{"id":14113,"date":"2015-01-09T10:43:35","date_gmt":"2015-01-09T03:43:35","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=14113"},"modified":"2015-01-09T10:48:53","modified_gmt":"2015-01-09T03:48:53","slug":"bao-cao-ket-qua-nghien-cuu-de-tai-nghien-cuu-khao-nghiem-va-ky-thuat-trong-tham-canh-mot-so-giong-tien-bo-ky-thuat-duoc-cong-nhan-nhung-nam-gan-day-cho-keo-va-bach-dan-tai-mot-so-vung-trong-diem","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-ket-qua-nghien-cuu-de-tai-nghien-cuu-khao-nghiem-va-ky-thuat-trong-tham-canh-mot-so-giong-tien-bo-ky-thuat-duoc-cong-nhan-nhung-nam-gan-day-cho-keo-va-bach-dan-tai-mot-so-vung-trong-diem\/","title":{"rendered":"B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u kh\u1ea3o nghi\u1ec7m v\u00e0 k\u1ef9 thu\u1eadt tr\u1ed3ng th\u00e2m canh m\u1ed9t s\u1ed1 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y cho keo v\u00e0 b\u1ea1ch \u0111\u00e0n t\u1ea1i m\u1ed9t s\u1ed1 v\u00f9ng tr\u1ecdng \u0111i\u1ec3m"},"content":{"rendered":"

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b>C\u01a1 quan ch\u1ee7 tr\u00ec: Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em><\/p>\n

Ch\u1ee7 nhi\u1ec7m \u0111\u1ec1 t\u00e0i: PGS. TS. Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a<\/em><\/p>\n

\u00a01. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/b><\/p>\n

Keo va\u0300 B\u1ea1ch \u0111\u00e0n hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn l\u00e0m hai trong s\u1ed1 c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh \u1edf Vi\u1ec7t Nam v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t tri\u1ec3n kinh t\u1ebf x\u00e3 h\u1ed9i \u1edf Vi\u1ec7t Nam, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi \u0111\u1eddi s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00e2n c\u00e1c t\u1ec9nh mi\u1ec1n n\u00fai. H\u01a1n n\u1eefa, \u0111\u00e2y c\u0169ng l\u00e0 c\u00e1c lo\u00e0i c\u00e2y c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao, c\u00f3 th\u1ecb tr\u01b0\u1eddng v\u1ec1 nguy\u00ean li\u1ec7u gi\u1ea5y, d\u0103m va\u0300 \u0111\u00f4\u0300 g\u00f4\u0303 xu\u1ea5t kh\u1ea9u. \u0110\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c lo\u00e0i keo r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u0111\u1ec3 \u0111\u00f3ng \u0111\u1ed3 gia d\u1ee5ng.<\/p>\n

