{"id":21226,"date":"2021-08-31T09:17:27","date_gmt":"2021-08-31T02:17:27","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?page_id=21226"},"modified":"2021-08-31T09:17:27","modified_gmt":"2021-08-31T02:17:27","slug":"ky-thuat-nhan-giong-hom-canh-tre-ngot-dendrocalamus-brandisii-munro-kurz","status":"publish","type":"page","link":"https:\/\/vafs.gov.vn\/vn\/ky-thuat-nhan-giong-hom-canh-tre-ngot-dendrocalamus-brandisii-munro-kurz\/","title":{"rendered":"K\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng hom c\u00e0nh Tre ng\u1ecdt (Dendrocalamus brandisii (Munro) Kurz)"},"content":{"rendered":"<p><strong>TH\u00d4NG TIN CHUNG<\/strong><\/p>\n<ul>\n<li>C\u00f4ng nh\u1eadn t\u1ea1i Quy\u1ebft \u0111\u1ecbnh s\u1ed1 295\/Q\u0110-TCLN-KH&amp;HTQT c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p ng\u00e0y 28 th\u00e1ng 8 n\u0103m 2020.<\/li>\n<li>T\u00e1c gi\u1ea3: Nguy\u1ec5n V\u0103n Th\u1ecd, Nguy\u1ec5n Anh D\u0169ng, Nguy\u1ec5n Th\u1ecb \u00c1nh Nguy\u1ec7t, Nguy\u1ec5n Vi\u1ec5n, Ph\u1ea1m Quang Ti\u1ebfn, Nguy\u1ec5n Anh Duy.<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td><strong>N\u1ed8I DUNG CH\u00cdNH<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>K\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng hom c\u00e0nh c\u00e2y Tre ng\u1ecdt (c\u00f2n g\u1ecdi l\u00e0 m\u0103ng ng\u1ecdt, h\u1ea3o cam, n\u00f3 van, c\u00f3 t\u00ean khoa h\u1ecdc l\u00e0 <em>Dendrocalamus brandisii <\/em>(Munro) Kurz) g\u1ed3m c\u00e1c n\u1ed9i dung k\u1ef9 thu\u1eadt sau: ti\u00eau chu\u1ea9n ch\u1ecdn c\u00e2y m\u1eb9 v\u00e0 hom c\u00e0nh, th\u1eddi v\u1ee5, k\u1ef9 thu\u1eadt c\u1eaft v\u00e0 x\u1eed l\u00fd thu\u1ed1c k\u00edch ra r\u1ec5 hom c\u00e0nh, ch\u0103m s\u00f3c c\u00e2y hom v\u00e0 ti\u00eau chu\u1ea9n c\u00e2y con xu\u1ea5t v\u01b0\u1eddn. C\u00e1c n\u1ed9i dung c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 sau:<\/p>\n<h3><a name=\"_Toc70512216\"><\/a>1. Ti\u00eau chu\u1ea9n ch\u1ecdn c\u00e2y m\u1eb9 v\u00e0 hom c\u00e0nh l\u00e0m gi\u1ed1ng<\/h3>\n<ul>\n<li>Ti\u00eau chu\u1ea9n c\u00e2y m\u1eb9 l\u1ea5y hom c\u00e0nh: Hom c\u00e0nh \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb v\u01b0\u1eddn s\u01b0u t\u1eadp gi\u1ed1ng ho\u1eb7c c\u00e1c b\u1ee5i Tre ng\u1ecdt 3 tu\u1ed5i tr\u1edf l\u00ean. C\u00e2y m\u1eb9 l\u1ea5y hom c\u00e0nh c\u00f3 sinh tr\u01b0\u1edfng t\u1ed1t kh\u00f4ng b\u1ecb s\u00e2u, b\u1ec7nh h\u1ea1i v\u00e0 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng khuy.