{"id":9556,"date":"2011-04-07T02:54:56","date_gmt":"2011-04-06T19:54:56","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/04\/ket-qua-chon-loc-cay-troi-va-khao-nghiem-dong-vo-tinh-so-bang-phuong-phap-ghep-doi-tan-o-nghia-dan-nghe-an\/"},"modified":"2015-05-19T14:36:17","modified_gmt":"2015-05-19T07:36:17","slug":"ket-qua-chon-loc-cay-troi-va-khao-nghiem-dong-vo-tinh-so-bang-phuong-phap-ghep-doi-tan-o-nghia-dan-nghe-an","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-chon-loc-cay-troi-va-khao-nghiem-dong-vo-tinh-so-bang-phuong-phap-ghep-doi-tan-o-nghia-dan-nghe-an\/","title":{"rendered":"K\u1ebft qu\u1ea3 ch\u1ecdn l\u1ecdc c\u00e2y tr\u1ed9i v\u00e0 kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh s\u1edf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p \u0111\u1ed5i t\u00e1n \u1edf Ngh\u0129a \u0110\u00e0n – Ngh\u1ec7 An"},"content":{"rendered":"

Ho\u00e0ng V\u0103n Th\u1eafng<\/strong><\/p>\n

Ph\u00f2ng Nghi\u00ean c\u1ee9u K\u1ef9 thu\u1eadt L\u00e2m sinh<\/em><\/p>\n

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

T\u00d3M T\u1eaeT<\/strong><\/p>\n

Sau 3 n\u0103m theo d\u00f5i v\u00e0 ch\u1ecdn l\u1ecdc, \u0111\u1ec1 t\u00e0i \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c 5 c\u00e2y tr\u1ed9i t\u1ea1i Ngh\u0129a L\u1ed9c – Ngh\u0129a \u0110\u00e0n – Ngh\u1ec7 An. \u0110\u00e2y l\u00e0 5 c\u00e2y tr\u1ed9i cho s\u1ea3n l\u01b0\u1ee3ng h\u1ea1t cao h\u01a1n t\u1eeb 20% v\u00e0 h\u00e0m l\u01b0\u1ee3ng d\u1ea7u cao h\u01a1n t\u1eeb 15% so v\u1edbi trung b\u00ecnh qu\u1ea7n th\u1ec3. K\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh S\u1edf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p \u0111\u1ed5i t\u00e1n cho th\u1ea5y sau 1 n\u0103m t\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a ch\u1ed3i gh\u00e9p l\u1ea5y t\u1eeb 5 c\u00e2y tr\u1ed9i n\u00f3i tr\u00ean \u0111\u1ea1t t\u1eeb 46,2-57,4%. Sinh tr\u01b0\u1edfng c\u1ee7a ch\u1ed3i gh\u00e9p l\u1ea5y t\u1eeb 5 c\u00e2y tr\u1ed9i sau 1 n\u0103m \u0111\u00e3 c\u00f3 s\u1ef1 kh\u00e1c nhau t\u01b0\u01a1ng \u0111\u1ed1i r\u00f5 r\u1ec7t (Sig <0,05). Sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao c\u1ee7a ch\u1ed3i gh\u00e9p l\u1ea5y t\u1eeb c\u00e2y tr\u1ed9i NA13 v\u00e0 NA15 \u0111\u1ea1t gi\u00e1 tr\u1ecb cao nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o c\u00f9ng m\u1ed9t nh\u00f3m trong khi \u0111\u00f3 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng c\u1ee7a ch\u1ed3i gh\u00e9p l\u1ea5y t\u1eeb c\u00e2y tr\u1ed9i NA1, NA6 v\u00e0 NA8 \u0111\u1ea1t th\u1ea5p h\u01a1n v\u00e0 c\u00f3 sinh tr\u01b0\u1edfng g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau. M\u1ee9c \u0111\u1ed9 ph\u00e2n h\u00f3a v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u cao v\u00e0 \u0111\u01b0\u1eddng k\u00ednh t\u00e1n c\u1ee7a ch\u1ed3i gh\u00e9p l\u1ea5y t\u1eeb d\u00f2ng NA1 \u0111\u1ec1u \u0111\u1ea1t cao nh\u1ea5t.<\/p>\n

T\u1eeb kh\u00f3a: <\/strong>C\u00e2y tr\u1ed9i, D\u00f2ng v\u00f4 t\u00ednh, Gh\u00e9p \u0111\u1ed5i t\u00e1n, Ch\u1ed3i gh\u00e9p<\/strong><\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong><\/p>\n

