{"id":9077,"date":"2009-04-20T08:31:04","date_gmt":"2009-04-20T01:31:04","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/ket-qua-giam-hom-tra-hoa-vang-ba-vi-camellia-tonkinensis-va-tra-hoa-vang-son-dong-camellia-euphlebia\/"},"modified":"2013-10-06T09:01:17","modified_gmt":"2013-10-06T02:01:17","slug":"ket-qua-giam-hom-tra-hoa-vang-ba-vi-camellia-tonkinensis-va-tra-hoa-vang-son-dong-camellia-euphlebia","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ket-qua-giam-hom-tra-hoa-vang-ba-vi-camellia-tonkinensis-va-tra-hoa-vang-son-dong-camellia-euphlebia\/","title":{"rendered":"K\u1ebft qu\u1ea3 gi\u00e2m hom Tr\u00e0 hoa v\u00e0ng Ba V\u00ec (Camellia tonkinensis) v\u00e0 Tr\u00e0 hoa v\u00e0ng S\u01a1n \u0110\u1ed9ng (Camellia euphlebia)"},"content":{"rendered":"\n

Ng\u00f4 Quang \u0110\u00ea<\/strong> <\/p>\n

L\u00ea Thanh S\u01a1n, \u0110inh Th\u1ecb L\u00ea<\/strong> <\/p>\n

Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n

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

C\u00e1c ho\u00e1 ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e2m hom 2 lo\u00e0i tr\u00e0 hoa v\u00e0ng Ba V\u00ec v\u00e0 S\u01a1n \u0110\u1ed9ng l\u00e0 IAA, NAA, IBA v\u00e0 ABT1<\/sub> v\u1edbi n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng l\u00e0 50, 100, 200ppm, th\u1eddi gian x\u1eed l\u00fd l\u00e0 60 ph\u00fat. K\u1ebft qu\u1ea3 cho th\u1ea5y t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ho\u00e1 ch\u1ea5t \u0111\u1ec1u gi\u00fap hom ra r\u1ec5 thu\u1eadn l\u1ee3i. Tr\u00e0 hoa v\u00e0ng Ba V\u00ec c\u00f3 t\u1ec9 l\u1ec7 ra r\u1ec5 30-77,8%; t\u1ef7 l\u1ec7 s\u1ed1ng (bao g\u1ed3m c\u1ea3 c\u00e2y ra r\u1ec5 v\u00e0 c\u00e2y ra m\u00f4 s\u1eb9o) \u0111\u1ea1t 72-97%. Tr\u00e0 hoa v\u00e0ng S\u01a1n \u0110\u1ed9ng c\u00f3 t\u1ef7 l\u1ec7 ra r\u1ec5 \u0111\u1ea1t 61-80%, t\u1ef7 l\u1ec7 c\u00e2y s\u1ed1ng (g\u1ed3m c\u1ea3 c\u00e2y ra r\u1ec5 v\u00e0 ra m\u00f4 s\u1eb9o) \u0111\u1ea1t 94%-100%. Hom ng\u1ecdn (\u0111\u1ea7u c\u00e0nh), hom d\u01b0\u1edbi ng\u1ecdn, hom cu\u1ed1i c\u00e0nh (g\u1ea7n g\u1ed1c c\u00e0nh) cho k\u1ebft qu\u1ea3 ra r\u1ec5 v\u00e0 t\u1ec9 l\u1ec7 s\u1ed1ng t\u01b0\u01a1ng t\u1ef1 nhau. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3 3 \u0111o\u1ea1n hom \u0111\u1ec3 nh\u00e2n gi\u1ed1ng nh\u1eb1m n\u00e2ng cao h\u1ec7 s\u1ed1, nh\u00e2n v\u00e0 gi\u00e2m hom v\u1ee5 Xu\u00e2n t\u1ed1t h\u01a1n v\u1ee5 Thu. <\/p>\n