C\u00f4ng t\u00e1c ch\u1ecdn, t\u1ea1o gi\u1ed1ng keo v\u00e0 b\u1ea1ch \u0111\u00e0n \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng th\u00e0nh c\u00f4ng nh\u1ea5t \u0111\u1ecbnh, h\u00e0ng lo\u1ea1t c\u00e1c g\u1ed1ng m\u1edbi \u0111\u00e3 \u0111\u01b0\u1ee3c B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n N\u00f4ng th\u00f4n c\u00f4ng nh\u1eadn l\u00e0 gi\u1ed1ng qu\u1ed1c gia v\u00e0 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt t\u1ea1i c\u00e1c \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m gi\u1ed1ng c\u1ee5 th\u1ec3. C\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh cho keo v\u00e0 b\u1ea1ch \u0111\u00e0n \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i m\u1ed9t s\u1ed1 v\u00f9ng. Tuy nhi\u00ean c\u00e1c gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt k\u1ec3 tr\u00ean h\u1ea7u h\u1ebft ch\u01b0a \u0111\u01b0\u1ee3c kh\u1ea3o nghi\u1ec7m m\u1ed9t c\u00e1ch r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u v\u00f9ng sinh th\u00e1i, s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a c\u00e1c gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt tr\u00ean \u0111\u1ed1i v\u1edbi c\u00e1c v\u00f9ng sinh th\u00e1i \u0111\u01b0\u1ee3c bi\u1ebft hi\u1ec7n nay r\u1ea5t h\u1ea1n h\u1eb9p, m\u1ed7i d\u00f2ng ch\u1ec9 ph\u00f9 h\u1ee3p tr\u00ean 1 \u0111\u1ebfn 2 v\u00f9ng. Th\u00eam v\u00e0o \u0111\u00f3, c\u00e1c gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt k\u1ec3 tr\u00ean h\u1ea7u h\u1ebft m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1eb7t sinh tr\u01b0\u1edfng, ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1eb7t b\u1ec7nh h\u1ea1i ngo\u1ea1i tr\u1eeb m\u1ed9t s\u1ed1 d\u00f2ng keo lai nh\u01b0 AH7, AH1 v\u00e0 m\u1ed9t s\u1ed1 d\u00f2ng Keo l\u00e1 tr\u00e0m nh\u01b0 AA9, AA15 v\u00e0 AA1 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 v\u1ec1 t\u00ednh kh\u00e1ng b\u1ec7nh. K\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u1edf m\u1ed9t s\u1ed1 v\u00f9ng sinh th\u00e1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh cho c\u00e1c d\u00f2ng b\u1ea1ch \u0111\u00e0n lai ch\u01b0a c\u00f3. V\u00ec v\u1eady ti\u1ebfn h\u00e0nh kh\u1ea3o nghi\u1ec7m c\u00e1c gi\u1ed1ng tr\u00ean n\u0103m v\u00f9ng sinh th\u00e1i v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt th\u00e2m canh \u1edf c\u00e1c v\u00f9ng sinh th\u00e1i l\u00e0 c\u1ea7n thi\u1ebft v\u00e0 c\u00f3 \u00fd ngh\u0129a khoa h\u1ecdc v\u00e0 th\u1ef1c ti\u1ec5n.<\/p>\n

T\u1eeb th\u1ef1c ti\u1ec5n tr\u00ean, B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n n\u00f4ng th\u00f4n \u0111a\u0303 giao cho Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam ti\u1ebfn h\u00e0nh \u0111\u1ec1 t\u00e0i: \u201cNghi\u00ean c\u1ee9u kh\u1ea3o nghi\u1ec7m v\u00e0 k\u1ef9 thu\u1eadt tr\u1ed3ng th\u00e2m canh m\u1ed9t s\u1ed1 gi\u1ed1ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y cho keo v\u00e0 b\u1ea1ch \u0111\u00e0n t\u1ea1i m\u1ed9t s\u1ed1 v\u00f9ng tr\u1ecdng \u0111i\u1ec3m<\/i><\/b>\u201d giai \u0111o\u1ea1n 2009-2013. \u0110\u1ebfn nay \u0111\u1ec1 t\u00e0i \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 ban \u0111\u1ea7u. B\u00e1o c\u00e1o n\u00e0y tr\u00ecnh b\u00e0y k\u1ebft qu\u1ea3 \u0111\u1ec1 t\u00e0i \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n t\u1eeb tha\u0301ng 1 n\u0103m 2009 \u0111\u1ebfn tha\u0301ng 12 n\u0103m 2010.<\/p>\n

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

2. N\u1ed8I DUNG V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/b><\/p>\n

2.1. N\u00f4\u0323i dung nghi\u00ean c\u01b0\u0301u<\/i><\/b><\/p>\n

2.1.1. X\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh:<\/p>\n

a. Tr\u1ed3ng kh\u1ea3o nghi\u1ec7m c\u00e1c d\u00f2ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt keo lai, Keo l\u00e1 tr\u00e0m v\u00e0 b\u1ea1ch \u0111\u00e0n tr\u00ean theo quy tr\u00ecnh th\u00e2m canh nh\u1eb1m \u0111\u00e1nh gi\u00e1 n\u0103ng su\u1ea5t c\u1ee7a t\u1eebng d\u00f2ng (48ha)<\/p>\n

b. Kh\u1ea3o nghi\u1ec7m b\u1ed5 sung quy tr\u00ecnh k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh keo lai, Keo l\u00e1 tr\u00e0m v\u00e0 b\u1ea1ch \u0111\u00e0n (32ha)<\/p>\n