<\/li>\n<li>Ti\u00eau chu\u1ea9n hom c\u00e0nh: Hom c\u00e0nh d\u00e0i 35-50 cm g\u1ed3m g\u1ed1c c\u00e0nh v\u00e0 \u0111o\u1ea1n c\u00e0nh ti\u1ebfp gi\u00e1p v\u1edbi g\u1ed1c c\u00e0nh, c\u00f3 m\u1eaft ng\u1ee7, g\u1ed1c c\u00e0nh kh\u00f4ng b\u1ecb s\u00e2u, kh\u00f4 ho\u1eb7c th\u1ed1i; \u0111\u01b0\u1eddng k\u00ednh c\u00e0nh \u1edf n\u01a1i ti\u1ebfp gi\u00e1p v\u1edbi g\u1ed1c c\u00e0nh ph\u1ea3i \u0111\u1ea1t t\u1eeb 1,0 cm tr\u1edf l\u00ean; hom c\u00e0nh \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c c\u00e0nh b\u00e1nh t\u1ebb (3-6 th\u00e1ng tu\u1ed5i), t\u1ea5t c\u1ea3 c\u00e0nh th\u1ee9 c\u1ea5p c\u1ee7a hom c\u00e0nh \u0111\u00e3 ra l\u00e1.<\/li>\n<\/ul>\n<h3><a name=\"_Toc70512217\"><\/a>2. Th\u1eddi v\u1ee5<\/h3>\n<p>V\u1ee5 xu\u00e2n ( th\u00e1ng 2 \u0111\u1ebfn th\u00e1ng 4 h\u1eb1ng n\u0103m )<\/p>\n<h3><a name=\"_Toc70512218\"><\/a>3. K\u1ef9 thu\u1eadt c\u1eaft hom c\u00e0nh<\/h3>\n<ul>\n<li>D\u00f9ng dao c\u1eaft b\u1ecf ph\u1ea7n ph\u00eda tr\u00ean c\u1ee7a c\u00e0nh \u0111\u1ec3 l\u1ea1i hom c\u00e0nh c\u00f3 chi\u1ec1u d\u00e0i 35-50 cm v\u00e0 c\u1eaft ng\u1eafn c\u00e1c c\u00e0nh th\u1ee9 c\u1ea5p.<\/li>\n<li>D\u00f9ng c\u01b0a ph\u1ea7n ti\u1ebfp gi\u00e1p c\u1ee7 c\u00e0nh v\u00e0 th\u00e2n c\u00e2y m\u1eb9 t\u1eeb d\u01b0\u1edbi l\u00ean v\u1edbi \u0111\u1ed9 s\u00e2u t\u1eeb 0,5-1cm, r\u1ed3i ti\u1ebfn h\u00e0nh c\u01b0a t\u1eeb tr\u00ean xu\u1ed1ng cho \u0111\u1ebfn khi \u0111\u1ee9t h\u1ebft ph\u1ea7n ti\u1ebfp gi\u00e1p n\u00e0y \u0111\u1ec3 thu l\u1ea5y hom c\u00e0nh.<\/li>\n<\/ul>\n<h3><a name=\"_Toc70512219\"><\/a>4. X\u1eed l\u00fd thu\u1ed1c k\u00edch ra r\u1ec5 hom c\u00e0nh<\/h3>\n<p>Hom c\u00e0nh \u0111\u01b0a v\u1ec1 v\u01b0\u1eddn \u01b0\u01a1m \u0111\u01b0\u1ee3c b\u00f3c b\u1ecf h\u1ebft b\u1eb9 mo \u1edf g\u1ed1c c\u00e0nh v\u00e0 c\u1eaft r\u1ec5 (n\u1ebfu c\u00f3) s\u00e1t g\u1ed1c c\u00e0nh. Ti\u1ebfn h\u00e0nh x\u1eed l\u00fd n\u1ea5m hom c\u00e0nh c\u00e0nh b\u1eb1ng dung d\u1ecbch VibenC n\u1ed3ng \u0111\u1ed9 0,3% trong th\u1eddi gian 15 ph\u00fat.