T\u1eeb kho\u00e1<\/strong>: Gi\u00e2m hom, Tr\u00e0 hoa v\u00e0ng. <\/p>\n

M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n

Tr\u00e0 Hoa V\u00e0ng l\u00e0 lo\u00e0i c\u00e2y qu\u00fd hi\u1ebfm, c\u00f3 nhi\u1ec1u gi\u00e1 tr\u1ecb \u0111\u1ec3 s\u1eed d\u1ee5ng nh\u01b0 l\u1ea5y g\u1ed7, c\u00f3 th\u1ec3 l\u00e0m c\u00e2y tr\u1ed3ng t\u1ea7ng d\u01b0\u1edbi \u1edf c\u00e1c \u0111ai r\u1eebng ph\u00f2ng h\u1ed9, tr\u1ed3ng l\u00e0m c\u00e2y c\u1ea3nh v\u00e0 l\u00e0m \u0111\u1ed3 u\u1ed1ng cao c\u1ea5p, c\u00f3 t\u00e1c d\u1ee5ng ph\u00f2ng v\u00e0 ch\u1ed1ng c\u00e1c b\u1ec7nh huy\u1ebft \u00e1p, tim m\u1ea1ch, ti\u1ec3u \u0111\u01b0\u1eddng, u b\u01b0\u1edbu (Zhu Ji Yu, Shen Fei Lai, 2006). <\/p>\n

Trong khu\u00f4n kh\u1ed5 \u0111\u1ec1 t\u00e0i “Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng b\u1ea3o t\u1ed3n ngo\u1ea1i vi v\u00e0 nh\u00e2n gi\u1ed1ng m\u1ed9t s\u1ed1 lo\u00e0i tr\u00e0 hoa v\u00e0ng nh\u1eb1m b\u1ea3o v\u1ec7 v\u00e0 ph\u00e1t tri\u1ec3n” ch\u00fang t\u00f4i \u0111\u00e3 ti\u1ebfn h\u00e0nh gi\u00e2m hom 2 lo\u00e0i c\u00e2y tr\u00ean nh\u1eb1m t\u00ecm hi\u1ec3u kh\u1ea3 n\u0103ng nh\u00e2n gi\u1ed1ng hom c\u1ee7a Tr\u00e0 hoa v\u00e0ng (lo\u1ea1iho\u00e1 ch\u1ea5t, n\u1ed3ng \u0111\u1ed9, m\u00f9a v\u1ee5 gi\u00e2m hom v\u00e0 lo\u1ea1i hom) \u0111\u1ec3 \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t. <\/p>\n

C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/a><\/strong> <\/p>\n","protected":false},"excerpt":{"rendered":"

\n \n<\/p>\n

\nCác hoá ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 giâm hom 2 loài trà hoa vàng Ba Vì và S\u01a1n \u0110\u1ed9ng là IAA, NAA, IBA và ABT1<\/sub> v\u1edbi n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng là 50, 100, 200ppm, th\u1eddi gian x\u1eed lý là 60 phút. K\u1ebft qu\u1ea3 cho th\u1ea5y t\u1ea5t c\u1ea3 các lo\u1ea1i hoá ch\u1ea5t \u0111\u1ec1u giúp hom ra r\u1ec5 thu\u1eadn l\u1ee3i. Trà hoa vàng Ba Vì có t\u1ec9 l\u1ec7 ra r\u1ec5 30-77,8%; t\u1ef7 l\u1ec7 s\u1ed1ng (bao g\u1ed3m c\u1ea3 cây ra r\u1ec5 và cây ra mô s\u1eb9o) \u0111\u1ea1t 72-97%. Trà hoa vàng S\u01a1n \u0110\u1ed9ng có t\u1ef7 l\u1ec7 ra r\u1ec5 \u0111\u1ea1t 61-80%, t\u1ef7 l\u1ec7 cây s\u1ed1ng (g\u1ed3m c\u1ea3 cây ra r\u1ec5 và ra mô s\u1eb9o) \u0111\u1ea1t 94%-100%. Hom ng\u1ecdn (\u0111\u1ea7u cành), hom d\u01b0\u1edbi ng\u1ecdn, hom cu\u1ed1i cành (g\u1ea7n g\u1ed1c cành) cho k\u1ebft qu\u1ea3 ra r\u1ec5 và t\u1ec9 l\u1ec7 s\u1ed1ng t\u01b0\u01a1ng t\u1ef1 nhau. Có th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3 3 \u0111o\u1ea1n hom \u0111\u1ec3 nhân gi\u1ed1ng nh\u1eb1m nâng cao h\u1ec7 s\u1ed1, nhân và giâm hom v\u1ee5 Xuân t\u1ed1t h\u01a1n v\u1ee5 Thu.<\/font><\/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\/9077"}],"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=9077"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9077\/revisions"}],"predecessor-version":[{"id":10531,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9077\/revisions\/10531"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}