{"id":8786,"date":"2009-03-24T04:28:17","date_gmt":"2009-03-23T21:28:17","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/03\/mot-so-ket-qua-nghien-cuu-nang-cao-hieu-suat-giam-hom-keo-lai-phuc-vu-cho-trong-rung-tai-dong-nam-bo\/"},"modified":"2019-09-24T10:59:44","modified_gmt":"2019-09-24T03:59:44","slug":"mot-so-ket-qua-nghien-cuu-nang-cao-hieu-suat-giam-hom-keo-lai-phuc-vu-cho-trong-rung-tai-dong-nam-bo","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/mot-so-ket-qua-nghien-cuu-nang-cao-hieu-suat-giam-hom-keo-lai-phuc-vu-cho-trong-rung-tai-dong-nam-bo\/","title":{"rendered":"M\u1ed8T S\u1ed0 K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U N\u00c2NG CAO HI\u1ec6U SU\u1ea4T GI\u00c2M HOM KEO LAI PH\u1ee4C V\u1ee4 CHO TR\u1ed2NG R\u1eeaNG T\u1ea0I \u0110\u00d4NG NAM B\u1ed8"},"content":{"rendered":"

Nguy\u1ec5n v\u0103n Chi\u1ebfn <\/em><\/strong><\/p>\n

\u0110o\u00e0n C\u00f4ng Ch\u00ednh<\/em><\/strong><\/p>\n

Phan V\u0103n Hu\u1ed1ng<\/em><\/strong><\/p>\n

Trung t\u00e2m KH&SX L\u00e2m nghi\u1ec7p \u0110.N.B\u1ed9<\/em><\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t <\/em>Nam<\/em><\/h1>\n

V\u00e0o nh\u1eefng n\u0103m cu\u1ed1i th\u1eadp k\u1ef7 90 c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t c\u00e2y gi\u1ed1ng b\u1eb1ng m\u00f4 hom ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng \u0111\u01b0\u1ee3c Nh\u00e0 n\u01b0\u1edbc quan t\u00e2m \u0111\u1ea7u t\u01b0 m\u1ea1nh m\u1ebd. T\u1eeb nh\u1eefng k\u1ebft qu\u1ea3 ban \u0111\u1ea7u c\u1ee7a nh\u1eefng khu r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n, keo lai b\u1eb1ng m\u00f4 hom cho th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, n\u0103ng su\u1ea5t r\u1eebng t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3, t\u1eeb \u0111\u00f3 c\u00e2y tr\u1ed3ng r\u1eebng b\u1eb1ng m\u00f4 hom \u0111\u00e3 d\u1ea7n d\u1ea7n thay th\u1ebf c\u00e2y tr\u1ed3ng r\u1eebng b\u1eb1ng h\u1ea1t \u1edf nhi\u1ec1u n\u01a1i trong c\u1ea3 n\u01b0\u1edbc. Tuy nhi\u00ean, nhu c\u1ea7u v\u1ec1 c\u00e2y gi\u1ed1ng ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng h\u1eb1ng n\u0103m th\u00ec qu\u00e1 l\u1edbn m\u00e0 th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t c\u00e2y hom th\u00ec ch\u01b0a th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u1ee7. H\u1ea1n ch\u1ebf \u0111\u00f3 b\u1ecb chi ph\u1ed1i b\u1edfi c\u1ea3 hai m\u1eb7t v\u1ec1 qui m\u00f4 s\u1ea3n xu\u1ea5t v\u00e0 gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m.<\/p>\n

