{"id":9526,"date":"2011-04-06T01:59:37","date_gmt":"2011-04-05T18:59:37","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/04\/nhan-giong-xoan-ta-bang-phuong-phap-giam-hom-va-ghep-cay-mam\/"},"modified":"2013-10-06T09:02:12","modified_gmt":"2013-10-06T02:02:12","slug":"nhan-giong-xoan-ta-bang-phuong-phap-giam-hom-va-ghep-cay-mam","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nhan-giong-xoan-ta-bang-phuong-phap-giam-hom-va-ghep-cay-mam\/","title":{"rendered":"Nh\u00e2n gi\u1ed1ng Xoan ta b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m hom v\u00e0 gh\u00e9p c\u00e2y m\u1ea7m"},"content":{"rendered":"

\u0110o\u00e0n Th\u1ecb Mai, L\u00ea S\u01a1n<\/strong> <\/p>\n

Nguy\u1ec5n Th\u1ecb M\u1ef9 H\u01b0\u01a1ng, <\/strong>L\u01b0\u01a1ng Th\u1ecb Hoan v\u00e0 c\u00e1c c\u1ed9ng t\u00e1c vi\u00ean <\/strong> <\/p>\n

Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng<\/em>Vi\u1ec7n <\/em> <\/p>\n

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

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

Xoan ta (Melia azedarach<\/em> Linn) l\u00e0 lo\u00e0i c\u00e2y b\u1ea3n \u0111\u1ecba, m\u1ecdc nhanh \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u00e0 g\u00e2y tr\u1ed3ng \u1edf n\u01b0\u1edbc ta theo kinh nghi\u1ec7m d\u00e2n gian t\u1eeb l\u00e2u. Xoan ta c\u00f3 g\u1ed7 m\u00e0u n\u00e2u nh\u1ea1t, m\u1ec1m nh\u1eb9, \u00edt m\u1ed1i m\u1ecdt, v\u00ec v\u1eady g\u1ed7 Xoan \u0111\u00e3 \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u trong x\u00e2y d\u1ef1ng. Tr\u01b0\u1edbc nhu c\u1ea7u l\u1edbn v\u1ec1 g\u1ed7, c\u00f9ng v\u1edbi \u0111\u00f3 g\u1ed7 r\u1eebng t\u1ef1 nhi\u00ean ng\u00e0y c\u00e0ng khan hi\u1ebfm th\u00ec g\u1ed7 Xoan tr\u1edf n\u00ean c\u00f3 gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00e2n tr\u1ed3ng nhi\u1ec1u v\u00e0 t\u1eadp trung. Ch\u00ednh v\u00ec v\u1eady, Xoan ta \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 c\u00e2y tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu c\u1ee7a 6 tr\u00ean 9 v\u00f9ng sinh th\u00e1i l\u00e2m nghi\u1ec7p Vi\u1ec7t Nam (B\u1ed9 N\u00f4ng nghi\u1ec7p &PTNT, 2005). <\/p>\n

\u0110\u1ebfn nay c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 Xoan ta ch\u01b0a nhi\u1ec1u, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ecdn gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng. Xoan ta m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c tr\u1ed3ng ch\u1ee7 y\u1ebfu l\u00e0 t\u1eeb h\u1ea1t c\u1ee7a c\u00e1c c\u00e2y s\u1eb5n c\u00f3 \u1edf \u0111\u1ecba ph\u01b0\u01a1ng n\u00ean n\u0103ng su\u1ea5t v\u00e0 ph\u1ea9m ch\u1ea5t g\u1ed7 Xoan c\u00f2n r\u1ea5t h\u1ea1n ch\u1ebf.\u0110\u1ed1i v\u1edbi nhi\u1ec1u lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng gi\u00e1 tr\u1ecb cao hi\u1ec7n nay ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n gi\u1ed1ng sinh d\u01b0\u1ee1ng b\u1eb1ng gi\u00e2m hom \u0111\u00e3 \u0111\u01b0\u1ee3c coi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p nh\u00e2n gi\u1ed1ng hi\u1ec7u qu\u1ea3 cao v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u1edbi nhi\u1ec1u lo\u1ea1i c\u00e2y v\u00e0 nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi. \u1ede n\u01b0\u1edbc ta gi\u00e2m hom \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i v\u1edbi nhi\u1ec1u lo\u1ea1i c\u00e2y nh\u01b0 keo, b\u1ea1ch \u0111\u00e0n, th\u00f4ng <\/p>\n

\u0110\u1ee9ng tr\u01b0\u1edbc gi\u00e1 tr\u1ecb c\u1ee7a c\u00e2y Xoan ta c\u00f9ng v\u1edbi nhu c\u1ea7u v\u1ec1 g\u1ed7 th\u00ec v\u1ea5n \u0111\u1ec1 nghi\u00ean c\u1ee9u m\u1edf r\u1ed9ng nh\u00e2n gi\u1ed1ng, g\u00e2y tr\u1ed3ng lo\u00e0i Xoan ta l\u00e0 r\u1ea5t c\u1ea5p thi\u1ebft, c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ecdn gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng sinh d\u01b0\u1ee1ng cho Xoan ta \u0111\u00e3 b\u01b0\u1edbc \u0111\u1ea7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i Trung t\u00e2m Nghi\u00ean c\u1ee9u Gi\u1ed1ng c\u00e2y r\u1eebng. Sau 2 n\u0103m th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m v\u1ec1 nh\u00e2n gi\u1ed1ng cho \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p v\u00e0 gi\u00e2m hom \u0111\u00e3 cho nh\u1eefng k\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u. <\/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 65-71 )<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"

\nXoan ta (Melia azedarach<\/em> Linn) là loài cây b\u1ea3n \u0111\u1ecba, m\u1ecdc nhanh \u0111ã \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn và gây tr\u1ed3ng \u1edf n\u01b0\u1edbc ta theo kinh nghi\u1ec7m dân gian t\u1eeb lâu. Xoan ta có g\u1ed7 màu nâu nh\u1ea1t, m\u1ec1m nh\u1eb9, ít m\u1ed1i m\u1ecdt, vì v\u1eady g\u1ed7 Xoan \u0111ã \u0111\u01b0\u1ee3c dùng nhi\u1ec1u trong xây d\u1ef1ng. Tr\u01b0\u1edbc nhu c\u1ea7u l\u1edbn v\u1ec1 g\u1ed7, cùng v\u1edbi \u0111ó g\u1ed7 r\u1eebng t\u1ef1 nhiên ngày càng khan hi\u1ebfm thì g\u1ed7 Xoan tr\u1edf nên có giá tr\u1ecb \u0111\u01b0\u1ee3c ng\u01b0\u1eddi dân tr\u1ed3ng nhi\u1ec1u và t\u1eadp trung. Chính vì v\u1eady, Xoan ta \u0111ã \u0111\u01b0\u1ee3c xác \u0111\u1ecbnh là cây tr\u1ed3ng r\u1eebng s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu c\u1ee7a 6 trên 9 vùng sinh thái lâm nghi\u1ec7p Vi\u1ec7t Nam<\/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\/9526"}],"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=9526"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9526\/revisions"}],"predecessor-version":[{"id":10980,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9526\/revisions\/10980"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}