{"id":9370,"date":"2010-02-24T07:45:49","date_gmt":"2010-02-24T00:45:49","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/02\/nghien-cuu-moi-quan-he-giua-hinh-thai-vo-qua-voi-chat-luong-hat-giong-loai-de-anh-castanopsis-piriformis\/"},"modified":"2015-05-19T14:32:41","modified_gmt":"2015-05-19T07:32:41","slug":"nghien-cuu-moi-quan-he-giua-hinh-thai-vo-qua-voi-chat-luong-hat-giong-loai-de-anh-castanopsis-piriformis","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-moi-quan-he-giua-hinh-thai-vo-qua-voi-chat-luong-hat-giong-loai-de-anh-castanopsis-piriformis\/","title":{"rendered":"Nghi\u00ean c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa h\u00ecnh th\u00e1i v\u1ecf qu\u1ea3 v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng lo\u00e0i D\u1ebb anh (Castanopsis piriformis)"},"content":{"rendered":"

T\u1ea2I TO\u00c0N B\u1ed8 B\u00c0I B\u00c1O<\/a><\/p>\n

Nguy\u1ec5n To\u00e0n Th\u1eafng, Tr\u1ea7n L\u00e2m \u0110\u1ed3ng<\/strong><\/em><\/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><\/p>\n

L\u01b0\u01a1ng V\u0103n D\u0169ng<\/strong><\/p>\n

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc \u0110\u00e0 L\u1ea1t<\/em><\/p>\n

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

D\u1ebb anh (Castanopsis piriformis<\/em>) l\u00e0 lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba \u0111a t\u00e1c d\u1ee5ng, g\u1ed7 d\u00f9ng trong x\u00e2y d\u1ef1ng, \u0111\u1ed3 m\u1ed9c, \u0111\u1ed3 gia d\u1ee5ng v\u00e0 h\u1ea1t l\u00e0 th\u1ef1c ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb. Nghi\u00ean c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa h\u00ecnh th\u00e1i v\u1ecf qu\u1ea3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng D\u1ebb anh l\u00e0 c\u1ea7n thi\u1ebft l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m thu h\u00e1i h\u1ea1t gi\u1ed1ng c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1eb1m n\u00e2ng cao ph\u1ea9m ch\u1ea5t gieo \u01b0\u01a1m. Th\u00ed nghi\u1ec7m b\u1ed1 tr\u00ed v\u1edbi 3 h\u00ecnh th\u00e1i v\u1ecf qu\u1ea3: (i) v\u1ecf qu\u1ea3 xanh; (ii) v\u1ecf qu\u1ea3 ch\u00edn v\u00e0 (iii) v\u1ecf qu\u1ea3 b\u1eaft \u0111\u1ea7u n\u1ee9t. C\u00e1c ch\u1ec9 ti\u00eau \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng g\u1ed3m: K\u00edch th\u01b0\u1edbc h\u1ea1t; \u0110\u1ed9 thu\u1ea7n; Kh\u1ed1i l\u01b0\u1ee3ng 1.000 h\u1ea1t; T\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m v\u00e0 Kh\u1ed1i l\u01b0\u1ee3ng qu\u1ea3 v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng nh\u00e2n tr\u1eafng. K\u1ebft qu\u1ea3 ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai cho th\u1ea5y r\u1eb1ng c\u00e1c h\u00ecnh th\u00e1i v\u1ecf qu\u1ea3 kh\u00e1c nhau \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng r\u00f5 r\u1ec7t \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng, \u0111\u00e2y ch\u00ednh l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 \u0111\u1ec1 xu\u1ea5t th\u1eddi \u0111i\u1ec3m thu h\u00e1i h\u1ea1t gi\u1ed1ng D\u1ebb anh. Th\u1eddi \u0111i\u1ec3m thu h\u00e1i h\u1ea1t gi\u1ed1ng D\u1ebb anh th\u00edch h\u1ee3p nh\u1ea5t l\u00e0 giai \u0111o\u1ea1n v\u1ecf qu\u1ea3 ch\u00edn, th\u1eddi \u0111i\u1ec3m n\u00e0y \u0111\u01b0\u1eddng k\u00ednh h\u1ea1t trung b\u00ecnh 22,9 – 24,7mm, \u0111\u1ed9 d\u00e0y 17,1 – 17,9mm, \u0111\u1ed9 thu\u1ea7n t\u1eeb 84,1 – 87,1%, kh\u1ed1i l\u01b0\u1ee3ng 1.000 h\u1ea1t trung b\u00ecnh kho\u1ea3ng 4.334,6 – 4.537,4g v\u00e0 t\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m kh\u00e1 cao \u0111\u1ea1t 78%. D\u1ebb anh kh\u00f4ng n\u00ean thu h\u00e1i h\u1ea1t gi\u1ed1ng v\u00e0o th\u1eddi \u0111i\u1ec3m v\u1ecf qu\u1ea3 c\u00f2n xanh v\u00e0 v\u1ecf qu\u1ea3 b\u1eaft \u0111\u1ea7u n\u1ee9t.<\/p>\n

