{"id":990979,"date":"2026-07-27T01:26:39","date_gmt":"2026-07-27T01:26:39","guid":{"rendered":"https:\/\/crei.vnua.edu.vn\/?p=990979"},"modified":"2026-07-27T01:27:04","modified_gmt":"2026-07-27T01:27:04","slug":"nghien-cuu-anh-huong-cua-mot-so-bien-phap-ky-thuat-den-kha-nang-nhan-giong-cay-dau-bang-phuong-phap-giam-canh","status":"publish","type":"post","link":"https:\/\/crei.vnua.edu.vn\/?p=990979","title":{"rendered":"Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ebfn kh\u1ea3 n\u0103ng nh\u00e2n gi\u1ed1ng c\u00e2y d\u00e2u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m c\u00e0nh"},"content":{"rendered":"
Nh\u00e2n gi\u1ed1ng c\u00e2y d\u00e2u (Morus alba L.) b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m c\u00e0nh l\u00e0 gi\u1ea3i ph\u00e1p quan tr\u1ecdng nh\u1eb1m t\u1ea1o ngu\u1ed3n c\u00e2y gi\u1ed1ng \u0111\u1ed3ng \u0111\u1ec1u, ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e1t tri\u1ec3n v\u00f9ng nguy\u00ean li\u1ec7u ph\u1ee5c v\u1ee5 ch\u0103n nu\u00f4i t\u1eb1m v\u00e0 s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p. Tuy nhi\u00ean, t\u1ef7 l\u1ec7 ra r\u1ec5 v\u00e0 kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng c\u1ee7a hom gi\u00e2m ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt. Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c ti\u1ec5n \u0111\u00f3, nh\u00f3m t\u00e1c gi\u1ea3 Nguy\u1ec5n H\u1ed3ng H\u1ea1nh v\u00e0 Nguy\u1ec5n Th\u1ecb Ng\u1ecdc Dinh, khoa N\u00f4ng h\u1ecdc, H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u v\u1edbi ch\u1ee7 \u0111\u1ec1 \u201cNghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ebfn kh\u1ea3 n\u0103ng nh\u00e2n gi\u1ed1ng c\u00e2y d\u00e2u (Morus alba L.) b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m c\u00e0nh<\/em><\/strong>\u201d.<\/p>\n

Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n nh\u00e0 l\u01b0\u1edbi c\u00f3 m\u00e1i che t\u1ea1i khoa N\u00f4ng h\u1ecdc, H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam t\u1eeb v\u1ee5 \u0110\u00f4ng Xu\u00e2n 2022-2023. C\u00e1c th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo ki\u1ec3u kh\u1ed1i ng\u1eabu nhi\u00ean \u0111\u1ea7y \u0111\u1ee7 (RCBD), t\u1eadp trung \u0111\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a b\u1ed1n y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt g\u1ed3m: gi\u00e1 th\u1ec3 gi\u00e2m, v\u1ecb tr\u00ed c\u1eaft c\u00e0nh, chi\u1ec1u d\u00e0i \u0111o\u1ea1n c\u00e0nh gi\u00e2m v\u00e0 ch\u1ebf ph\u1ea9m k\u00edch th\u00edch ra r\u1ec5.<\/p>\n

K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y, gi\u00e1 th\u1ec3 ph\u1ed1i tr\u1ed9n \u0111\u1ea5t v\u1edbi ph\u00e2n chu\u1ed3ng v\u00e0 tr\u1ea5u hun theo t\u1ef7 l\u1ec7 5:2:2 mang l\u1ea1i hi\u1ec7u qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i, v\u1edbi t\u1ef7 l\u1ec7 hom s\u1ed1ng \u0111\u1ea1t kho\u1ea3ng 80%, t\u1ef7 l\u1ec7 hom ra r\u1ec5 \u0111\u1ea1t 61,7%, trung b\u00ecnh 5,9 r\u1ec5\/c\u00e2y v\u00e0 chi\u1ec1u d\u00e0i r\u1ec5 \u0111\u1ea1t 4,3cm. \u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 gi\u00e1 th\u1ec3 ph\u00f9 h\u1ee3p, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n b\u1ed9 r\u1ec5 c\u1ee7a hom gi\u00e2m.<\/p>\n\n\n\n\n
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H\u00ecnh 1. \u1ea2nh h\u01b0\u1edfng c\u1ee7a gi\u00e1 th\u1ec3 \u0111\u1ebfn kh\u1ea3 n\u0103ng ra r\u1ec5 v\u00e0 ph\u00e1t sinh ch\u1ed3i c\u1ee7a c\u00e0nh gi\u00e2m<\/strong><\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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H\u00ecnh 2. \u1ea2nh h\u01b0\u1edfng c\u1ee7a v\u1ecb tr\u00ed c\u1eaft hom gi\u00e2m\u00a0<\/strong>\u0111\u1ebfn\u00a0<\/strong>kh\u1ea3 n\u0103ng ra r\u1ec5 v\u00e0 ph\u00e1t sinh ch\u1ed3i c\u1ee7a c\u00e0nh gi\u00e2m<\/strong><\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u00ean c\u1ea1nh \u0111\u00f3, \u0111o\u1ea1n c\u00e0nh gi\u00e2m d\u00e0i 20cm, \u0111\u01b0\u1ee3c c\u1eaft t\u1ea1i v\u1ecb tr\u00ed g\u1ed1c c\u00e0nh, cho t\u1ef7 l\u1ec7 b\u1eadt m\u1ea7m v\u00e0 ra r\u1ec5 cao h\u01a1n so v\u1edbi c\u00f4ng th\u1ee9c c\u00f2n l\u1ea1i. K\u1ebft qu\u1ea3 n\u00e0y cho th\u1ea5y vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc hom gi\u00e2m c\u00f3 \u00fd ngh\u0129a quan tr\u1ecdng trong n\u00e2ng cao hi\u1ec7u qu\u1ea3 nh\u00e2n gi\u1ed1ng.<\/p>\n\n\n\n\n
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\u00a0H\u00ecnh 3. \u1ea2nh h\u01b0\u1edfng c\u1ee7a chi\u1ec1u d\u00e0i \u0111o\u1ea1n c\u00e0nh\u00a0<\/strong>\u0111\u1ebfn\u00a0<\/strong>kh\u1ea3 n\u0103ng ra r\u1ec5 v\u00e0 ph\u00e1t sinh m\u1ea7m c\u1ee7a c\u00e0nh gi\u00e2m<\/strong><\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/div>\n

