{"id":22636,"date":"2023-04-28T16:33:51","date_gmt":"2023-04-28T09:33:51","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=22636"},"modified":"2023-04-26T09:39:01","modified_gmt":"2023-04-26T02:39:01","slug":"hoi-dong-nghiem-thu-tong-ket-de-tai-khcn-cap-quoc-gia-nghien-cuu-giai-phap-phong-tru-tong-hop-sau-benh-hai-chinh-cay-son-tra-docynia-indica-willich-tai-mien-nui-phia-bac","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/hoi-dong-nghiem-thu-tong-ket-de-tai-khcn-cap-quoc-gia-nghien-cuu-giai-phap-phong-tru-tong-hop-sau-benh-hai-chinh-cay-son-tra-docynia-indica-willich-tai-mien-nui-phia-bac\/","title":{"rendered":"H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i KHCN c\u1ea5p Qu\u1ed1c gia: Nghi\u00ean c\u1ee9u gi\u1ea3i ph\u00e1p ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra (Docynia indica Willich) t\u1ea1i mi\u1ec1n n\u00fai ph\u00eda B\u1eafc"},"content":{"rendered":"

Th\u1ef1c hi\u1ec7n Quy\u1ebft \u0111\u1ecbnh s\u1ed1: 147\/Q\u0110-KHLN-KH ng\u00e0y 24 th\u00e1ng 4 n\u0103m 2023 c\u1ee7a c\u1ee7a Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n v\u1ec1 vi\u1ec7c Th\u00e0nh l\u1eadp H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ecdp H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i KHCN c\u1ea5p Qu\u1ed1c gia: Nghi\u00ean c\u1ee9u gi\u1ea3i ph\u00e1p ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra (Docynia indica<\/em> Willich) t\u1ea1i mi\u1ec1n n\u00fai ph\u00eda B\u1eafc. M\u00e3 s\u1ed1: \u0110T\u0110L.CN-15\/18. Ch\u1ee7 nhi\u1ec7m: GS.TS. Ph\u1ea1m Quang Thu.<\/p>\n

M\u1ee5c ti\u00eau:<\/strong><\/p>\n

– X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c danh m\u1ee5c th\u00e0nh ph\u1ea7n lo\u00e0i s\u00e2u, b\u1ec7nh h\u1ea1i c\u00e2y S\u01a1n tra.<\/p>\n

– X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc, sinh th\u00e1i c\u1ee7a c\u00e1c lo\u00e0i s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh.<\/p>\n

– X\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c quy tr\u00ecnh ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p \u0111\u1ed1i v\u1edbi c\u00e1c lo\u00e0i s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh.<\/p>\n

N\u1ed9i dung <\/strong><\/h4>\n

N\u1ed9i dung 1: \u0110i\u1ec1u tra th\u00e0nh ph\u1ea7n lo\u00e0i s\u00e2u, b\u1ec7nh h\u1ea1i v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c lo\u00e0i g\u00e2y h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra<\/p>\n

N\u1ed9i dung 2: Nghi\u00ean c\u1ee9u \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc, sinh th\u00e1i c\u1ee7a c\u00e1c lo\u00e0i s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra \u1edf S\u01a1n La, Y\u00ean B\u00e1i v\u00e0 L\u00e0o Cai<\/p>\n

N\u1ed9i dung 3: Nghi\u00ean c\u1ee9u c\u00e1c x\u00e2y d\u1ef1ng quy tr\u00ecnh k\u1ef9 thu\u1eadt ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra \u1edf S\u01a1n La, Y\u00ean B\u00e1i v\u00e0 L\u00e0o Cai<\/p>\n

N\u1ed9i dung 4: X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra \u1edf S\u01a1n La, Y\u00ean B\u00e1i v\u00e0 L\u00e0o Cai.<\/p>\n

N\u1ed9i dung 5: T\u1eadp hu\u1ea5n chuy\u1ec3n giao quy tr\u00ecnh ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra<\/p>\n