\u00a0 Sau \u0111\u00f3 ti\u1ebfn h\u00e0nh \u0111\u1eb7t hom c\u00e0nh theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng v\u00e0o dung d\u1ecbch thu\u1ed1c k\u00edch ra r\u1ec5 NAA 100 ppm trong 8 gi\u1edd, sao cho g\u1ed1c c\u00e0nh ng\u1eadp k\u00edn trong dung d\u1ecbch.<\/p>\n<h3><a name=\"_Toc70512220\"><\/a>4. Ch\u0103m s\u00f3c \u1edf v\u01b0\u1eddn \u01b0\u01a1m<\/h3>\n<ul>\n<li>Ch\u1ecdn v\u1ecb tr\u00ed v\u01b0\u1eddn \u01b0\u01a1m:<\/li>\n<li>\u0110\u1ea5t \u0111\u1ec3 l\u00e0m v\u01b0\u1eddn \u01b0\u01a1m ph\u1ea3i l\u00e0 \u0111\u1ea5t th\u1ecbt nh\u1eb9 \u0111\u1ebfn th\u1ecbt trung b\u00ecnh, kh\u00f4ng b\u1ecb \u00fang ng\u1eadp, \u0111\u1ed9 d\u1ed1c &lt; 5<sup>0<\/sup><\/li>\n<li>V\u01b0\u1eddn \u01b0\u01a1m ph\u1ea3i \u0111\u1ee7 \u00e1nh s\u00e1ng, g\u1ea7n ngu\u1ed3n n\u01b0\u1edbc t\u01b0\u1edbi, thu\u1eadn ti\u1ec7n cho vi\u1ec7c v\u1eadn chuy\u1ec3n c\u00e2y gi\u1ed1ng<\/li>\n<li>Lu\u1ed1ng \u01b0\u01a1m: khi l\u00e0m lu\u1ed1ng ph\u1ea3i n\u1ed5i, k\u00edch th\u01b0\u1edbc lu\u1ed1ng r\u1ed9ng 1- 1,2 m, chi\u1ec1u d\u00e0i t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc v\u01b0\u1eddn \u01b0\u01a1m, c\u00f3 r\u00e3nh tho\u00e1t n\u01b0\u1edbc r\u1ed9ng 40 cm.<\/li>\n<li>C\u1ea5y hom c\u00e0nh: Hom c\u00e0nh \u0111\u01b0\u1ee3c c\u1ea5y th\u1eb3ng \u0111\u1ee9ng v\u00e0o b\u1ea7u ni l\u00f4ng 15 x 20 cm c\u00f3 \u0111\u00e1y \u0111\u1ee5c l\u1ed7 ngang.\u00a0 H\u1ed7n h\u1ee3p ru\u1ed9t b\u1ea7u bao g\u1ed3m 10% ph\u00e2n chu\u1ed3ng hoai + 1% ph\u00e2n NPK (5:10:3) + 89% t\u1ea7ng \u0111\u1ea5t m\u1eb7t. B\u1ea7u \u0111\u01b0\u1ee3c x\u1ebfp theo h\u00e0ng v\u00e0o lu\u1ed1ng, c\u1ee9 3 h\u00e0ng b\u1ea7u th\u00ec \u0111\u1ec3 tr\u1ed1ng 1 h\u00e0ng \u0111\u1ec3 gi\u00e3n c\u00e1ch; sau khi x\u1ebfp b\u1ea7u th\u00ec ph\u1ee7 b\u1eb1ng \u0111\u1ea5t s\u00e0ng b\u1ecf c\u1ee7a v\u01b0\u1eddn \u01b0\u01a1m xung quanh cao b\u1eb1ng m\u1eb7t b\u1ea7u.<\/li>\n<li>T\u1ea1o d\u00e0n che l\u01b0\u1edbi \u0111en: cao kho\u1ea3ng 150 cm, \u0111\u1ed9 che s\u00e1ng t\u1eeb 50 %. Th\u1eddi gian che n\u1eafng t\u1eeb 40-60 ng\u00e0y k\u1ec3 t\u1eeb l\u00fac gi\u00e2m hom c\u00e0nh. D\u00f9ng v\u1eadt li\u1ec7u r\u01a1m r\u1ea1 ho\u1eb7c t\u1ebf gu\u1ed9t ph\u1ee7 tr\u00ean m\u1eb7t b\u1ea7u \u0111\u1ec3 gi\u1eef \u1ea9m<\/li>\n<li>B\u00f3n th\u00fac ph\u00e2n: B\u00f3n th\u00fac hom c\u00e0nh \u01b0\u01a1m \u1edf v\u01b0\u1eddn \u01b0\u01a1m b\u1eb1ng ph\u00e2n NPK(5:10:3) 2 l\u1ea7n v\u00e0o th\u1eddi \u0111i\u1ec3m sau khi gi\u00e2m 1 v\u00e0 3 th\u00e1ng; l\u01b0\u1ee3ng b\u00f3n t\u1eeb 100 \u2013 200g ho\u00e0 v\u00e0o 5 l\u00edt n\u01b0\u1edbc t\u01b0\u1edbi cho 1 m<sup>2<\/sup>.