{"id":4349,"date":"2023-05-19T16:39:45","date_gmt":"2023-05-19T09:39:45","guid":{"rendered":"http:\/\/khcn185.vnua.edu.vn\/?p=4349"},"modified":"2023-05-19T16:39:45","modified_gmt":"2023-05-19T09:39:45","slug":"phat-trien-thanh-cong-giong-ngo-ngot-the-he-moi-snow-white","status":"publish","type":"post","link":"http:\/\/khcn185.vnua.edu.vn\/?p=4349","title":{"rendered":"Ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi..."},"content":{"rendered":"\n\n

Th\u00f4ng qua vi\u1ec7c gi\u1ea3i m\u00e3 c\u01a1 ch\u1ebf di truy\u1ec1n, nh\u00f3m nghi\u00ean c\u1ee9u ng\u00f4 th\u1ef1c ph\u1ea9m cao c\u1ea5p g\u1ed3m TS. Ph\u1ea1m Quang Tu\u00e2n, ThS. Nguy\u1ec5n Trung \u0110\u1ee9c, ThS. Nguy\u1ec5n Th\u1ecb Nguy\u1ec7t Anh, GS.TS. V\u0169 V\u0103n Li\u1ebft t\u1ea1i H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi – SNOW WHITE \u2013 k\u1ebft h\u1ee3p h\u00e0i h\u00f2a \u0111\u1ed9 ng\u1ecdt, d\u1ebbo, m\u1ec1m, th\u01a1m tr\u00ean t\u1eebng h\u1ea1t ng\u00f4, kh\u00f4ng ch\u1ec9 \u0103n t\u01b0\u01a1i tr\u1ef1c ti\u1ebfp m\u00e0 h\u1ea5p, lu\u1ed9c, n\u01b0\u1edbng, chi\u00ean c\u0169ng r\u1ea5t ngon, l\u1ea1i b\u1ea3o qu\u1ea3n \u0111\u01b0\u1ee3c trong th\u1eddi gian d\u00e0i.<\/em><\/strong><\/p>\n\n\n\n\n
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\u00a0Gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi \u2013 SNOW WHITE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ed1ng ng\u00f4 th\u1ef1c ph\u1ea9m m\u1edbi t\u1eeb ph\u00e9p lai gi\u1eefa ng\u00f4 ng\u1ecdt v\u00e0 ng\u00f4 n\u1ebfp \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 khoa h\u1ecdc tr\u00ean th\u1ebf gi\u1edbi nghi\u00ean c\u1ee9u \u0111\u1ec1 xu\u1ea5t (Lertrat & Thongnarin, 2008; Prasanna, 2012; Zheng & cs., 2013). Ng\u00f4 ng\u1ecdt (Zea mays<\/em>\u00a0L. var. rugosa Bonaf.) c\u00f3 h\u00e0m l\u01b0\u1ee3ng \u0111\u01b0\u1eddng cao trong h\u1ea1t do gen l\u1eb7n ph\u1ed5 bi\u1ebfn nh\u01b0 sugary1 (su1),\u00a0<\/em>shrunken2\u00a0(sh2)\u00a0<\/em>\u1ee9c ch\u1ebf qu\u00e1 tr\u00ecnh chuy\u1ec3n h\u00f3a \u0111\u01b0\u1eddng sang tinh b\u1ed9t (Revilla & cs., 2021) trong khi ng\u00f4 n\u1ebfp (Zea mays<\/em>\u00a0L. var. ceratina) c\u00f3 k\u1ebft c\u1ea5u d\u00ednh khi n\u1ea5u ch\u00edn v\u1edbi h\u00e0m l\u01b0\u1ee3ng amylopectin cao do gen l\u1eb7n waxy (wx<\/em>) bi\u1ec3u hi\u1ec7n trong n\u1ed9i nh\u0169 (Ruanjaichon & cs., 2022). Ng\u00f4 ng\u1ecdt c\u00f3 ngu\u1ed3n g\u1ed1c \u00f4n \u0111\u1edbi v\u1edbi ph\u1ed5 di truy\u1ec1n h\u1eb9p (Tracy & cs., 2019) trong khi ng\u00f4 n\u1ebfp c\u00f3 ngu\u1ed3n g\u1ed1c nhi\u1ec7t \u0111\u1edbi, \u0111a d\u1ea1ng (Bao & cs., 2012; Zheng & cs., 2013). C\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ed1ng ng\u00f4 th\u1ef1c ph\u1ea9m m\u1edbi t\u1eeb ph\u00e9p lai gi\u1eefa ng\u00f4 ng\u1ecdt v\u00e0 ng\u00f4 n\u1ebfp \u0111\u00e3 \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 khoa h\u1ecdc tr\u00ean th\u1ebf gi\u1edbi nghi\u00ean c\u1ee9u \u0111\u1ec1 xu\u1ea5t (Lertrat & Thongnarin, 2008; Prasanna, 2012; Zheng & cs., 2013). K\u1ebft h\u1ee3p gen l\u1eb7n\u00a0sh2<\/em>\u00a0v\u00e0\u00a0wx<\/em>\u00a0t\u1ea1o d\u00f2ng thu\u1ea7n mang gen l\u1eb7n k\u00e9p\u00a0sh2sh2wxwx<\/em>\u00a0l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 lai t\u1ea1o gi\u1ed1ng ng\u00f4 n\u1ebfp ng\u1ecdt v\u00e0 c\u1ea3i ti\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng ng\u00f4 n\u1ebfp (Dong & cs., 2019).<\/p>\n