K\u1ebft qu\u1ea3 \u0111\u1ea1t \u0111\u01b0\u1ee3c:<\/strong><\/p>\n

K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra \u0111\u01b0\u1ee3c 28 lo\u00e0i s\u00e2u h\u1ea1i S\u01a1n tra \u1edf v\u01b0\u1eddn \u01b0\u01a1m, r\u1eebng tr\u1ed3ng v\u00e0 r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c lo\u00e0i X\u00e9n t\u00f3c \u0111\u1ee5c th\u00e2n Bacchisa medioviolacea <\/em>(Cerambycidae: Coleoptera) l\u00e0 lo\u00e0i s\u00e2u h\u1ea1i ch\u00ednh v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 15 lo\u00e0i n\u1ea5m g\u00e2y h\u1ea1i S\u01a1n tra \u1edf v\u01b0\u1eddn \u01b0\u01a1m, r\u1eebng tr\u1ed3ng v\u00e0 r\u1eebng t\u1ef1 nhi\u00ean v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c lo\u00e0i lo\u00e0i n\u1ea5m Colletotrichum siamense <\/em>(Glomerellacea: Glomerellales) l\u00e0 lo\u00e0i h\u1ea1i ch\u00ednh. Trong 15 lo\u00e0i n\u1ea5m g\u00e2y h\u1ea1i S\u01a1n tra n\u00e0y \u0111\u1ec1 t\u00e0i \u0111\u00e3 gi\u00e1m \u0111\u1ecbnh \u0111\u01b0\u1ee3c 1 lo\u00e0i n\u1ea5m m\u1edbi cho khoa h\u1ecdc \u0111\u00f3 l\u00e0 lo\u00e0i Phytophthora docynia <\/em>(Q.N. Dang, T.H. Nguyen & T.I. Burgess, 2021).<\/p>\n

\"\"<\/a><\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u00f2ng \u0111\u1eddi c\u1ee7a lo\u00e0i X\u00e9n t\u00f3c \u0111\u1ee5c th\u00e2n Bacchisa medioviolacea<\/em>, th\u1eddi gian tr\u01b0\u1edfng th\u00e0nh trung b\u00ecnh 17,6 ng\u00e0y, th\u1eddi gian tr\u1ee9ng trung b\u00ecnh 27,55 ng\u00e0y; s\u00e2u non trung b\u00ecnh 627,3 ng\u00e0y v\u00e0 nh\u1ed9ng trung b\u00ecnh 48,9 ng\u00e0y v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u1ecbch ph\u00e1t sinh c\u1ee7a X\u00e9n t\u00f3c \u0111\u1ee5c th\u00e2n 2 n\u0103m 1 v\u00f2ng \u0111\u1eddi. X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c lo\u00e0i Xen t\u00f3c \u0111\u1ee5c th\u00e2n g\u00e2y h\u1ea1i m\u1ea1nh c\u00e2y S\u01a1n tra t\u1eeb c\u1ea5p tu\u1ed5i 2 tr\u1edf \u0111i.<\/p>\n

\"\"<\/a><\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c B\u1ec7nh th\u1ed1i qu\u1ea3 do n\u1ea5m Colletotrichum siamense<\/em>, sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n t\u1eeb 20oC – 25 oC; g\u00e2y h\u1ea1i m\u1ea1nh v\u00e0o th\u00e1ng 7, th\u00e1ng 8 h\u00e0ng n\u0103m v\u00e0 g\u00e2y h\u1ea1i m\u1ea1nh c\u00e2y S\u01a1n tra t\u1eeb c\u1ea5p tu\u1ed5i 2 tr\u1edf \u0111i.<\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p X\u00e9n t\u00f3c \u0111\u1ee5c th\u00e2n c\u00e2y S\u01a1n tra \u1edf S\u01a1n La, Y\u00ean B\u00e1i v\u00e0 L\u00e0o Cai:<\/p>\n