– Th\u00ed nghi\u1ec7m x\u00e2y d\u1ef1ng v\u01b0\u1eddn \u01b0\u01a1m b\u1eb1ng gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 (Kh\u00f4ng c\u00f3 \u0111\u1ea5t) v\u00e0 ph\u00e2n chu\u1ed3ng cho keo lai.<\/p>\n

– Th\u00ed nghi\u1ec7m v\u1ec1 m\u1eadt \u0111\u1ed9 (m\u1ed9t m\u1eadt \u0111\u1ed9 tr\u1ed3ng r\u1eebng ch\u00ednh theo c\u00e1c quy tr\u00ecnh tr\u1ed3ng r\u1eebng th\u00e2m canh keo v\u00e0 b\u1ea1ch \u0111\u00e0n v\u00e0 m\u1ed9t m\u1eadt \u0111\u1ed9 th\u1eed nghi\u1ec7m).<\/p>\n

– Th\u00ed nghi\u1ec7m v\u1ec1 ph\u00e2n b\u00f3n (ph\u00e2n NPK, ph\u00e2n h\u1eefu c\u01a1 vi sinh v\u00e0 ch\u1ebf ph\u1ea9m vi\u00ean n\u00e9n vi sinh v\u1eadt MF1 \u2013 \u0111\u00e2y l\u00e0 ch\u1ebf ph\u1ea9m l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam, c\u00f3 t\u00e1c d\u1ee5ng gi\u1eef n\u01b0\u1edbc, ch\u1ed1ng b\u1ec7nh th\u1ed1i c\u1ed5 r\u1ec5 cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y keo v\u00e0 b\u1ea1ch \u0111\u00e0n, \u0111\u1eb7c bi\u1ec7t ch\u1ed1ng b\u1ec7nh \u0111\u1ed1m l\u00e1, b\u1ec7nh kh\u00f4 c\u00e0nh ng\u1ecdn v\u00e0 ch\u00e1y l\u00e1 b\u1ea1ch \u0111\u00e0n do c\u00e1c lo\u00e0i n\u1ea5m r\u1ea5t nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi b\u1ea1ch \u0111\u00e0n l\u00e0 Cryptosporiopsis eucalypti<\/i> v\u00e0 Cylindrocladium quinqueseptatum<\/i> g\u00e2y ra).<\/p>\n

– <\/b>Th\u00ed nghi\u1ec7m tr\u1ed3ng r\u1eebng b\u1eb1ng c\u00e2y c\u00f3 b\u1ea7u gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 (cho keo lai) v\u00e0 ph\u00e2n b\u00f3n.<\/p>\n

– Th\u00ed nghi\u1ec7m tr\u1ed3ng b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p cu\u1ed1c h\u1ed1, c\u00e0y m\u1eb7t, c\u00e0y ng\u1ea7m<\/p>\n

2.1.2. X\u00e2y d\u1ef1ng 05 v\u01b0\u1eddn \u0111\u1ea7u d\u00f2ng nh\u1eefng d\u00f2ng c\u00f3 tri\u1ec3n v\u1ecdng tr\u00ean 5 v\u00f9ng sinh th\u00e1i<\/p>\n

2.1.3. X\u00e2y d\u1ef1ng d\u1ef1 th\u1ea3o quy tr\u00ecnh k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh v\u00e0 t\u1eadp hu\u1ea5n chuy\u1ec3n giao k\u1ef9 thu\u1eadt<\/p>\n

a. X\u00e2y d\u1ef1ng d\u1ef1 th\u1ea3o quy tr\u00ecnh k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh tr\u00ean 5 v\u00f9ng sinh th\u00e1i<\/p>\n

– D\u1ef1 th\u1ea3o quy tr\u00ecnh k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh cho keo lai;<\/p>\n

– D\u1ef1 th\u1ea3o quy tr\u00ecnh k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh cho Keo l\u00e1 tr\u00e0m;<\/p>\n

– D\u1ef1 th\u1ea3o quy tr\u00ecnh k\u1ef9 thu\u1eadt tr\u1ed3ng r\u1eebng th\u00e2m canh cho b\u1ea1ch \u0111\u00e0n;<\/p>\n

b. T\u1eadp hu\u1ea5n chuy\u1ec3n giao k\u1ef9 thu\u1eadt t\u1ea1i 5 v\u00f9ng sinh th\u00e1i<\/p>\n