<\/li>\n<li>T\u01b0\u1edbi n\u01b0\u1edbc: Th\u00e1ng \u0111\u1ea7u ng\u00e0y t\u01b0\u1edbi 1 l\u1ea7n v\u1edbi l\u01b0\u1ee3ng n\u01b0\u1edbc t\u1eeb 8-10 l\u00edt\/ m<sup>2<\/sup> m\u1eb7t lu\u1ed1ng. T\u1eeb th\u00e1ng th\u1ee9 2 tr\u1edf \u0111i kho\u1ea3ng 2 ng\u00e0y t\u01b0\u1edbi\/ 1 l\u1ea7n l\u01b0\u1ee3ng n\u01b0\u1edbc t\u1eeb 13-15 l\u00edt\/ 1 m<sup>2<\/sup> m\u1eb7t lu\u1ed1ng.<\/li>\n<li>\u0110\u1ea3o b\u1ea7u: Sau khi gi\u00e2m hom c\u00e0nh \u0111\u01b0\u1ee3c 3 th\u00e1ng \u0111\u1ea3o b\u1ea7u h\u00e0ng th\u00e1ng v\u00e0 c\u1eaft b\u1edbt c\u00e0nh c\u1ee7a nh\u1eefng hom ra c\u00e2y m\u1edbi x\u1ebfp g\u1ecdn ra 1 ph\u00eda, c\u00e1c hom sinh tr\u01b0\u1edfng k\u00e9m h\u01a1n x\u1ebfp g\u1ecdn ra m\u1ed9t ph\u00eda lu\u1ed1ng \u01b0\u01a1m.<\/li>\n<li>Ph\u00f2ng tr\u1eeb s\u00e2u b\u1ec7nh: C\u00e2y gi\u1ed1ng Tre ng\u1ecdt trong giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m c\u00f3 th\u1ec3 b\u1ecb ch\u00e2u ch\u1ea5u \u0103n l\u00e1. Ph\u00f2ng tr\u1eeb ch\u00e2u ch\u1ea5u \u0103n l\u00e1 b\u1eb1ng c\u00e1ch phun thu\u1ed1c Victor 585EC v\u1edbi li\u1ec7u l\u01b0\u1ee3ng 100 ml\/50 l\u00edt n\u01b0\u1edbc phun cho 1000 m<sup>2<\/sup>.<\/li>\n<\/ul>\n<h3><a name=\"_Toc70512221\"><\/a>5. Ti\u00eau chu\u1ea9n c\u00e2y hom \u0111em tr\u1ed3ng r\u1eebng<\/h3>\n<ul>\n<li>C\u00e2y hom 4 th\u00e1ng tu\u1ed5i tr\u1edf l\u00ean khi \u0111\u00e3 c\u00f3 m\u1ed9t c\u00e2y m\u1edbi sinh ra t\u1eeb m\u1eaft ng\u1ee7 c\u1ee7a g\u1ed1c c\u00e0nh.<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh g\u1ed1c c\u00e2y m\u1edbi sinh ra t\u1eeb hom c\u00e0nh \u0111\u1ea1t tr\u00ean 0,5 cm, \u0111\u00e3 c\u00f3 \u0111\u1ee7 c\u00e0nh v\u00e0 l\u00e1.<\/li>\n<li>C\u00e2y hom sinh tr\u01b0\u1edfng t\u1ed1t, kh\u00f4ng b\u1ecb s\u00e2u b\u1ec7nh v\u00e0 kh\u00f4ng b\u1ecb khuy.