Bi\u1ec7n ph\u00e1p l\u00e2m sinh: ph\u00e1t d\u1ecdn d\u00e2y leo, c\u1ecf d\u1ea1i, c\u00e2y b\u1ee5i, x\u1edbi \u0111\u1ea5t vun g\u1ed1c quanh g\u1ed1c theo \u0111\u1ed9 r\u1ed9ng c\u1ee7a t\u00e1n c\u00e2y v\u00e0 k\u1ebft h\u1ee3p b\u00f3n th\u00fac sau m\u1ed7i v\u1ee5 thu ho\u1ea1ch qu\u1ea3, t\u1ec9a nh\u1eefng c\u00e0nh nh\u1ecf trong t\u00e1n c\u00e2y, c\u00e0nh m\u1ecdc song song, c\u00e0nh \u0111an ch\u00e9o, c\u00e0nh b\u1ecb s\u00e2u b\u1ec7nh h\u1ea1i, c\u00e0nh v\u01b0\u1ee3t, c\u00e0nh m\u1ecdc d\u01b0\u1edbi g\u1ed1c gh\u00e9p v\u00e0 b\u00f3n th\u00fac 500g ph\u00e2n NPK L\u00e2m Thao (16 -16 \u2013 8S)\/c\u00e2y v\u00e0 ngo\u00e0i ra b\u1ea3o v\u1ec7 tr\u00e2u, b\u00f2, gia s\u00fac ph\u00e1 ho\u1ea1i v\u00e0 ch\u00e1y r\u1eebng.<\/p>\n

Bi\u1ec7n ph\u00e1p th\u1ee7 c\u00f4ng: S\u1eed d\u1ee5ng dao nh\u1ecdn v\u00e0 s\u1eafc \u0111\u1ec3 thu tr\u1ee9ng v\u00e0 thu s\u00e2u non tu\u1ed5i 1 v\u00e0 tu\u1ed5i 2 n\u1eafm d\u01b0\u1edbi l\u1edbp v\u1ecf th\u00e2n v\u00e0 s\u1eed d\u1ee5ng v\u1ee3t l\u01b0\u1edbi \u0111\u1ec3 thu b\u1eaft tr\u01b0\u1edfng th\u00e0nh.<\/p>\n

Bi\u1ec7n ph\u00e1p s\u1eed d\u1ee5ng thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt: S\u1eed d\u1ee5ng thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt sinh h\u1ecdc phun x\u00e9n t\u00f3c tr\u01b0\u1edfng th\u00e0nh b\u1eb1ng ho\u1ea1t ch\u1ea5t Abamectin (Abatimec 3.6EC) v\u00e0 Bacillus thuringiensis <\/em>var. kurstaki 16.000 IU\/mg + Granulosis virus 108 PIB (Bitadin WP) v\u00e0 ho\u1ea1t ch\u1ea5t h\u00f3a h\u1ecdc Cypermethrin (Sherbush 25EC) v\u00e0 Etofenprox (Trebon 10EC) c\u00f3 hi\u1ec7u l\u1ef1c t\u1ed1t nh\u1ea5t \u0111\u1ec1u tr\u00ean 80%.<\/p>\n

\"\"<\/a><\/p>\n

X\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p B\u1ec7nh th\u1ed1i qu\u1ea3 c\u00e2y S\u01a1n tra \u1edf S\u01a1n La, Y\u00ean B\u00e1i v\u00e0 L\u00e0o Cai:<\/p>\n