2.2. Ph\u01b0\u01a1ng pha\u0301p nghi\u00ean c\u01b0\u0301u<\/i><\/b><\/p>\n

2.2.1. Ph\u01b0\u01a1ng pha\u0301p \u0111i\u00ea\u0300u tra b\u00ea\u0323nh ha\u0323i<\/i><\/p>\n

\u0110i\u1ec1u tra ph\u00e2n c\u1ea5p b\u1ec7nh h\u1ea1i (5 c\u1ea5p: t\u1eeb c\u1ea5p 0 \u0111\u1ebfn 4) cho c\u00e1c d\u00f2ng b\u1ea1ch \u0111\u00e0n v\u00e0 keo t\u1ea1i c\u00e1c khu kh\u1ea3o nghi\u1ec7m gi\u1ed1ng \u0111\u1ed1i v\u1edbi b\u1ec7nh h\u1ea1i l\u00e1 b\u1ea1ch \u0111\u00e0n, b\u1ec7nh h\u1ea1i th\u00e2n \u0111\u1ed1i v\u1edbi c\u00e1c lo\u00e0i keo theo 5 c\u1ea5p, t\u00ednh t\u1ef7 l\u1ec7 b\u1ecb b\u1ec7nh v\u00e0 ch\u1ec9 s\u1ed1 b\u1ec7nh b\u00ecnh qu\u00e2n cho m\u1ed7i d\u00f2ng\/gia \u0111\u00ecnh.<\/p>\n

2.2.2. Ph\u01b0\u01a1ng ph\u00e1p x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh<\/i><\/p>\n

a. Ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh<\/i><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft l\u1eadp c\u00e1c khu kh\u1ea3o nghi\u00ea\u0323m gi\u1ed1ng theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong Ti\u00eau chu\u00e2\u0309n nga\u0300nh 04 TCN 147 \u2013 2006 cu\u0309a B\u00f4\u0323 N\u00f4ng nghi\u00ea\u0323p va\u0300 Pha\u0301t tri\u00ea\u0309n N\u00f4ng th\u00f4n ban ha\u0300nh ke\u0300m theo quy\u00ea\u0301t \u0111i\u0323nh s\u00f4\u0301 4108\/Q\u0110\/BNN-KHCN nga\u0300y 29 tha\u0301ng 12 n\u0103m 2006. Kh\u1ea3o nghi\u1ec7m d\u00f2ng v\u00f4 t\u00ednh \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo kh\u1ed1i ng\u1eabu nhi\u00ean 8 l\u1ea7n l\u1eb7p, m\u1ed7i l\u1eb7p tr\u1ed3ng 10 c\u00e2y. Kh\u1ea3o nghi\u1ec7m di\u1ec7n r\u1ed9ng \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eadp trung theo \u0111\u00e1m t\u1eeb 100 c\u00e2y \u0111\u1ebfn 200 c\u00e2y, c\u00f3 th\u1ec3 c\u00f3 l\u1eb7p ho\u1eb7c kh\u00f4ng; c\u1ef1 ly tr\u1ed3ng: 2,0 x 3,0m.<\/p>\n

b. Ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3o nghi\u1ec7m b\u1ed5 sung quy tr\u00ecnh k\u1ef9 thu\u1eadt l\u00e2m sinh<\/i><\/p>\n

Tr\u1ed3ng b\u1ed5 sung th\u00ed nghi\u1ec7m v\u1ec1 m\u1eadt \u0111\u1ed9 (hai lo\u1ea1i m\u1eadt \u0111\u1ed9) v\u00e0 ph\u00e2n b\u00f3n (ph\u00e2n NPK, ph\u00e2n h\u1eefu c\u01a1 vi sinh v\u00e0 vi\u00ean n\u00e9n MF1)<\/p>\n

