{"id":19470,"date":"2019-11-04T09:12:57","date_gmt":"2019-11-04T02:12:57","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=19470"},"modified":"2019-11-04T09:25:21","modified_gmt":"2019-11-04T02:25:21","slug":"hoi-dong-nghiem-thu-tong-ket-cap-co-so-de-tai-nghien-cuu-khoa-hoc-khao-nghiem-mo-rong-cac-giong-keo-moi-duoc-cong-nhan-aa1-aa9-bvlt83-bvlt84-bvlt85-clt98-ah1-ah7-bv71-bv73-bv10-bv75-bv16","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/hoi-dong-nghiem-thu-tong-ket-cap-co-so-de-tai-nghien-cuu-khoa-hoc-khao-nghiem-mo-rong-cac-giong-keo-moi-duoc-cong-nhan-aa1-aa9-bvlt83-bvlt84-bvlt85-clt98-ah1-ah7-bv71-bv73-bv10-bv75-bv16\/","title":{"rendered":"H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u khoa h\u1ecdc: Kh\u1ea3o nghi\u1ec7m m\u1edf r\u1ed9ng c\u00e1c gi\u1ed1ng Keo m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn (AA1, AA9, BVlt83, BVlt84, BVlt85, Clt98, AH1, AH7, BV71, BV73, BV10, BV75, BV16, BV32, BV33), t\u1ea1i Qu\u1ea3ng Tr\u1ecb."},"content":{"rendered":"

Th\u1ef1c hi\u1ec7n Quy\u1ebft \u0111\u1ecbnh s\u1ed1 598\/Q\u0110 \/KHLN-KH ng\u00e0y 30\/ 10\/ 2019 c\u1ee7a Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n v\u1ec1 vi\u1ec7c Th\u00e0nh l\u1eadp h\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u khoa h\u1ecdc. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ecdp h\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i:<\/p>\n

T\u00ean \u0111\u1ec1 t\u00e0i: Kh\u1ea3o nghi\u1ec7m m\u1edf r\u1ed9ng c\u00e1c gi\u1ed1ng Keo m\u1edbi \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn (AA1, AA9, BVlt83, BVlt84, BVlt85, Clt98, AH1, AH7, BV71, BV73, BV10, BV75, BV16, BV32, BV33), t\u1ea1i Qu\u1ea3ng Tr\u1ecb.<\/p>\n

Ch\u1ee7 nhi\u1ec7m: ThS. Nguy\u1ec5n H\u1ea3i Th\u00e0nh<\/p>\n

\u0110\u01a1n v\u1ecb th\u1ef1c hi\u1ec7n: Trung t\u00e2m Khoa h\u1ecdc L\u00e2m nghi\u1ec7p B\u1eafc Trung B\u1ed9<\/p>\n

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

M\u1ee5c ti\u00eau \u0111\u1ec1 t\u00e0i:<\/p>\n

– Ch\u1ecdn \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 2 gi\u1ed1ng Keo l\u00e1 tr\u00e0m, 2 gi\u1ed1ng Keo lai c\u00f3 tri\u1ec3n v\u1ecdng t\u1ea1i Qu\u1ea3ng Tr\u1ecb.<\/p>\n

– X\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c 10 ha m\u00f4 h\u00ecnh kh\u1ea3o nghi\u1ec7m gi\u1ed1ng v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt l\u00e2m sinh ph\u00f9 h\u1ee3p<\/p>\n

H\u1ed9i \u0111\u1ed3ng \u0111\u00e3 nghi\u1ec7m thu kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a \u0111\u1ec1 t\u00e0i. K\u1ebft qu\u1ea3 nghi\u1ec7m thu cho th\u1ea5y, \u0111\u1ec1 t\u00e0i \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00e1c n\u1ed9i dung theo thuy\u1ebft minh \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9:<\/p>\n

 <\/p>\n

1) \u0110\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh \u0111i\u1ec1u tra sinh tr\u01b0\u1edfng c\u00e1c m\u00f4 h\u00ecnh Keo lai, Keo l\u00e1 tr\u00e0m t\u1ea1i Qu\u1ea3ng Tr\u1ecb:<\/p>\n