N\u1eb1m trong xu th\u1ebf ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ed1ng ng\u00f4 cao c\u1ea5p, c\u1ea3i thi\u1ec7n dinh d\u01b0\u1ee1ng cho con ng\u01b0\u1eddi, c\u00e1c nh\u00e0 khoa h\u1ecdc t\u1ea1i Vi\u1ec7n Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n c\u00e2y tr\u1ed3ng, H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 li\u00ean t\u1ee5c t\u00ecm t\u00f2i, s\u00e1ng t\u1ea1o, \u0111\u1ed5i m\u1edbi trong c\u00f4ng t\u00e1c ch\u1ecdn t\u1ea1o gi\u1ed1ng ng\u00f4 th\u1ef1c ph\u1ea9m cao c\u1ea5p. Do \u0111\u00f3, tr\u1ea3i qua nhi\u1ec1u nghi\u00ean c\u1ee9u, c\u00e1c c\u01a1 ch\u1ebf di truy\u1ec1n trong ch\u1ecdn t\u1ea1o gi\u1ed1ng ng\u00f4 th\u1ef1c ph\u1ea9m cao c\u1ea5p c\u0169ng d\u1ea7n s\u00e1ng t\u1ecf. Vu Van Liet & cs. (2017) \u0111\u00e3 ch\u1ec9 ra trong c\u00e1c nghi\u00ean c\u1ee9u ng\u00f4 th\u1ef1c ph\u1ea9m c\u1ea7n k\u1ebft h\u1ee3p gi\u1eefa ngu\u1ed3n gen trong n\u01b0\u1edbc v\u00e0 ngu\u1ed3n gen nh\u1eadp n\u1ed9i. Nghi\u00ean c\u1ee9u c\u1ee7a Nguy\u1ec5n Trung \u0110\u1ee9c & cs. (2020) khi tuy\u1ec3n ch\u1ecdn v\u1eadt li\u1ec7u \u0111\u1ec3 ph\u00e1t tri\u1ec3n gi\u1ed1ng ng\u00f4 tr\u00e1i c\u00e2y \u2013 m\u1ed9t d\u1ea1ng ng\u00f4 \u0103n t\u01b0\u01a1i tr\u1ef1c ti\u1ebfp kh\u00f4ng c\u1ea7n qua ch\u1ebf bi\u1ebfn, \u0111\u00e3 ch\u1ec9 ra ch\u1ec9 s\u1ed1 \u0111\u1ea1i di\u1ec7n \u0111\u1ed9 ng\u1ecdt\u00a0o<\/sup>Brix c\u00f3 t\u01b0\u01a1ng quan ngh\u1ecbch v\u1edbi \u0111\u1ed9 d\u00e0y v\u1ecf h\u1ea1t. Ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed SSR \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 m\u1ecfng v\u1ecf \u1edf c\u00e1c d\u00f2ng t\u1ef1 ph\u1ed1i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Khi lai gi\u1eefa c\u00e1c nh\u00f3m ng\u00f4 ng\u1ecdt c\u00f3 m\u00e0u s\u1eafc kh\u00e1c nhau, nghi\u00ean c\u1ee9u c\u1ee7a Pham Quang Tuan & cs. (2022a) v\u00e0 Pham Quang Tuan & cs. (2022b) \u0111\u00e3 ch\u1ec9 ra \u01b0u th\u1ebf lai v\u00e0 hi\u1ec7u \u1ee9ng tr\u1ed9i \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong h\u1ea7u h\u1ebft c\u00e1c t\u00ednh tr\u1ea1ng sinh tr\u01b0\u1edfng, n\u0103ng su\u1ea5t trong khi hi\u1ec7u \u1ee9ng c\u1ed9ng \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong vi\u1ec7c c\u1ea3i ti\u1ebfn c\u00e1c t\u00ednh tr\u1ea1ng ch\u1ea5t l\u01b0\u1ee3ng. Nghi\u00ean c\u1ee9u c\u1ee7a Nguy\u1ec5n Th\u1ecb Nguy\u1ec7t Anh & cs. (2022a) v\u00e0 Nguy\u1ec5n Th\u1ecb Nguy\u1ec7t Anh & cs. (2022b) \u0111\u00e3 ch\u1ec9 ra t\u1ec9 l\u1ec7 kh\u1ea3 n\u0103ng k\u1ebft h\u1ee3p chung (GCA) \/ kh\u1ea3 n\u0103ng k\u1ebft h\u1ee3p ri\u00eang (SCA) < 0,5 \u1edf h\u1ea7u h\u1ebft c\u00e1c t\u00ednh tr\u1ea1ng cho th\u1ea5y ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c gen kh\u00f4ng c\u1ed9ng t\u00ednh \u00fd ngh\u0129a h\u01a1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c gen c\u1ed9ng t\u00ednh \u0111\u1ed1i v\u1edbi di truy\u1ec1n c\u00e1c t\u00ednh tr\u1ea1ng n\u0103ng su\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng. SCA quan tr\u1ecdng h\u01a1n GCA trong t\u1ea1o gi\u1ed1ng ng\u00f4 lai ch\u1ea5t l\u01b0\u1ee3ng. Hi\u1ec7u \u1ee9ng t\u01b0\u01a1ng h\u1ed7 (REC) cho th\u1ea5y ph\u00e9p lai gi\u1eefa n\u1ebfp t\u00edm \u00d7 ng\u1ecdt \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi ng\u1ecdt \u00d7 n\u1ebfp t\u00edm. Ch\u1ec9 th\u1ecb ph\u00e2n t\u1eed x\u00e1c \u0111\u1ecbnh d\u00f2ng m\u1ea1ng gen \u0111\u1ed3ng h\u1ee3p t\u1ef1 l\u1eb7n\u00a0sh2<\/em>\u00a0v\u00e0\u00a0su1<\/em>\u00a0quy \u0111\u1ecbnh \u0111\u1ed9 ng\u1ecdt c\u0169ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh (Nguy\u1ec5n Trung \u0110\u1ee9c & cs., 2023a). Nguy\u1ec5n Trung \u0110\u1ee9c & cs. (2023b) \u0111\u00e3 ch\u1ec9 ra kho\u1ea3ng c\u00e1ch di truy\u1ec1n xa nhau gi\u1eefa ng\u00f4 n\u1ebfp v\u00e0 ng\u00f4 ng\u1ecdt s\u1ebd cho ti\u1ec1m n\u0103ng \u01b0u th\u1ebf lai l\u1edbn.<\/p>\n