2.2.3. T\u00ednh to\u00e1n v\u00e0 x\u1eed l\u00fd s\u1ed1 li\u1ec7u<\/i><\/p>\n

S\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c x\u1ee9 l\u00fd b\u1eb1ng ph\u1ea7n m\u1ec1m GENSTAT 5 v\u00e0 Dataplus 3.0 \u0111\u1ed1i v\u1edbi c\u00e1c kh\u1ea3o nghi\u1ec7m gi\u1ed1ng (ph\u00e2n t\u00edch ph\u01b0\u01a1ng sai, \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng); c\u00e1c kh\u1ea3o nghi\u1ec7m di\u1ec7n r\u1ed9ng s\u1ed1 li\u1ec7u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n v\u00e0 x\u1eed l\u00fd b\u1eb1ng Excel 7.0.<\/p>\n

3. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U<\/b><\/p>\n

3.1. K\u00ea\u0301t qua\u0309 x\u00e2y d\u01b0\u0323ng kha\u0309o nghi\u00ea\u0323m <\/b><\/p>\n

– Th\u00ed nghi\u1ec7m x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c 01 v\u01b0\u1eddn \u01b0\u01a1m b\u1eb1ng gi\u00e1 th\u1ec3 h\u1eefu c\u01a1 (kh\u00f4ng c\u00f3 \u0111\u1ea5t) v\u00e0 ph\u00e2n chu\u1ed3ng cho keo lai.<\/p>\n

– \u0110\u1ec1 t\u00e0i \u0111\u00e3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c 60ha keo lai, Keo l\u00e1 tr\u00e0m v\u00e0 b\u1ea1ch \u0111\u00e0n tr\u00ean 5 v\u00f9ng sinh th\u00e1i:<\/p>\n

1. V\u00f9ng sinh th\u00e1i T\u00e2y B\u1eafc (x\u00e3 Tr\u01b0\u1eddng S\u01a1n, huy\u1ec7n L\u01b0\u01a1ng S\u01a1n, t\u1ec9nh H\u00f2a B\u00ecnh) 12ha,<\/p>\n

2. V\u00f9ng sinh th\u00e1i Trung T\u00e2m (x\u00e3 C\u1ea9m \u00c2n, huy\u1ec7n Tr\u1ea5n Y\u00ean, t\u1ec9nh Y\u00ean B\u00e1i) 12ha,<\/p>\n

3. V\u00f9ng sinh th\u00e1i B\u1eafc trung b\u1ed9 (x\u00e3 L\u01b0\u01a1ng S\u01a1n, Th\u01b0\u1eddng Xu\u00e2n, Thanh H\u00f3a) 12ha,<\/p>\n

4. V\u00f9ng sinh th\u00e1i T\u00e2y Nguy\u00ean (Tr\u1ea1m \u0110\u1eafc Plao, t\u1ec9nh\u00a0 \u0110\u1eafc N\u00f4ng) 12ha,<\/p>\n

5. V\u00f9ng sinh th\u00e1i T\u00e2y Nam B\u1ed9 (Ki\u00ean L\u01b0\u01a1ng, Ki\u00ean Giang) 12ha.<\/p>\n

C\u1ee5 th\u1ec3 m\u1ed7i v\u00f9ng nh\u01b0 sau:<\/i><\/p>\n

2009<\/span>:\u00a0 Keo lai: 0,5 ha kh\u1ea3o nghi\u1ec7m; 2ha m\u00f4 h\u00ecnh di\u1ec7n r\u1ed9ng\/v\u00f9ng;<\/p>\n

Keo l\u00e1 tr\u00e0m: 0,5ha kh\u1ea3o nghi\u1ec7m, 1ha m\u00f4 h\u00ecnh di\u1ec7n r\u1ed9ng\/v\u00f9ng;<\/p>\n

2010<\/span>: B\u1ea1ch \u0111\u00e0n 0,5ha kh\u1ea3o nghi\u1ec7m; 1,15ha m\u00f4 h\u00ecnh di\u1ec7n r\u1ed9ng; 0,9ha th\u00e2m canh b\u1ed5 sung quy tr\u00ecnh KTLS; 0,25ha th\u00ed nghi\u1ec7m c\u00e1c bi\u1ec7n ph\u00e1p cu\u1ed1c h\u1ed1, c\u00e0y m\u1eb7t, c\u00e0y ng\u1ea7m\/v\u00f9ng;<\/p>\n