C\u00f4ng ngh\u1ec7 gi\u00e2m hom trong nh\u00e0 c\u00f9ng v\u1edbi nh\u1eefng bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt nh\u01b0 c\u1eafm hom tr\u00ean gi\u00e1 th\u1ec3 b\u1eb1ng c\u00e1t, sau \u0111\u00f3 nh\u1ed5 c\u1ea5y chuy\u1ec1n v\u00e0o b\u1ea7u \u0111\u1ea5t tr\u00ean l\u00fd thuy\u1ebft l\u00e0 thu\u1eadn l\u1ee3i cho s\u1ef1 ra r\u1ec5 c\u1ee7a hom gi\u00e2m \u1edf giai \u0111o\u1ea1n ban \u0111\u1ea7u, song trong th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt n\u00e0y v\u00e0o gi\u00e2m hom c\u00e2y hom keo lai t\u1ea1i \u0110\u00f4ng Nam B\u1ed9 \u0111\u00e3 c\u00f3 nh\u1eefng b\u1ea5t l\u1ee3i \u0111\u00e1ng k\u1ec3 do nhi\u1ec1u nguy\u00ean nh\u00e2n kh\u00e1c nhau l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m c\u00e2y hom xu\u1ea5t v\u01b0\u1eddn nh\u01b0: t\u1ec9 l\u1ec7 hao h\u1ee5t c\u00e2y hom trong qu\u00e1 tr\u00ecnh c\u1ea5y chuy\u1ec1n v\u00e0o b\u1ea7u, t\u1ec9 l\u1ec7 ra r\u1ec5 gi\u1ea3m xu\u1ed1ng v\u00ec thi\u1ebfu \u00e1nh s\u00e1ng khi m\u00e1i che t\u00f4n nh\u1ef1a c\u1ee7a nh\u00e0 gi\u00e2m hom b\u1ecb m\u1edd \u0111\u1ee5c, ho\u1eb7c n\u1ea5m b\u1ec7nh ph\u00e1t tri\u1ec3n m\u1ea1nh do kh\u00f4ng \u0111\u01b0\u1ee3c th\u00f4ng tho\u00e1ng.v.v… v\u00e0 chi ph\u00ed \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng nh\u00e0 gi\u00e2m hom ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t kh\u00e1 t\u1ed1n k\u00e9m. \u0110\u00f3 l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c quan t\u00e2m nghi\u00ean c\u1ee9u t\u1ea1i TT KHSXLN \u0110\u00f4ng Nam B\u1ed9 trong th\u1eddi gian qua \u0111\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p t\u1ed1t h\u01a1n nh\u1eb1m n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1ea3n xu\u1ea5t c\u00e2y hom keo lai \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u00e2y gi\u1ed1ng ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng hi\u1ec7n nayt\u1ea1i \u0110\u00f4ng Nam B\u1ed9.<\/p>\n

1. C\u00e1c n\u1ed9i dung nghi\u00ean c\u1ee9u ch\u00ednh<\/strong><\/p>\n

1.1. \u1ea2nh h\u01b0\u1edfng c\u1ee7a th\u00e0nh ph\u1ea7n gi\u00e1 th\u1ec3 \u0111\u1ebfn s\u1ef1 ra r\u1ec5 c\u1ee7a hom gi\u00e2m<\/em><\/strong><\/p>\n

* V\u1eadt li\u1ec7u v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/p>\n

– Ngu\u1ed3n v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng l\u00e0m gi\u00e1 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 \u0111\u1ea5t t\u1ea7ng B, c\u00e1t s\u00f4ng, c\u00e1m x\u01a1 d\u1eeba.<\/p>\n

-Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u: thi\u1ebft l\u1eadp 6 c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m theo c\u00e1c t\u1ec9 l\u1ec7 nh\u01b0 sau:100% \u0111\u1ea5t t\u1ea7ng B (NT1), 100% c\u00e1t s\u00f4ng (NT2), 100% c\u00e1m x\u01a1 d\u1eeba(NT3), 50% \u0111\u1ea5t t\u1ea7ng B + 50% c\u00e1t s\u00f4ng (NT4), 50% \u0111\u1ea5t t\u1ea7ng B + 50% c\u00e1m x\u01a1 d\u1eeba (NT5), 50% c\u00e1t s\u00f4ng+ 50% c\u00e1m x\u01a1 d\u1eeba (NT6). B\u1ed1 tr\u00ed 3 l\u1ea7n l\u1eb7p l\u1ea1i, dung l\u01b0\u1ee3ng m\u1eabu: 30 c\u00e2y\/NT\/LLL. C\u00e1c ch\u1ec9 ti\u00eau theo d\u00f5i v\u00e0 \u0111\u00e1nh gi\u00e1 v\u1ec1 t\u1ec9 l\u1ec7 ra r\u1ec5, th\u1eddi gian ra r\u1ec5, \u0111o \u0111\u1ebfm theo \u0111\u1ecbnh k\u1ef3 3 ng\u00e0y\/l\u1ea7n. C\u00e1c th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch v\u00e0 x\u1eed l\u00fd s\u1ed1 li\u1ec7u tr\u00ean ph\u1ea7n m\u1ea7m th\u1ed1ng k\u00ea chuy\u00ean d\u00f9ng MSTATC.<\/p>\n

