T\u00ean lu\u1eadn \u00e1n:\u201cNghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m bi\u1ebfn d\u1ecb v\u00e0 kh\u1ea3 n\u0103ng di truy\u1ec1n v\u1ec1 sinh tr\u01b0\u1edfng v\u00e0 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t g\u1ed7 c\u1ee7a B\u1ea1ch \u0111\u00e0n ur\u00f4 <\/i>(E. urophylla <\/i>ST. Blake)\u00a0 v\u00e0 m\u1ed9t s\u1ed1 d\u00f2ng B\u1ea1ch \u0111\u00e0n lai t\u1ea1i Vi\u1ec7t Nam<\/i>\u201d.<\/b><\/p>\n
Chuy\u00ean ng\u00e0nh: Di truy\u1ec1n ch\u1ecdn gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p<\/p>\n
M\u00e3 s\u1ed1: 62 62 02 <\/b>07<\/p>\n
H\u1ecd v\u00e0 t\u00ean NCS: Mai Trung Ki\u00ean<\/p>\n
H\u1ecd v\u00e0 t\u00ean c\u00e1n b\u1ed9 h\u01b0\u1edbng d\u1eabn: TS. H\u00e0 Huy Th\u1ecbnh v\u00e0 GS.TS.L\u00ea \u0110\u00ecnh Kh\u1ea3<\/p>\n
T\u00ean c\u01a1 s\u1edf \u0111\u00e0o t\u1ea1o: Vi\u1ec7n Khao h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n
T\u00d3M T\u1eaeT NH\u1eeeNG K\u1ebeT LU\u1eacN M\u1edaI C\u1ee6A LU\u1eacN \u00c1N<\/p>\n
1. Lu\u1eadn \u00e1n l\u1ea7n \u0111\u1ea7u ti\u1ebfn \u0111\u00e1nh gi\u00e1 m\u1ed9t c\u00e1ch t\u1ed5ng h\u1ee3p v\u00e0 to\u00e0n di\u1ec7n bi\u1ebfn d\u1ecb v\u00e0 kh\u1ea3 n\u0103ng di truy\u1ec1n v\u1ec1 c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng, ch\u1ea5t l\u01b0\u1ee3ng th\u00e2n c\u00e2y, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 v\u00e0 h\u00e0m l\u01b0\u1ee3ng cellulose c\u1ee7a c\u00e1c gia \u0111\u00ecnh trong c\u00e1c kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf th\u1ebf h\u1ec7 2 v\u00e0 d\u00f2ng v\u00f4 t\u00ednh B\u1ea1ch \u0111\u00e0n ur\u00f4.<\/p>\n
2. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 cung c\u1ea5p m\u1ed9t s\u1ed1 c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c ch\u1ecdn gi\u1ed1ng B\u1ea1ch \u0111\u00e0n lai UP sinh tr\u01b0\u1edfng nhanh, c\u00f3 t\u00ednh ch\u1ea5t g\u1ed7 t\u1ed1t v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 d\u00f2ng \u01b0u vi\u1ec7t B\u1ea1ch \u0111\u00e0n lai UP.<\/p>\n
3. Trong c\u00e1c kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf th\u1ebf h\u1ec7 2 B\u1ea1ch \u0111\u00e0n ur\u00f4, c\u00e1c kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh B\u1ea1ch \u0111\u00e0n ur\u00f4 v\u00e0 B\u1ea1ch \u0111\u00e0n UP c\u00f3 s\u1ef1 ph\u00e2n h\u00f3a r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c gia \u0111\u00ecnh v\u00e0 d\u00f2ng v\u00f4 t\u00ednh v\u1ec1 sinh tr\u01b0\u1edfng, kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 v\u00e0 h\u00e0m l\u01b0\u1ee3ng cellulose. H\u1ec7 s\u1ed1 di truy\u1ec1n theo ngh\u0129a h\u1eb9p c\u1ee7a c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng c\u00e1c gia \u0111\u00ecnh B\u1ea1ch \u0111\u00e0n ur\u00f4 bi\u1ebfn \u0111\u1ed9ng t\u1eeb 0,19 \u0111\u1ebfn 0,23 \u1edf tu\u1ed5i 6 trong khi h\u1ec7 s\u1ed1 di truy\u1ec1n c\u1ee7a tr\u1ecb s\u1ed1 pilodyn kh\u00e1 cao, bi\u1ebfn \u0111\u1ed9ng t\u1eeb 0,42 \u0111\u1ebfn 0,48. H\u1ec7 s\u1ed1 di truy\u1ec1n theo ngh\u0129a r\u1ed9ng c\u1ee7a c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng c\u00e1c d\u00f2ng B\u1ea1ch \u0111\u00e0n ur\u00f4 bi\u1ebfn \u0111\u1ed9ng t\u1eeb 0,20 t\u1edbi 0,46 v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 l\u00e0 0,68. \u0110\u1ed1i v\u1edbi c\u00e1c d\u00f2ng v\u00f4 t\u00ednh B\u1ea1ch \u0111\u00e0n lai UP, h\u1ec7 s\u1ed1 di truy\u1ec1n c\u1ee7a c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng bi\u1ebfn \u0111\u1ed9ng t\u1eeb 0,34 t\u1edbi 0,46 t\u1ea1i \u0110\u00f4ng H\u00e0 v\u00e0 0,18 – 0,31 t\u1ea1i Ba V\u00ec; Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 c\u00f3 h\u1ec7 s\u1ed1 di truy\u1ec1n cao h\u01a1n, bi\u1ebfn \u0111\u1ed9ng t\u1eeb 0,71 t\u1edbi 0,78. H\u00e0m l\u01b0\u1ee3ng cellulose ch\u1ec9 c\u00f3 h\u1ec7 s\u1ed1 di truy\u1ec1n t\u1eeb 0,25 t\u1edbi 0,31.<\/p>\n
4. \u1ede c\u00e1c d\u00f2ng B\u1ea1ch \u0111\u00e0n ur\u00f4 v\u00e0 B\u1ea1ch \u0111\u00e0n lai UP, t\u01b0\u01a1ng quan gi\u1eefa cellulose v\u1edbi c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng l\u00e0 t\u01b0\u01a1ng quan d\u01b0\u01a1ng v\u00e0 \u1edf m\u1ee9c t\u1eeb y\u1ebfu \u0111\u1ebfn v\u1eeba ph\u1ea3i (r = 0,11 – 0,40). Nh\u01b0ng t\u01b0\u01a1ng quan gi\u1eefa kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 v\u1edbi cellulose \u1edf m\u1ee9c t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eb7t \u0111\u1ebfn ch\u1eb7t (r = 0,57 – 0,77). \u0110\u1eb7c bi\u1ec7t, t\u01b0\u01a1ng quan gi\u1eefa kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 v\u1edbi tr\u1ecb s\u1ed1 pilodyn c\u1ee7a c\u00e1c d\u00f2ng b\u1ea1ch \u0111\u00e0n l\u00e0 t\u01b0\u01a1ng quan \u00e2m v\u00e0 r\u1ea5t ch\u1eb7t (r t\u1eeb\u00a0 – 0,80 t\u1edbi – 0,92).<\/p>\n
5. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u t\u01b0\u01a1ng quan c\u1ee7a m\u1ed9t t\u00ednh tr\u1ea1ng \u1edf c\u00e1c \u0111\u1ed9 tu\u1ed5i kh\u00e1c nhau \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh vi\u1ec7c ch\u1ecdn c\u00e1c gia \u0111\u00ecnh v\u00e0 c\u00e1c d\u00f2ng B\u1ea1ch \u0111\u00e0n ur\u00f4 c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh t\u1ea1i tu\u1ed5i 3 v\u00e0 s\u1ebd cho k\u1ebft qu\u1ea3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady cao.<\/p>\n
6. T\u01b0\u01a1ng quan di truy\u1ec1n ho\u00e0n c\u1ea3nh gi\u1eefa c\u00e1c l\u1eadp \u0111\u1ecba Ba V\u00ec \u2013 H\u00e0 N\u1ed9i, Nam \u0110\u00e0n \u2013 Ngh\u1ec7 An v\u00e0 \u0110\u00f4ng H\u00e0 \u2013 Qu\u1ea3ng Tr\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng n\u00ean t\u01b0\u01a1ng t\u00e1c di truy\u1ec1n ho\u00e0n c\u1ea3nh g\u1ea7n nh\u01b0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c t\u00ednh tr\u1ea1ng n\u00e0y. Tr\u00e1i ng\u01b0\u1ee3c l\u1ea1i, \u1ea3nh h\u01b0\u1edfng t\u01b0\u01a1ng t\u00e1c di truy\u1ec1n ho\u00e0n c\u1ea3nh kh\u00e1 r\u00f5 gi\u1eefa Ba V\u00ec v\u00e0 \u0110\u00f4ng H\u00e0 v\u1edbi t\u00ednh tr\u1ea1ng pilodyn.<\/p>\n