Keo lai: 1,6ha m\u00f4 h\u00ecnh di\u1ec7n r\u1ed9ng; 1,35ha th\u00e2m canh b\u1ed5 sung quy tr\u00ecnh KTLS; 0,25ha th\u00ed nghi\u1ec7m c\u00e1c bi\u1ec7n ph\u00e1p cu\u1ed1c h\u1ed1, c\u00e0y m\u1eb7t, c\u00e0y ng\u1ea7m\/v\u00f9ng;<\/p>\n

Keo l\u00e1 tr\u00e0m 0,75ha m\u00f4 h\u00ecnh di\u1ec7n r\u1ed9ng; 1ha th\u00e2m canh b\u1ed5 sung quy tr\u00ecnh KTLS; 0,25ha th\u00ed nghi\u1ec7m c\u00e1c bi\u1ec7n ph\u00e1p cu\u1ed1c h\u1ed1, c\u00e0y m\u1eb7t, c\u00e0y ng\u1ea7m\/v\u00f9ng.<\/p>\n

– K\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m c\u00e1c gi\u1ed1ng keo lai v\u00e0 Keo l\u00e1 tr\u00e0m n\u0103m 2009 t\u1ea1i 5 v\u00f9ng sinh th\u00e1i cho th\u1ea5y c\u00e2y th\u00ed nghi\u1ec7m sinh tr\u01b0\u1edfng t\u1ed1t nh\u01b0 \u1edf Y\u00ean B\u00e1i (2009) v\u00e0 H\u00f2a B\u00ecnh (2010). Trong \u0111\u00f3:\u00a0 d\u00f2ng AH1 sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t \u1edf c\u1ea3 n\u0103m \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf Y\u00ean B\u00e1i. C\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m tuy sinh tr\u01b0\u1edfng k\u00e9m h\u01a1n c\u00e1c d\u00f2ng keo lai nh\u01b0ng c\u00e1c d\u00f2ng AA1, AA9 v\u00e0 AA15 r\u1ea5t c\u00f3 tri\u1ec3n v\u1ecdng t\u1ea1i c\u00e1c \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m.<\/p>\n

3.2. K\u00ea\u0301t qua\u0309 \u0111i\u00ea\u0300u tra b\u00ea\u0323nh h\u1ea1i b\u1ea1ch \u0111\u00e0n v\u00e0 keo <\/b><\/p>\n

K\u1ebft qu\u1ea3 \u0111i\u1ec1u tra r\u1eebng tr\u1ed3ng th\u00ed nghi\u1ec7m n\u0103m 2009 t\u1ea1i 5 v\u00f9ng sinh th\u00e1i cho th\u1ea5y c\u00e1c d\u00f2ng keo lai v\u00e0 Keo l\u00e1 tr\u00e0m m\u1edbi b\u1ecb m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ec7nh h\u1ea1i kh\u00f4ng nguy hi\u1ec3m, b\u1ecb h\u1ea1i \u1edf m\u1ee9c nh\u1eb9 v\u00e0 t\u1ef7 l\u1ec7 b\u1ecb b\u1ec7nh th\u1ea5p. C\u00e1c lo\u1ea1i b\u1ec7nh ch\u00ednh h\u1ea1i keo t\u1ea1i c\u00e1c v\u00f9ng \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p trong c\u00e1c b\u1ea3ng sau:<\/p>\n

Ba\u0309ng 1: Danh m\u1ee5c c\u00e1c sinh v\u1eadt g\u00e2y b\u1ec7nh trong khu kh\u1ea3o nghi\u1ec7m t\u1ea1i Y\u00ean B\u00e1i<\/b><\/p>\n

\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

T\u00ean sinh v\u1eadt g\u00e2y b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