<\/li>\n<\/ul>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u0110\u1ecaA \u0110I\u1ec2M \u1ee8NG D\u1ee4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00e1c t\u1ed5 ch\u1ee9c, c\u00e1 nh\u00e2n s\u1ea3n xu\u1ea5t c\u00e2y gi\u1ed1ng c\u00e1c lo\u00e0i c\u00e2y \u0103n qu\u1ea3, c\u00e2y l\u00e2m nghi\u1ec7p c\u00f3 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n v\u1ec1 trang thi\u1ebft b\u1ecb v\u01b0\u1eddn \u01b0\u01a1m t\u1ea1i t\u1ec9nh \u0110i\u1ec7n Bi\u00ean, Lai Ch\u00e2u, L\u00e0o Cai, Ph\u00fa Th\u1ecd, B\u1eafc Giang v\u00e0 c\u00e1c t\u1ec9nh mi\u1ec1n n\u00fai ph\u00eda B\u1eafc c\u00f3 \u0111i\u1ec1u ki\u1ec7n sinh th\u00e1i ph\u00f9 h\u1ee3p.<\/p>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\u0110I\u1ec0U KI\u1ec6N \u1ee8NG D\u1ee4NG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>C\u00f3 v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y l\u00e2m nghi\u1ec7p.<\/li>\n<li>V\u01b0\u1eddn v\u1eadt li\u1ec7u ho\u1eb7c r\u1eebng tr\u1ed3ng Tre ng\u1ecdt 3 tu\u1ed5i tr\u1edf l\u00ean \u0111\u1ee7 ti\u00eau chu\u1ea9n c\u00e2y m\u1eb9 l\u1ea5y hom.<\/li>\n<li>Ng\u01b0\u1eddi tr\u1ef1c ti\u1ebfp nh\u00e2n gi\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng Tre ng\u1ecdt b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m hom c\u00e0nh, c\u00f3 k\u1ef9 n\u0103ng l\u00e0m v\u01b0\u1eddn \u01b0\u01a1m c\u00e2y l\u00e2m nghi\u1ec7p.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>TH\u00d4NG TIN CHUNG C\u00f4ng nh\u1eadn t\u1ea1i Quy\u1ebft \u0111\u1ecbnh s\u1ed1 295\/Q\u0110-TCLN-KH&amp;HTQT c\u1ee7a T\u1ed5ng c\u1ee5c L\u00e2m nghi\u1ec7p ng\u00e0y 28 th\u00e1ng 8 n\u0103m 2020. T\u00e1c gi\u1ea3: Nguy\u1ec5n V\u0103n Th\u1ecd, Nguy\u1ec5n Anh D\u0169ng, Nguy\u1ec5n Th\u1ecb \u00c1nh Nguy\u1ec7t, Nguy\u1ec5n Vi\u1ec5n, Ph\u1ea1m Quang Ti\u1ebfn, Nguy\u1ec5n Anh Duy. N\u1ed8I DUNG CH\u00cdNH K\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng hom c\u00e0nh c\u00e2y Tre ng\u1ecdt (c\u00f2n g\u1ecdi [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21226"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=21226"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21226\/revisions"}],"predecessor-version":[{"id":21227,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/pages\/21226\/revisions\/21227"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=21226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}