T\u1eeb c\u00e1c kh\u00e1m ph\u00e1 n\u00e0y, phi\u00ean b\u1ea3n \u0111\u1ea7u ti\u00ean c\u1ee7a gi\u1ed1ng ng\u00f4 SNOW WHITE \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u \u0111\u1ebfn c\u00e1c chuy\u00ean gia \u0111\u00e1nh gi\u00e1 t\u1ea1i \u201cTu\u1ea7n l\u1ec5 \u0111\u00e1nh gi\u00e1 c\u00e1c gi\u1ed1ng ng\u00f4, l\u00faa tri\u1ec3n v\u1ecdng t\u1ea1i H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam n\u0103m 2022\u201d.<\/p>\n\n\n\n\n
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\u00a0C\u00e1c chuy\u00ean gia \u0111\u00e1nh gi\u00e1, g\u00f3p \u00fd b\u1ed5 sung c\u00e1c t\u00ednh tr\u1ea1ng cho c\u00e1c gi\u1ed1ng ng\u00f4 th\u1ef1c ph\u1ea9m th\u1ebf h\u1ec7 m\u1edbi t\u1ea1i Tu\u1ea7n l\u1ec5 \u0111\u00e1nh gi\u00e1 c\u00e1c gi\u1ed1ng ng\u00f4, l\u00faa tri\u1ec3n v\u1ecdng 2022<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Sau khi ti\u1ebfp thu c\u00e1c \u00fd ki\u1ebfn chuy\u00ean gia, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 c\u1ea3i ti\u1ebfn, ch\u1ecdc l\u1ecdc d\u00f2ng b\u1ed1 m\u1eb9. \u0110\u1ebfn nay phi\u00ean b\u1ea3n ho\u00e0n thi\u1ec7n c\u1ee7a gi\u1ed1ng ng\u00f4 SNOW WHITE \u0111\u01b0\u1ee3c ch\u00ednh th\u1ee9c ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n\n
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\u00a0Ki\u1ec3u h\u00ecnh c\u00e2y v\u00e0 b\u1eafp c\u1ee7a gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi \u2013 SNOW WHITE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n
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\u00a0\u0110\u1eb7c \u0111i\u1ec3m c\u1ea5u tr\u00fac b\u1eafp v\u00e0 ch\u1ec9 s\u1ed1 \u0111\u1ed9 ng\u1ecdt c\u1ee7a gi\u1ed1ng SNOW WHITE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Gi\u1ed1ng c\u00f3 th\u1eddi gian thu b\u1eafp t\u01b0\u01a1i ng\u1eafn ch\u1ec9 68-75 ng\u00e0y, ki\u1ec3u c\u00e2y to kh\u1ecfe, c\u1ee9ng c\u00e1p, ch\u1ed1ng \u0111\u1ed5 r\u1ea5t t\u1ed1t. Gi\u1ed1ng c\u00f3 b\u1eafp to d\u00e0i 18-21cm, \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t 4,8-5,4cm, n\u0103ng su\u1ea5t b\u1eafp t\u01b0\u01a1i \u0111\u1ea1t 11-13 t\u1ea5n\/ha, th\u00e2m canh t\u1ed1t \u0111\u1ea1t 15-17 t\u1ea5n\/ha. L\u00e0 gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi, SNOW WHITE k\u1ebft h\u1ee3p h\u00e0i h\u00f2a \u0111\u1ed9 ng\u1ecdt, d\u1ebbo, m\u1ec1m, th\u01a1m tr\u00ean t\u1eebng h\u1ea1t ng\u00f4. Mang \u0111\u1ed9t bi\u1ebfn l\u1eb7n k\u00e9p\u00a0sh2sh2wxwx<\/em>, gi\u1ed1ng c\u00f3 ch\u1ec9 s\u1ed1 \u0111\u1ed9 ng\u1ecdt v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ea1t 17,5-19o<\/sup>Brix, l\u1ea1i kh\u00f4ng ch\u1ec9 \u0103n t\u01b0\u01a1i tr\u1ef1c ti\u1ebfp m\u00e0 h\u1ea5p, lu\u1ed9c, n\u01b0\u1edbng, chi\u00ean c\u0169ng r\u1ea5t ngon, l\u1ea1i bao qu\u1ea3n \u0111\u01b0\u1ee3c trong th\u1eddi gian d\u00e0i.<\/p>\n