– Sinh tr\u01b0\u1edfng c\u1ee7a m\u00f4 h\u00ecnh Keo lai: V\u1ec1 t\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a 03 m\u00f4 h\u00ecnh sau 5 n\u0103m \u0111\u1ec1u t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00e0 trung b\u00ecnh \u0111\u1ea1t 90%. V\u1ec1 h\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng D1.3, Hvn t\u1eeb 5-16%, c\u00e2y tr\u1ed3ng sinh tr\u01b0\u1edfng t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u. M\u00f4 h\u00ecnh c\u00f3 m\u1eadt \u0111\u00f4 c\u00e0ng cao th\u00ec h\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng c\u00e0ng l\u1edbn. Ch\u1ee9ng t\u1ecf r\u1eb1ng m\u1eadt \u0111\u1ed9 cao th\u00ec c\u00e2y r\u1eebng kh\u00e9p t\u00e1n s\u1edbm v\u00e0 d\u1eabn \u0111\u1ebfn s\u1ef1 c\u1ea1nh tranh v\u1ec1 \u00e1nh s\u00e1ng v\u00e0 nhu c\u1ea7u dinh d\u01b0\u1ee1ng n\u00ean c\u00e1c c\u00e2y trong l\u00e2m ph\u1ea7n c\u00f3 s\u1ef1 ph\u00e2n h\u00f3a r\u00f5 r\u1ec7t. Sau 5 n\u0103m tr\u1eef l\u01b0\u1ee3ng r\u1eebng c\u1ee7a ba m\u00f4 h\u00ecnh ch\u01b0a c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u00e1ng k\u1ec3 v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a 3 m\u00f4 h\u00ecnh \u0111\u1ec1u \u0111\u1ea1t tr\u00ean 20 m3<\/sup>\/ha\/n\u0103m.<\/p>\n

– Sinh tr\u01b0\u1edfng c\u1ee7a m\u00f4 h\u00ecnh Keo l\u00e1 tr\u00e0m: K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra cho th\u1ea5y t\u1ef7 l\u1ec7 s\u1ed1ng \u1edf hai m\u1eadt \u0111\u1ed9 1250 v\u00e0 1650 \u0111\u1ec1u t\u01b0\u01a1ng \u0111\u1ed1i cao >90%. H\u1ebf s\u1ed1 bi\u1ebfn \u0111\u1ed9ng D1.3 \u1edf hai m\u00f4 h\u00ecnh n\u00e0y \u0111\u1ec1u >15%, ch\u1ee9ng t\u1ecf c\u00e2y r\u1eebng sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed3ng \u0111\u1ec1u. Ri\u00eang m\u00f4 h\u00ecnh m\u1eadt \u0111\u1ed9 600 c\u00e2y\/ha \u0111\u00e3 qua t\u1ec9a th\u01b0a n\u00ean h\u1ec7 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng l\u00e0 r\u1ea5t b\u00e9. Tr\u1eef l\u01b0\u1ee3ng r\u1eebng c\u1ee7a hai m\u00f4 h\u00ecnh 1650 c\u00e2y\/ha v\u00e0 1250 c\u00e2y\/ha \u1edf giai \u0111o\u1ea1n 5 tu\u1ed5i c\u0169ng kh\u00f4ng ch\u00eanh l\u1ec7ch nhau l\u1edbn. Tuy nhi\u00ean \u0111\u1ed1i v\u1edbi m\u00f4 h\u00ecnh t\u1ec9a th\u01b0a sau 8 n\u0103m ta th\u1ea5y r\u1eb1ng m\u1eadt \u0111\u1ed9 \u0111\u1ec3 l\u1ea1i r\u1ea5t th\u1ea5p nh\u01b0ng tr\u1eef l\u01b0\u1ee3ng r\u1eebng \u0111\u00e3 v\u01b0\u1ee3t g\u1ea5p \u0111\u00f4i v\u00e0 l\u01b0\u1ee3ng t\u0103ng tr\u01b0\u1edfng b\u00ecnh qu\u00e2n h\u00e0ng n\u0103m c\u0169ng t\u0103ng l\u00ean v\u00e0 \u0111\u1ea1t 15,6 m3\/ha\/n\u0103m.<\/p>\n

2) \u0110\u00e3 ti\u1ebfn h\u00e0nh x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh kh\u1ea3o nghi\u1ec7m m\u1edf r\u1ed9ng c\u00e1c d\u00f2ng Keo lai, Keo l\u00e1 tr\u00e0m.<\/p>\n