C\u00e2y ch\u1ee7<\/b><\/p>\n<\/td>\n

\n

T\u00ean b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

B\u1ed9 ph\u1eadn b\u1ecb h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

Pestalotiopsis neglecta<\/i><\/p>\n<\/td>\n

\n

Keo l\u00e1 tr\u00e0m, keo lai<\/p>\n<\/td>\n

\n

B\u1ec7nh h\u00e9o l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

Oidium<\/i> acaciae<\/i><\/p>\n<\/td>\n

\n

Keo l\u00e1 tr\u00e0m, keo lai<\/p>\n<\/td>\n

\n

B\u1ec7nh ph\u1ea5n tr\u1eafng<\/p>\n<\/td>\n

\n

C\u00e2y con<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

Phomopsis <\/i>sp.<\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Ba\u0309<\/b>ng 2: Danh m\u1ee5c c\u00e1c sinh v\u1eadt g\u00e2y b\u1ec7nh keo \u1edf H\u00f2a B\u00ecnh<\/b><\/p>\n

\n\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

T\u00ean sinh v\u1eadt g\u00e2y b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

C\u00e2y ch\u1ee7<\/b><\/p>\n<\/td>\n

\n

T\u00ean b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

B\u1ed9 ph\u1eadn b\u1ecb h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

Meliola brisbanensis<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

B\u1ed3 h\u00f3ng<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

Oidium<\/i> acaciae<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

B\u1ec7nh ph\u1ea5n tr\u1eafng<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

Pestalotiopsis neglecta<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

Phomopsis <\/i>sp.<\/i><\/p>\n<\/td>\n

\n

Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Ba\u0309<\/b>ng 3: Danh m\u1ee5c c\u00e1c sinh v\u1eadt g\u00e2y b\u1ec7nh keo \u1edf Thanh H\u00f3a<\/b><\/p>\n

\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

T\u00ean sinh v\u1eadt g\u00e2y b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

C\u00e2y ch\u1ee7<\/b><\/p>\n<\/td>\n

\n

T\u00ean b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

B\u1ed9 ph\u1eadn b\u1ecb h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

Oidium<\/i> acaciae<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

B\u1ec7nh ph\u1ea5n tr\u1eafng<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

Pestalotiopsis neglecta<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Ba\u0309<\/b>ng 4: Danh m\u1ee5c c\u00e1c sinh v\u1eadt g\u00e2y b\u1ec7nh keo \u1edf \u0110\u1eafc N\u00f4ng<\/b><\/p>\n

\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

T\u00ean sinh v\u1eadt g\u00e2y b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

C\u00e2y ch\u1ee7<\/b><\/p>\n<\/td>\n

\n

T\u00ean b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

B\u1ed9 ph\u1eadn b\u1ecb h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

Oidium<\/i> acaciae<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

B\u1ec7nh ph\u1ea5n tr\u1eafng<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

Pestalotiopsis neglecta<\/i><\/p>\n<\/td>\n

\n

keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

Phomopsis <\/i>sp.<\/i><\/p>\n<\/td>\n

\n

Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Ba\u0309<\/b>ng 5: Danh m\u1ee5c c\u00e1c sinh v\u1eadt g\u00e2y b\u1ec7nh keo \u1edf Ki\u00ean Giang<\/b><\/p>\n

\n\n\n\n\n\n\n\n
\n

TT<\/b><\/p>\n<\/td>\n

\n

T\u00ean sinh v\u1eadt g\u00e2y b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

C\u00e2y ch\u1ee7<\/b><\/p>\n<\/td>\n

\n

T\u00ean b\u1ec7nh<\/b><\/p>\n<\/td>\n

\n

B\u1ed9 ph\u1eadn b\u1ecb h\u1ea1i<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

Meliola brisbanensis<\/i><\/p>\n<\/td>\n

\n

Keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

Pestalotiopsis neglecta<\/i><\/p>\n<\/td>\n

\n

Keo lai, Keo l\u00e1 tr\u00e0m<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

Phomopsis <\/i>sp.<\/i><\/p>\n<\/td>\n

\n

Keo lai<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

Phyllosticta <\/i>sp.<\/p>\n<\/td>\n

\n

Keo lai<\/p>\n<\/td>\n

\n

\u0110\u1ed1m l\u00e1<\/p>\n<\/td>\n

\n

L\u00e1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u00a0<\/b><\/p>\n

\u00a0<\/b><\/p>\n

4. K\u1ebeT LU\u1eacN<\/b><\/p>\n

– C\u00e1c d\u00f2ng keo lai 1 tu\u1ed5i sinh tr\u01b0\u1edfng t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00f2ng AH1 sinh tr\u01b0\u1edfng t\u1ed1t nh\u1ea5t \u1edf c\u1ea3 n\u0103m \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m.<\/p>\n

