3 th\u00e1ng l\u00e0 <10%, \u0111\u1eb7c bi\u1ec7t t\u1ef7 l\u1ec7 c\u00e2y b\u1ecb m\u1ed1i x\u00e2m nh\u1eadp \u1edf \u00f4 th\u00ed nghi\u1ec7m s\u1eed d\u1ee5ng n\u1ed3ng \u0111\u1ed9 thu\u1ed1c 0,3% l\u00e0 0%-4,17%, trong khi \u0111\u00f3 t\u1ef7 l\u1ec7 c\u00e2y b\u1ecb m\u1ed1i trung b\u00ecnh \u1edf 3 \u00f4 \u0111\u1ed1i ch\u1ee9ng ch\u1ec9 t\u01b0\u1edbi n\u01b0\u1edbc l\u00e0 22,92% – 31,25%. Thu\u1ed1c Termidor v\u00e0 Lenfos c\u00f3 hi\u1ec7u l\u1ef1c ph\u00f2ng tr\u1eeb m\u1ed1i t\u1ed1t nh\u1ea5t so v\u1edbi c\u00e1c thu\u1ed1c kh\u00e1c v\u00e0 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 \u1edf c\u1ea5p n\u1ed3ng \u0111\u1ed9 0,2-0,3%.<\/p>\n

K\u1ebft qu\u1ea3 x\u1eed l\u00fd m\u1ed1i b\u1eb1ng bi\u1ec7n ph\u00e1p l\u00e2m sinh, sinh h\u1ecdc, h\u00f3a h\u1ecdc cho th\u1ea5y: t\u1ef7 l\u1ec7 c\u00e2y b\u1ecb m\u1ed1i \u1edf v\u00f9ng T\u00e2y Nguy\u00ean cao h\u01a1n v\u00f9ng \u0110\u00f4ng B\u1eafc v\u00e0 Trung t\u00e2m – T\u00e2y B\u1eafc. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 do k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng, do \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t \u0111ai c\u1ee7a v\u00f9ng T\u00e2y Nguy\u00ean t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho nhi\u1ec1u lo\u1ea1i m\u1ed1i ph\u00e1t tri\u1ec3n. V\u00f9ng T\u00e2y Nguy\u00ean khi tr\u1ed3ng r\u1eebng kh\u00f4ng \u0111\u00e0o b\u1ecf g\u1ed1c c\u00e2y c\u0169, \u0111\u00e2y l\u00e0 ngu\u1ed3n th\u1ee9c \u0103n cho m\u1ed1i. Do c\u00f3 nhi\u1ec1u m\u1ed1i n\u00ean khi x\u1eed l\u00fd ch\u1ec9 h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c m\u1ed9t ph\u1ea7n m\u1ed1i c\u00f3 m\u1eb7t t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3 nh\u01b0ng c\u00f2n nh\u1eefng t\u1ed5 m\u1ed1i trong \u0111\u1ea5t sau \u0111\u00f3 s\u1ebd ti\u1ebfp t\u1ee5c l\u00ean x\u00e2m nh\u1eadp v\u00e0o c\u00e2y.<\/p>\n

\u00a0<\/b><\/p>\n

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

K\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 t\u00ecnh h\u00ecnh m\u1ed1i g\u00e2y h\u1ea1i b\u1ea1ch \u0111\u00e0n v\u00e0 keo t\u1ea1i c\u00e1c v\u00f9ng tr\u1ecdng \u0111i\u1ec3m g\u1ed3m \u0110\u00f4ng B\u1eafc, T\u00e2y B\u1eafc, Trung t\u00e2m v\u00e0 T\u00e2y Nguy\u00ean \u0111\u00e3 thu \u0111\u01b0\u1ee3c 310 m\u1eabu m\u1ed1i v\u00e0 ph\u00e2n t\u00edch \u0111\u1ecbnh lo\u1ea1i \u0111\u01b0\u1ee3c 17 lo\u00e0i m\u1ed1i, thu\u1ed9c 9 gi\u1ed1ng v\u00e0 2 h\u1ecd m\u1ed1i.<\/p>\n