– Keo lai: C\u00e1c d\u00f2ng \u0111\u01b0a v\u00e0o kh\u1ea3o nghi\u1ec7m l\u00e0 c\u00e1c gi\u1ed1ng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 c\u00e1c gi\u1ed1ng qu\u1ed1c gia v\u00e0 c\u00e1c gi\u1ed1ng \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt bao g\u1ed3m: AH1, AH7, BV10, BV16, BV32, BV33, BV71, BV73, BV75. K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ANOVA th\u00f4ng qua ph\u1ea7n m\u1ec1m Genstat cho th\u1ea5y c\u00e1c ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh 1.3, chi\u1ec1u cao v\u00fat ng\u1ecdn v\u00e0 th\u1ec3 t\u00edch th\u00e2n c\u00e2y \u0111\u1ec1u c\u00f3 s\u1ef1 sai kh\u00e1c v\u1edbi m\u1ee9c \u00fd ngh\u0129a 99% v\u00e0 95%. T\u1ef7 l\u1ec7 s\u1ed1ng trung b\u00ecnh c\u1ee7a c\u00e1c d\u00f2ng trong kh\u1ea3o nghi\u1ec7m >85%. N\u0103ng su\u1ea5t b\u00ecnh qu\u00e2n \u0111\u1ea1t 20m3<\/sup>\/ha\/n\u0103m.<\/p>\n

– Keo l\u00e1 tr\u00e0m: V\u1eadt li\u1ec7u kh\u1ea3o nghi\u1ec7m Keo l\u00e1 tr\u00e0m l\u00e0 c\u00e1c d\u00f2ng AA9, BVlt83, BVlt84, Clt98. \u1ede giai \u0111o\u1ea1n 42 th\u00e1ng tu\u1ed5i k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ANOVA cho th\u1ea5y c\u00e1c ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng \u0111\u01b0\u1eddng k\u00ednh 1.3, th\u1ec3 t\u00edch th\u00e2n c\u00e2y v\u00e0 ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng th\u00e2n c\u00e2y Dtt l\u00e0 c\u00f3 s\u1ef1 sai kh\u00e1c v\u1edbi \u0111\u1ed9 tin c\u1eady 99% v\u00e0 95%. Ch\u1ec9 ti\u00eau sinh tr\u01b0\u1edfng chi\u1ec1u cao l\u00e0 ch\u01b0a c\u00f3 s\u1ef1 sai kh\u00e1c. T\u1ef7 l\u1ec7 s\u1ed1ng trung b\u00ecnh c\u1ee7a kh\u1ea3o nghi\u1ec7m l\u00e0 85,7%. N\u0103ng su\u1ea5t b\u00ecnh qu\u00e2n \u0111\u1ea1t 11.3 m3<\/sup>\/ha\/n\u0103m.<\/p>\n

 <\/p>\n

3) Sinh tr\u01b0\u1edfng m\u00f4 h\u00ecnh \u1ee9ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt: V\u1eadt li\u1ec7u s\u1eed d\u1ee5ng l\u00e0 c\u00e1c d\u00f2ng BV10, BV16, BV32, BV33 \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi nhau. K\u1ebft qu\u1ea3 sau 42 th\u00e1ng sinh tr\u01b0\u1edfng b\u00ecnh qu\u00e2n v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 10,5 dm, chi\u1ec1u cao \u0111\u1ea1t 10.8 m. N\u0103ng su\u1ea5t b\u00ecnh qu\u00e2n \u0111\u1ea1t 19.2 m3<\/sup>\/ha\/n\u0103m.<\/p>\n","protected":false},"excerpt":{"rendered":"

Th\u1ef1c hi\u1ec7n Quy\u1ebft \u0111\u1ecbnh s\u1ed1 598\/Q\u0110 \/KHLN-KH ng\u00e0y 30\/ 10\/ 2019 c\u1ee7a Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n v\u1ec1 vi\u1ec7c Th\u00e0nh l\u1eadp h\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u khoa h\u1ecdc. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ecdp h\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i: T\u00ean […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[65,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/19470"}],"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=19470"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/19470\/revisions"}],"predecessor-version":[{"id":19474,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/19470\/revisions\/19474"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=19470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=19470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=19470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}