– C\u00e1c d\u00f2ng Keo l\u00e1 tr\u00e0m tuy sinh tr\u01b0\u1edfng k\u00e9m h\u01a1n c\u00e1c d\u00f2ng keo lai nh\u01b0ng c\u00e1c d\u00f2ng AA1, AA9 v\u00e0 AA15 r\u1ea5t c\u00f3 tri\u1ec3n v\u1ecdng t\u1ea1i c\u00e1c \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m.<\/p>\n

– T\u1ea1i c\u00e1c \u0111i\u1ec3m kh\u1ea3o nghi\u1ec7m \u0111\u1ec1u c\u00f3 xu\u1ea5t hi\u1ec7n b\u1ec7nh nh\u01b0ng m\u1edbi ch\u1ec9 th\u1ea5y c\u00e1c b\u1ec7nh h\u1ea1i l\u00e1 v\u1edbi m\u1ee9c \u0111\u1ed9 b\u1ecb h\u1ea1i nh\u1eb9, ch\u01b0a \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn sinh tr\u01b0\u1edfng c\u1ee7a c\u00e2y.<\/p>\n

\u00a0<\/b><\/p>\n

T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/b><\/p>\n

Ti\u1ebfng Anh<\/b><\/p>\n

– Caroline Mohamed et al, 2003 Heart rot disease of Acacias in Indonesia, 8th<\/sup> ICPP 2003, Christchurch New Zealand.<\/p>\n

– Ken Old et al, 2003 A manual of Diseases of Eucalypts in Soth-east Asia, CIFOR<\/p>\n

– Thu PQ, Griffiths MW, Pegg GS,\u00a0 McDonald, JM, Wylie, FR, King J and Lawson,SA. 2010. Healthy Plantations: A field guide to pets and pathogens of Acacia, Eucalyptus and Pinus in Vietnam. Department of Employment, Economic, Deverlopment and Innovation, Queensland, Australia.<\/p>\n

Ti\u1ebfng Vi\u1ec7t<\/b><\/p>\n

– Lester W. Burgess, Timothy E. Knight, Len Tesoriero, Phan Thuy Hien, 2009. C\u1ea9m nang chu\u1ea9n \u0111o\u00e1n b\u1ec7nh c\u00e2y \u1edf Vi\u1ec7t Nam. Chuy\u00ean kh\u1ea3o ACIAR, s\u1ed1 129A, 210pp.<\/p>\n

– L\u00ea \u0110\u00ecnh Kh\u1ea3 2002. Nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng cho m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u1ee7 y\u1ebfu. \u0110\u1ec1 t\u00e0i c\u1ea5p Nh\u00e0 n\u01b0\u1edbc KHCN 08-04. Giai \u0111o\u1ea1n1: 1996-2001, B\u00e1o c\u00e1o khoa h\u1ecdc, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/p>\n

– Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, 2006. Nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng kh\u00e1ng b\u1ec7nh c\u00f3 n\u0103ng su\u1ea5t cao cho m\u1ed9t s\u1ed1 lo\u00e0i b\u1ea1ch \u0111\u00e0n v\u00e0 keo. \u0110\u1ec1 t\u00e0i c\u1ea5p B\u1ed9, Giai \u0111o\u1ea1n 1: 2001-2005. B\u00e1o c\u00e1o khoa h\u1ecdc, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u01a1 quan ch\u1ee7 tr\u00ec: Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam Ch\u1ee7 nhi\u1ec7m \u0111\u1ec1 t\u00e0i: PGS. TS. Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a \u00a01. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0 Keo va\u0300 B\u1ea1ch \u0111\u00e0n hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn l\u00e0m hai trong s\u1ed1 c\u00e1c lo\u00e0i c\u00e2y tr\u1ed3ng r\u1eebng ch\u00ednh \u1edf Vi\u1ec7t Nam v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14113"}],"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=14113"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14113\/revisions"}],"predecessor-version":[{"id":14117,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14113\/revisions\/14117"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=14113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=14113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=14113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}