Bi\u1ec7n ph\u00e1p l\u00e2m sinh: ph\u00e1t d\u1ecdn d\u00e2y leo, c\u1ecf d\u1ea1i, c\u00e2y b\u1ee5i, x\u1edbi \u0111\u1ea5t vun g\u1ed1c quanh g\u1ed1c theo \u0111\u1ed9 r\u1ed9ng c\u1ee7a t\u00e1n c\u00e2y v\u00e0 k\u1ebft h\u1ee3p b\u00f3n th\u00fac sau m\u1ed7i v\u1ee5 thu ho\u1ea1ch qu\u1ea3, t\u1ec9a nh\u1eefng c\u00e0nh nh\u1ecf trong t\u00e1n c\u00e2y, c\u00e0nh m\u1ecdc song song, c\u00e0nh \u0111an ch\u00e9o, c\u00e0nh b\u1ecb s\u00e2u b\u1ec7nh h\u1ea1i, c\u00e0nh v\u01b0\u1ee3t, c\u00e0nh m\u1ecdc d\u01b0\u1edbi g\u1ed1c gh\u00e9p v\u00e0 b\u00f3n th\u00fac 500g ph\u00e2n NPK L\u00e2m Thao (16 -16 \u2013 8S)\/c\u00e2y v\u00e0 ngo\u00e0i ra b\u1ea3o v\u1ec7 tr\u00e2u, b\u00f2, gia s\u00fac ph\u00e1 ho\u1ea1i v\u00e0 ch\u00e1y r\u1eebng.<\/p>\n

S\u1eed d\u1ee5ng thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt sinh h\u1ecdc: Phun ch\u1ebf ph\u1ea9m sinh h\u1ecdc t\u1eeb n\u1ea5m \u0111\u1ed1i kh\u00e1ng Trichoderma harzianum <\/em>(Zianum 1.00wp) v\u00e0 Trichoderma viride <\/em>(Biobus 1.00wp) v\u00e0 ho\u1ea1t ch\u1ea5t Difenoconazole (Score 250EC) v\u00e0 Mancozeb (Unizebando 800WP) \u0111\u1ea1t hi\u1ec7u l\u1ef1c cao nh\u1ea5t \u0111\u1ec1u tr\u00ean 80%.<\/p>\n

X\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c 03 m\u00f4 h\u00ecnh (2ha\/m\u00f4 h\u00ecnh) ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra \u0111\u00e3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 tr\u00ean 80% v\u00e0 tr\u00ean 15% so v\u1edbi \u0111\u1ed1i ch\u1ee9ng.<\/p>\n

\u0110\u1ec1 t\u00e0i \u0111\u00e3 th\u00f4ng qua quy tr\u00ecnh k\u1ef9 thu\u1eadt ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra t\u1ea1i t\u1ec9nh Y\u00ean B\u00e1i<\/p>\n

T\u1eadp hu\u1ea5n chuy\u1ec3n giao quy tr\u00ecnh ph\u00f2ng tr\u1eeb t\u1ed5ng h\u1ee3p s\u00e2u, b\u1ec7nh h\u1ea1i ch\u00ednh c\u00e2y S\u01a1n tra t\u1ea1i S\u01a1n La 30 ng\u01b0\u1eddi, Y\u00ean B\u00e1i 30 ng\u01b0\u1eddi v\u00e0 L\u00e0o Cai 30 ng\u01b0\u1eddi.<\/p>\n

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

Th\u1ef1c hi\u1ec7n Quy\u1ebft \u0111\u1ecbnh s\u1ed1: 147\/Q\u0110-KHLN-KH ng\u00e0y 24 th\u00e1ng 4 n\u0103m 2023 c\u1ee7a c\u1ee7a Gi\u00e1m \u0111\u1ed1c Vi\u1ec7n v\u1ec1 vi\u1ec7c Th\u00e0nh l\u1eadp H\u1ed9i \u0111\u1ed3ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7. Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 t\u1ed5 ch\u1ee9c h\u1ecdp H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i KHCN c\u1ea5p Qu\u1ed1c gia: Nghi\u00ean c\u1ee9u gi\u1ea3i ph\u00e1p ph\u00f2ng […]<\/p>\n","protected":false},"author":2,"featured_media":22639,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/22636"}],"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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=22636"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/22636\/revisions"}],"predecessor-version":[{"id":22641,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/22636\/revisions\/22641"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media\/22639"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=22636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=22636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=22636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}