B\u1ea1ch \u0111\u00e0n v\u00e0 keo th\u01b0\u1eddng b\u1ecb m\u1ed1i t\u1ea5n c\u00f4ng v\u00e0o r\u1ec5 v\u00e0 th\u00e2n c\u1ee7a c\u00e2y d\u01b0\u1edbi 12 th\u00e1ng tu\u1ed5i l\u00e0m c\u00e2y ch\u1ebft. R\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n b\u1ecb m\u1ed1i g\u00e2y h\u1ea1i m\u1ea1nh h\u01a1n so v\u1edbi r\u1eebng tr\u1ed3ng keo. Khi c\u00e2y b\u1ea1ch \u0111\u00e0n v\u00e0 keo \u1edf tu\u1ed5i 2 tr\u1edf l\u00ean, m\u1ed1i th\u01b0\u1eddng \u0111\u1eafp \u0111\u1ea5t v\u00e0 \u0111\u1ee5c th\u00e0nh hang tr\u00ean th\u00e2n c\u00e2y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y.<\/p>\n

 <\/p>\n

T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/b><\/p>\n

1. Nguy\u1ec5n \u0110\u1ee9c Kh\u1ea3m (1976), M\u1ed1i \u1edf mi\u1ec1n B\u1eafc Vi\u1ec7t Nam, NXB KH&KT, HN<\/p>\n

2. Nguy\u1ec5n V\u0103n Qu\u1ea3ng, 2002, \u201cTh\u00e0nh ph\u1ea7n lo\u00e0i khu h\u1ec7 m\u1ed1i Vi\u1ec7t Nam\u201d,<\/i> B\u00e1o c\u00e1o khoa h\u1ecdc h\u1ed9i ngh\u1ecb c\u00f4n tr\u00f9ng h\u1ecdc to\u00e0n qu\u1ed1c (l\u1ea7n th\u1ee9 4), NXB n\u00f4ng nghi\u1ec7p H\u00e0 N\u1ed9i, tr. 225 \u2013 228.<\/p>\n

3. Nguy\u1ec5n Ch\u00ed Thanh, H\u00e0 Th\u1ecb Th\u1ea1o, Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc (1995), Ph\u00f2ng ch\u1ed1ng m\u1ed1i cho c\u00e2y ch\u00e8 m\u1edbi tr\u1ed3ng, K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u khoa h\u1ecdc L\u00e2m nghi\u1ec7p, giai \u0111o\u1ea1n 1996 \u2013 2000, trang 90- 92.<\/p>\n

4. Nguy\u1ec5n T\u00e2n V\u01b0\u01a1ng, Nguy\u1ec5n Th\u00fay Hi\u1ec1n, Nguy\u1ec5n Th\u1ecb My, Ng\u00f4 Tr\u01b0\u1eddng S\u01a1n, Nguy\u1ec5n Qu\u1ed1c Huy, Th\u00e0nh ph\u1ea7n lo\u00e0i m\u1ed1i trong sinh c\u1ea3nh c\u00e2y cao su, c\u00e0 ph\u00ea, ca cao \u1edf c\u00e1c t\u1ec9nh T\u00e2y Nguy\u00ean<\/i>, T\u1ea1p ch\u00ed NN &PTNT s\u1ed1 11+12, tr.151-153.<\/p>\n

5. Cowie,R.H, Logan,J.W. and Wood,T.G, 1989, Termite (Isoptera<\/i>) damage and control in tropical forestry with special reference to Africa and Indo \u2013 Malaysia: A review. Bull.Entomol.Res.,78:173-184.<\/p>\n

6. Nair, K.S.S and Varma,R.V, 1985, Some ecological aspest of termite problem in young eucalyptus plantation in Kerala, India. For.Ecol. Manage., 12: 287-303.<\/p>\n

7. UNEP\/ FAO\/Global IPM Facility Expert Group on Termite Biology and Management\u00a0 (2000).<\/p>\n","protected":false},"excerpt":{"rendered":"

PGS.TS. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc 1\/M\u1ede \u0110\u1ea6U B\u1ea1ch \u0111\u00e0n v\u00e0 keo l\u00e0 c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 l\u1ef1c c\u1ee7a nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam. Trong qu\u00e1 tr\u00ecnh g\u00e2y tr\u1ed3ng, b\u1ea1ch \u0111\u00e0n v\u00e0 keo b\u1ecb r\u1ea5t nhi\u1ec1u lo\u00e0i c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i. M\u1ed1i l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f4n tr\u00f9ng c\u00f3 th\u1ec3 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14126"}],"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=14126"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14126\/revisions"}],"predecessor-version":[{"id":14130,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14126\/revisions\/14130"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=14126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=14126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=14126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}