* K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u: t\u1eeb b\u1ea3ng 1 cho th\u1ea5y t\u1ec9 l\u1ec7 ra r\u1ec5 c\u1ee7a hom gi\u00e2m v\u00e0o c\u00e1c lo\u1ea1i gi\u00e1 th\u1ec3\u0111\u1ec1u x\u1ea5p x\u1ec9 ngang nhau, ch\u00fang \u0111\u1ec1u \u0111\u1ea1t t\u1ec9 l\u1ec7 ra r\u1ec5 r\u1ea5t cao (tr\u00ean 92%). Trong \u0111\u00f3, hai lo\u1ea1i gi\u00e1 th\u1ec3\u00f8 100% \u0111\u1ea5t t\u1ea7ng B v\u00e0 100% c\u00e1t s\u00f4ng c\u00f3 t\u1ec9 l\u1ec7 ra r\u1ec5 cao nh\u1ea5t: 98% v\u00e0 97,8%. Th\u1eddi gian hom ra r\u1ec5 s\u1edbm nh\u1ea5t c\u00f3 t\u1ec9 l\u1ec7 \u0111\u1ea1t \u0111\u1ebfn 80% c\u0169ng thu\u1ed9c v\u1ec1 2 nghi\u1ec7m th\u1ee9c n\u00e0y: 21 ng\u00e0y \u0111\u1ed1i v\u1edbi 100% \u0111\u1ea5t t\u1ea7ng B v\u00e0 24 ng\u00e0y v\u1edbi 100% c\u00e1t s\u00f4ng.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vào nh\u1eefng n\u0103m cu\u1ed1i th\u1eadp k\u1ef7 90 công ngh\u1ec7 s\u1ea3n xu\u1ea5t cây gi\u1ed1ng b\u1eb1ng mô hom ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng \u0111\u01b0\u1ee3c Nhà n\u01b0\u1edbc quan tâm \u0111\u1ea7u t\u01b0 m\u1ea1nh m\u1ebd. T\u1eeb nh\u1eefng k\u1ebft qu\u1ea3 ban \u0111\u1ea7u c\u1ee7a nh\u1eefng khu r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111àn, keo lai b\u1eb1ng mô hom cho th\u1ea5y ch\u1ea5t l\u01b0\u1ee3ng r\u1eebng tr\u1ed3ng \u0111ã \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, n\u0103ng su\u1ea5t r\u1eebng t\u0103ng lên \u0111áng k\u1ec3, t\u1eeb \u0111ó cây tr\u1ed3ng r\u1eebng b\u1eb1ng mô hom \u0111ã d\u1ea7n d\u1ea7n thay th\u1ebf cây tr\u1ed3ng r\u1eebng b\u1eb1ng h\u1ea1t \u1edf nhi\u1ec1u n\u01a1i trong c\u1ea3 n\u01b0\u1edbc. Tuy nhiên, nhu c\u1ea7u v\u1ec1 cây gi\u1ed1ng ph\u1ee5c v\u1ee5 tr\u1ed3ng r\u1eebng h\u1eb1ng n\u0103m thì quá l\u1edbn mà th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t cây hom thì ch\u01b0a th\u1ec3 \u0111áp \u1ee9ng \u0111\u1ee7. H\u1ea1n ch\u1ebf \u0111ó b\u1ecb chi ph\u1ed1i b\u1edfi c\u1ea3 hai m\u1eb7t v\u1ec1 qui mô s\u1ea3n xu\u1ea5t và giá thành s\u1ea3n ph\u1ea9m. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8786"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=8786"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8786\/revisions"}],"predecessor-version":[{"id":19077,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8786\/revisions\/19077"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}