{"id":9530,"date":"2011-04-06T02:18:58","date_gmt":"2011-04-05T19:18:58","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/04\/nhan-giong-tai-chua-bang-phuong-phap-ghep\/"},"modified":"2013-10-06T09:02:12","modified_gmt":"2013-10-06T02:02:12","slug":"nhan-giong-tai-chua-bang-phuong-phap-ghep","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nhan-giong-tai-chua-bang-phuong-phap-ghep\/","title":{"rendered":"Nh\u00e2n gi\u1ed1ng Tai chua b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p"},"content":{"rendered":"

\u0110\u1eb7ng Quang H\u01b0ng, Nguy\u1ec5n B\u00e1 Tri\u1ec7u, Nguy\u1ec5n Xu\u00e2n Nam<\/strong> <\/p>\n

Trung t\u00e2m \u1ee8ng d\u1ee5ng KHKT L\u00e2m nghi\u1ec7p<\/em> <\/p>\n

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

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

C\u00e2y Tai chua (Garcinia cowa<\/em> Roxb), ngo\u00e0i gi\u00e1 tr\u1ecb v\u1ec1 g\u1ed7 c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 lo\u00e0i c\u00e2y cung c\u1ea5p qu\u1ea3 c\u00f3 v\u1ecb chua, l\u00e0m gia v\u1ecb cho nhi\u1ec1u m\u00f3n \u0103n truy\u1ec1n th\u1ed1ng trong b\u1eefa \u0103n h\u00e0ng ng\u00e0y c\u1ee7a ng\u01b0\u1eddi d\u00e2n. V\u00ec v\u1eady vi\u1ec7c t\u1ea1o ra gi\u1ed1ng c\u00e2y Tai chua gh\u00e9p mang to\u00e0n b\u1ed9 \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n c\u1ee7a c\u00e2y m\u1eb9 (sai qu\u1ea3) l\u1ea1i r\u00fat ng\u1eafn \u0111\u01b0\u1ee3c th\u1eddi gian cho qu\u1ea3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p c\u1ea7n thi\u1ebft \u0111\u1ec3 cung c\u1ea5p c\u00e2y gi\u1ed1ng ph\u1ee5c v\u1ee5 nhu c\u1ea7u tr\u1ed3ng v\u00e0 ph\u00e1t tri\u1ec3n c\u00e2y tai chua, t\u1eeb \u0111\u00f3 g\u00f3p ph\u1ea7n n\u00e2ng cao thu nh\u1eadp cho ng\u01b0\u1eddi d\u00e2n. <\/p>\n

Nghi\u00ean c\u1ee9u cho th\u1ea5y, ngo\u00e0i ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n gi\u1ed1ng truy\u1ec1n th\u1ed1ng b\u1eb1ng h\u1ea1t, c\u00e2y Tai chua c\u00f2n c\u00f3 th\u1ec3 nh\u00e2n gi\u1ed1ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m hom, chi\u1ebft c\u00e0nh v\u00e0 gh\u00e9p. Tuy nhi\u00ean ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m hom cho t\u1ef7 l\u1ec7 ra r\u1ec5 th\u1ea5p, ph\u01b0\u01a1ng ph\u00e1p chi\u1ebft c\u00e0nh c\u0169ng c\u00f3 t\u1ef7 l\u1ec7 ra r\u1ec5 th\u1ea5p l\u1ea1i kh\u00f3 th\u1ef1c hi\u1ec7n v\u00ec c\u00e1c c\u00e2y m\u1eb9 th\u01b0\u1eddng cao, to. Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p c\u00e0nh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ec5 ti\u1ebfn h\u00e0nh, cho t\u1ef7 l\u1ec7 s\u1ed1ng t\u01b0\u01a1ng \u0111\u1ed1i cao, l\u1ea1i v\u1eeba t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c s\u1ee9c s\u1ed1ng tr\u1ebb c\u1ee7a c\u00e2y g\u1ed1c gh\u00e9p, v\u1eeba gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n t\u1ed1t c\u1ee7a c\u00e0nh gh\u00e9p. <\/p>\n

Trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9uk\u1ef9 thu\u1eadt tr\u1ed3ng c\u00e2y Tai chua (Garcinia cowa<\/em> Roxb) \u0111\u1ec3 l\u1ea5y qu\u1ea3”, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a \u0111\u1ec1 t\u00e0i \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 c\u00e2y tr\u1ed9i Tai chua c\u00f3 n\u0103ng su\u1ea5t cao v\u00e0 \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 l\u00e0m c\u00e2y m\u1eb9 cung c\u1ea5p v\u1eadt li\u1ec7u gi\u1ed1ng. <\/p>\n

II. V\u1eacT LI\u1ec6U V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/strong> <\/p>\n

V\u1eadt li\u1ec7u gh\u00e9p:<\/strong> <\/p>\n

G\u1ed1c gh\u00e9p l\u00e0 c\u00e2y Tai chua gieo t\u1eeb h\u1ea1t10-12 th\u00e1ng tu\u1ed5i D00<\/sub>: 0.7-1,5cm.C\u00e0nh gh\u00e9p: \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c c\u00e2y Tai chua m\u1eb9 (tr\u1ed9i v\u1ec1 s\u1ea3n l\u01b0\u1ee3ng qu\u1ea3) \u0111\u00e3 \u0111\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn. <\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/strong>: <\/p>\n

S\u1eed d\u1ee5ng 3 ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p l\u00e0: gh\u00e9p n\u00eam, gh\u00e9p n\u1ed1i ti\u1ebfp v\u00e0 gh\u00e9p \u00e1p. S\u1ed1 l\u01b0\u1ee3ng c\u00e2y gh\u00e9p cho m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p l\u00e0 30 c\u00e2y, l\u1eb7p 3 l\u1ea7n. Th\u1eddi gian gh\u00e9p l\u00e0 4 m\u00f9a trong n\u0103m. S\u1ed1 li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c s\u1eed l\u00fd b\u1eb1ng ph\u1ea7n m\u1ec1m SPSS v\u00e0 Excel. <\/p>\n

(K\u1ef7 y\u1ebfu H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p khu v\u1ef1c ph\u00eda B\u1eafc trang 82-85)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

\nCây Tai chua (Garcinia cowa<\/em> Roxb), ngoài giá tr\u1ecb v\u1ec1 g\u1ed7 còn \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn là loài cây cung c\u1ea5p qu\u1ea3 có v\u1ecb chua, làm gia v\u1ecb cho nhi\u1ec1u món \u0103n truy\u1ec1n th\u1ed1ng trong b\u1eefa \u0103n hàng ngày c\u1ee7a ng\u01b0\u1eddi dân. Vì v\u1eady vi\u1ec7c t\u1ea1o ra gi\u1ed1ng cây Tai chua ghép mang toàn b\u1ed9  <\/span>\u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n c\u1ee7a cây m\u1eb9 (sai qu\u1ea3) l\u1ea1i rút ng\u1eafn \u0111\u01b0\u1ee3c th\u1eddi gian cho qu\u1ea3 là m\u1ed9t gi\u1ea3i pháp c\u1ea7n thi\u1ebft \u0111\u1ec3 cung c\u1ea5p cây gi\u1ed1ng ph\u1ee5c v\u1ee5 nhu c\u1ea7u tr\u1ed3ng và phát tri\u1ec3n cây tai chua, t\u1eeb \u0111ó góp ph\u1ea7n  <\/span>nâng cao thu  <\/span>nh\u1eadp cho ng\u01b0\u1eddi dân. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9530"}],"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=9530"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9530\/revisions"}],"predecessor-version":[{"id":10984,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9530\/revisions\/10984"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}