\u0110\u1ed1i v\u1edbi ch\u1ebf ph\u1ea9m k\u00edch th\u00edch ra r\u1ec5, nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh Bimix l\u00e0 ch\u1ebf ph\u1ea9m mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng Bimix gi\u00fap l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 ra r\u1ec5, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng r\u1ec5, \u0111\u1ed3ng th\u1eddi t\u0103ng chi\u1ec1u d\u00e0i ch\u1ed3i t\u1edbi 40,6% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng kh\u00f4ng x\u1eed l\u00fd.<\/p>\n\n\n\n\n
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\u00a0H\u00ecnh 4. \u1ea2nh h\u01b0\u1edfng c\u1ee7a ch\u1ebf ph\u1ea9m \u0111i\u1ec1u ho\u00e0 sinh tr\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ra r\u1ec5 v\u00e0 ph\u00e1t sinh m\u1ea7m c\u1ee7a c\u00e0nh gi\u00e2m<\/strong><\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eefng k\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u00e3 g\u00f3p ph\u1ea7n ho\u00e0n thi\u1ec7n quy tr\u00ecnh k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng c\u00e2y d\u00e2u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m c\u00e0nh, t\u1ea1o c\u01a1 s\u1edf khoa h\u1ecdc cho vi\u1ec7c nh\u00e2n r\u1ed9ng ngu\u1ed3n gi\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng cao. \u0110\u00e2y l\u00e0 ti\u1ec1n \u0111\u1ec1 quan tr\u1ecdng nh\u1eb1m ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n v\u00e0 ph\u00e1t tri\u1ec3n ngu\u1ed3n gen c\u00e2y d\u00e2u, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1ea3n xu\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng ng\u00e0nh d\u00e2u t\u1eb1m trong th\u1eddi gian t\u1edbi.<\/p>\n

Nghi\u00ean c\u1ee9u kh\u00f4ng ch\u1ec9 c\u00f3 \u00fd ngh\u0129a v\u1ec1 m\u1eb7t khoa h\u1ecdc m\u00e0 c\u00f2n mang gi\u00e1 tr\u1ecb th\u1ef1c ti\u1ec5n cao, g\u00f3p ph\u1ea7n n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t gi\u1ed1ng, gi\u1ea3m chi ph\u00ed v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ee7 \u0111\u1ed9ng ngu\u1ed3n c\u00e2y gi\u1ed1ng cho ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t. \u0110\u00e2y c\u0169ng l\u00e0 minh ch\u1ee9ng cho nh\u1eefng n\u1ed7 l\u1ef1c c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam trong vi\u1ec7c \u1ee9ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt v\u00e0o th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft t\u1ea1i:\u00a0https:\/\/vie.vjas.vn\/index.php\/vjasvn\/article\/view\/2484\/2363<\/a>.<\/p>\n

\u0110\u00e0o H\u01b0\u01a1ng – Nh\u00e0 xu\u1ea5t b\u1ea3n<\/em><\/strong><\/div>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Nh\u00e2n gi\u1ed1ng c\u00e2y d\u00e2u (Morus alba L.) b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gi\u00e2m c\u00e0nh l\u00e0 gi\u1ea3i ph\u00e1p quan tr\u1ecdng nh\u1eb1m t\u1ea1o ngu\u1ed3n c\u00e2y gi\u1ed1ng \u0111\u1ed3ng \u0111\u1ec1u, ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e1t tri\u1ec3n v\u00f9ng nguy\u00ean li\u1ec7u ph\u1ee5c v\u1ee5 ch\u0103n nu\u00f4i t\u1eb1m v\u00e0 s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p. Tuy nhi\u00ean, t\u1ef7 l\u1ec7 ra r\u1ec5 v\u00e0 kh\u1ea3 n\u0103ng…<\/p>\n","protected":false},"author":3,"featured_media":990980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56,47],"tags":[],"class_list":["post-990979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khoa-hoc-hoi-thao-tap-huan-dai-han-ngan-han","category-tin-tuc-hoat-dong-nghien-cuu"],"_links":{"self":[{"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/990979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=990979"}],"version-history":[{"count":1,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/990979\/revisions"}],"predecessor-version":[{"id":990981,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/posts\/990979\/revisions\/990981"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=\/wp\/v2\/media\/990980"}],"wp:attachment":[{"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=990979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=990979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crei.vnua.edu.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=990979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}