S\u1edf (Camellia sasanqua<\/em>) l\u00e0 m\u1ed9t trong nh\u1eefng lo\u00e0i c\u00e2y l\u00e2m s\u1ea3n ngo\u00e0i g\u1ed7 c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c tr\u1ed3ng tr\u00ean quy m\u00f4 l\u1edbn \u1edf huy\u1ec7n Ngh\u0129a \u0110\u00e0n t\u1ec9nh Ngh\u1ec7 An. Th\u1ef1c t\u1ebf cho th\u1ea5y vi\u1ec7c tr\u1ed3ng S\u1edf hi\u1ec7n nay \u1edf Ngh\u0129a \u0110\u00e0n ch\u1ee7 y\u1ebfu \u0111\u1ec1u \u0111ang s\u1eed d\u1ee5ng t\u1eeb c\u00e1c ngu\u1ed3n gi\u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc n\u00ean \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a r\u1eebng S\u1edf. Do v\u1eady vi\u1ec7c ch\u1ecdn l\u1ecdc c\u00e1c c\u00e2y tr\u1ed9i \u0111\u1ec3 l\u00e0m ngu\u1ed3n cung c\u1ea5p v\u1eadt li\u1ec7u gi\u1ed1ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao cho ng\u01b0\u1eddi d\u00e2n trong v\u00f9ng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. K\u1ebft qu\u1ea3 sau 3 n\u0103m nghi\u00ean c\u1ee9u, \u0111\u1ec1 t\u00e0i \u0111\u00e3 tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c 5 c\u00e2y tr\u1ed9i t\u1ea1i x\u00e3 Ngh\u0129a L\u1ed9c huy\u1ec7n Ngh\u0129a \u0110\u00e0n t\u1ec9nh Ngh\u1ec7 An. \u0110\u00e2y l\u00e0 c\u00e1c c\u00e2y tr\u1ed9i cho n\u0103ng su\u1ea5t h\u1ea1t, h\u00e0m l\u01b0\u1ee3ng d\u1ea7u cao v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh. Song song v\u1edbi kh\u1ea3o nghi\u1ec7m h\u1eadu th\u1ebf \u0111\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfn h\u00e0nh kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p \u0111\u1ed5i t\u00e1n nh\u1eb1m ch\u1ecdn \u0111\u01b0\u1ee3c nh\u1eefng d\u00f2ng c\u00f3 t\u00ednh \u01b0u vi\u1ec7t v\u1ec1 n\u0103ng su\u1ea5t h\u1ea1t v\u00e0 h\u00e0m l\u01b0\u1ee3ng d\u1ea7u. Do th\u1eddi gian nghi\u00ean c\u1ee9u c\u00f2n ng\u1eafn n\u00ean b\u00e0i vi\u1ebft n\u00e0y ch\u1ec9 tr\u00ecnh b\u00e0y c\u00e1c k\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u v\u1ec1 ch\u1ecdn l\u1ecdc c\u00e2y tr\u1ed9i v\u00e0 kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh 5 c\u00e2y tr\u1ed9i t\u1ea1i Ngh\u0129a L\u1ed9c – Ngh\u0129a \u0110\u00e0n – Ngh\u1ec7 An. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3o nghi\u1ec7m nhanh mang l\u1ea1i k\u1ebft qu\u1ea3 v\u00e0 d\u1ec5 d\u00e0ng \u00e1p d\u1ee5ng trong th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t.<\/p>\n

(T\u1ea1p ch\u00ed Khoa h\u1ecdc L\u00e2m nghi\u1ec7p s\u1ed1 3 n\u0103m 2010, trang 1315-1319)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\nSau 3 n\u0103m theo dõi và ch\u1ecdn l\u1ecdc, \u0111\u1ec1 tài \u0111ã ch\u1ecdn \u0111\u01b0\u1ee3c 5 cây tr\u1ed9i t\u1ea1i Ngh\u0129a L\u1ed9c – Ngh\u0129a \u0110àn – Ngh\u1ec7 An. \u0110ây là 5 cây tr\u1ed9i cho s\u1ea3n l\u01b0\u1ee3ng h\u1ea1t cao h\u01a1n t\u1eeb 20% và hàm l\u01b0\u1ee3ng d\u1ea7u cao h\u01a1n t\u1eeb 15% so v\u1edbi trung bình qu\u1ea7n th\u1ec3. K\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m dòng vô tính S\u1edf b\u1eb1ng ph\u01b0\u01a1ng pháp ghép \u0111\u1ed5i tán cho th\u1ea5y sau 1 n\u0103m t\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a ch\u1ed3i ghép l\u1ea5y t\u1eeb 5 cây tr\u1ed9i nói trên \u0111\u1ea1t t\u1eeb 46,2-57,4%. Sinh tr\u01b0\u1edfng c\u1ee7a ch\u1ed3i ghép l\u1ea5y t\u1eeb 5 cây tr\u1ed9i sau 1 n\u0103m \u0111ã có s\u1ef1 khác nhau t\u01b0\u01a1ng \u0111\u1ed1i rõ r\u1ec7t (Sig <0,05). Sinh tr\u01b0\u1edfng v\u1ec1 \u0111\u01b0\u1eddng kính và chi\u1ec1u cao c\u1ee7a ch\u1ed3i ghép l\u1ea5y t\u1eeb cây tr\u1ed9i NA13 và NA15 \u0111\u1ea1t giá tr\u1ecb cao nh\u1ea5t và \u0111\u01b0\u1ee3c x\u1ebfp vào cùng m\u1ed9t nhóm trong khi \u0111ó kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng c\u1ee7a ch\u1ed3i ghép l\u1ea5y t\u1eeb cây tr\u1ed9i NA1, NA6 và NA8 \u0111\u1ea1t th\u1ea5p h\u01a1n và có sinh tr\u01b0\u1edfng g\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau. <\/span><\/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\/9556"}],"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=9556"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9556\/revisions"}],"predecessor-version":[{"id":15288,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9556\/revisions\/15288"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9556"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}