Ban Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7<\/em><\/strong><\/p>\n

TS. Ph\u1ea1m Quang Tu\u00e2n, ThS. Nguy\u1ec5n Trung \u0110\u1ee9c, ThS. Nguy\u1ec5n Th\u1ecb Nguy\u1ec7t Anh, GS.TS. V\u0169 V\u0103n Li\u1ebft<\/em><\/strong><\/p>\n

– Vi\u1ec7n Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n c\u00e2y tr\u1ed3ng, H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/strong><\/p>","protected":false},"excerpt":{"rendered":"

Th\u00f4ng qua vi\u1ec7c gi\u1ea3i m\u00e3 c\u01a1 ch\u1ebf di truy\u1ec1n, nh\u00f3m nghi\u00ean c\u1ee9u ng\u00f4 th\u1ef1c ph\u1ea9m cao c\u1ea5p g\u1ed3m TS. Ph\u1ea1m Quang Tu\u00e2n, ThS. Nguy\u1ec5n Trung \u0110\u1ee9c, ThS. Nguy\u1ec5n Th\u1ecb Nguy\u1ec7t Anh, GS.TS. V\u0169 V\u0103n Li\u1ebft t\u1ea1i H\u1ecdc vi\u1ec7n N\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi – SNOW…<\/p>\n","protected":false},"author":2,"featured_media":4350,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"\nPh\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi \u2013 SNOW WHITE - Ng\u00e0y Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam 18\/5<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/khcn185.vnua.edu.vn\/?p=4349\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng gi\u1ed1ng ng\u00f4 ng\u1ecdt th\u1ebf h\u1ec7 m\u1edbi \u2013 SNOW WHITE - Ng\u00e0y Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam 18\/5\" \/>\n<meta property=\"og:description\" content=\"Th\u00f4ng qua vi\u1ec7c gi\u1ea3i m\u00e3 c\u01a1 ch\u1ebf di truy\u1ec1n, nh\u00f3m nghi\u00ean c\u1ee9u ng\u00f4 th\u1ef1c ph\u1ea9m cao c\u1ea5p g\u1ed3m TS. Ph\u1ea1m Quang Tu\u00e2n, ThS. Nguy\u1ec5n Trung \u0110\u1ee9c, ThS. Nguy\u1ec5n Th\u1ecb Nguy\u1ec7t Anh, GS.TS. 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