T\u1eeb kh\u00f3a<\/strong>: D\u1ebb anh, H\u00ecnh th\u00e1i qu\u1ea3, Ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t.<\/p>\n","protected":false},"excerpt":{"rendered":"

\nD\u1ebb anh (Castanopsis piriformis<\/em>) là loài cây b\u1ea3n \u0111\u1ecba \u0111a tác d\u1ee5ng, g\u1ed7 dùng trong xây d\u1ef1ng, \u0111\u1ed3 m\u1ed9c, \u0111\u1ed3 gia d\u1ee5ng và h\u1ea1t là th\u1ef1c ph\u1ea9m có giá tr\u1ecb. Nghiên c\u1ee9u m\u1ed1i quan h\u1ec7 gi\u1eefa hình thái v\u1ecf qu\u1ea3 và ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng D\u1ebb anh là c\u1ea7n thi\u1ebft làm c\u01a1 s\u1edf \u0111\u1ec3 xác \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m thu hái h\u1ea1t gi\u1ed1ng có hi\u1ec7u qu\u1ea3 nh\u1eb1m nâng cao ph\u1ea9m ch\u1ea5t gieo \u01b0\u01a1m. Thí nghi\u1ec7m b\u1ed1 trí v\u1edbi 3 hình thái v\u1ecf qu\u1ea3: (i) v\u1ecf qu\u1ea3 xanh; (ii) v\u1ecf qu\u1ea3 chín và (iii) v\u1ecf qu\u1ea3 b\u1eaft \u0111\u1ea7u n\u1ee9t. Các ch\u1ec9 tiêu \u0111ánh giá ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng g\u1ed3m: Kích th\u01b0\u1edbc h\u1ea1t; \u0110\u1ed9 thu\u1ea7n; Kh\u1ed1i l\u01b0\u1ee3ng 1.000 h\u1ea1t; T\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m và Kh\u1ed1i l\u01b0\u1ee3ng qu\u1ea3 v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t và kh\u1ed1i l\u01b0\u1ee3ng nhân tr\u1eafng. K\u1ebft qu\u1ea3 phân tích ph\u01b0\u01a1ng sai cho th\u1ea5y r\u1eb1ng các hình thái v\u1ecf qu\u1ea3 khác nhau \u0111ã \u1ea3nh h\u01b0\u1edfng rõ r\u1ec7t \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng h\u1ea1t gi\u1ed1ng, \u0111ây chính là c\u01a1 s\u1edf \u0111\u1ec3 \u0111\u1ec1 xu\u1ea5t th\u1eddi \u0111i\u1ec3m thu hái h\u1ea1t gi\u1ed1ng D\u1ebb anh. <\/strong><\/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\/9370"}],"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=9370"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9370\/revisions"}],"predecessor-version":[{"id":13006,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9370\/revisions\/13006"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}