7. K\u1ebft qu\u1ea3 ch\u1ecdn l\u1ecdc c\u00e1c d\u00f2ng v\u00f4 t\u00ednh cho th\u1ea5y t\u1ea1i Ba V\u00ec, 5 d\u00f2ng B\u1ea1ch \u0111\u00e0n ur\u00f4 (U18, U11, U265, U1 v\u00e0 U4) t\u1ed1t nh\u1ea5t c\u00f3 \u0111\u1ed9 v\u01b0\u1ee3t so v\u1edbi U6 t\u1eeb 30,1% t\u1edbi 95,1% v\u1ec1 th\u1ec3 t\u00edch th\u00e2n c\u00e2y, trong khi 5 d\u00f2ng U951, U295, U992, U14 v\u00e0 U833 l\u1ea1i c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 cao, v\u00e0 4 d\u00f2ng kh\u00e1c (U3, UU78, U894 v\u00e0 UU6) l\u1ea1i c\u00f3 h\u00e0m l\u01b0\u1ee3ng cellulose cao. T\u1ea1i Nam \u0110\u00e0n, 5 d\u00f2ng U1088, U821, U416, U262 v\u00e0 U348 l\u00e0 nh\u1eefng d\u00f2ng \u01b0u vi\u1ec7t v\u00e0 c\u00f3 \u0111\u1ed9 v\u01b0\u1ee3t 23,0% so v\u1edbi d\u00f2ng U6.<\/p>\n
8. \u0110\u1ed1i v\u1edbi c\u00e1c d\u00f2ng B\u1ea1ch \u0111\u00e0n lai UP t\u1ea1i Ba V\u00ec, c\u00e1c d\u00f2ng UP72, UP66, UP99, UP35 v\u00e0 UP23 c\u00f3 sinh tr\u01b0\u1edfng v\u01b0\u1ee3t h\u01a1n PN14 t\u1edbi 56,3%, v\u01b0\u1ee3t h\u1edbn 52,5% so v\u1edbi d\u00f2ng U6. N\u0103m d\u00f2ng UP26, UP23, UP47, UP22 v\u00e0 UP12 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 cao, 5 d\u00f2ng (UP72, UP47, UP26, UP35 v\u00e0 UP23) c\u00f3 h\u00e0m l\u01b0\u1ee3ng cellulose cao. T\u1ea1i \u0110\u00f4ng H\u00e0, 3 d\u00f2ng UP54, UU39 v\u00e0 UP35 c\u00f3 sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t v\u00e0 c\u00f3 \u0111\u1ed9 v\u01b0\u1ee3t t\u1eeb 54,9% t\u1edbi 127,0% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng h\u1ea1t s\u1ea3n xu\u1ea5t \u0111\u1ea1i tr\u00e0, trong khi 3 d\u00f2ng UP26, UU42 v\u00e0 UP47 l\u1ea1i c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a g\u1ed7 cao, 4 d\u00f2ng (UP23, UP47, UP48 v\u00e0 UP51) c\u00f3 h\u00e0m l\u01b0\u1ee3ng cellulose cao.<\/p>\n
9. T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a lu\u1eadn \u00e1n 11 d\u00f2ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 c\u00e1c gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt, g\u1ed3m 5 d\u00f2ng UP35; UP72, UP95, UP97 UP99 cho Ba V\u00ec; 1 d\u00f2ng UP54 \u1edf \u0110\u00f4ng H\u00e0; 3 d\u00f2ng U821, U416, U262, U1088 cho Nam \u0110\u00e0n; d\u00f2ng U892 v\u00e0 U1088 \u1edf \u0110\u00f4ng H\u00e0.<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u00ean lu\u1eadn \u00e1n:\u201cNghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m bi\u1ebfn d\u1ecb v\u00e0 kh\u1ea3 n\u0103ng di truy\u1ec1n v\u1ec1 sinh tr\u01b0\u1edfng v\u00e0 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t g\u1ed7 c\u1ee7a B\u1ea1ch \u0111\u00e0n ur\u00f4 (E. urophylla ST. Blake)\u00a0 v\u00e0 m\u1ed9t s\u1ed1 d\u00f2ng B\u1ea1ch \u0111\u00e0n lai t\u1ea1i Vi\u1ec7t Nam\u201d. Chuy\u00ean ng\u00e0nh: Di truy\u1ec1n ch\u1ecdn gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p M\u00e3 s\u1ed1: 62 62 02 07 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[42,66],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/12357"}],"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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=12357"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/12357\/revisions"}],"predecessor-version":[{"id":12359,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/12357\/revisions\/12359"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=12357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=12357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=12357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}