{"id":9051,"date":"2009-04-20T08:23:26","date_gmt":"2009-04-20T01:23:26","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2009\/04\/buoc-dau-danh-gia-kha-nang-khang-nam-quambalaria-eucatypti-gay-benh-bach-dan-qua-khao-nghiem-loaixuat-xu-tai-dai-lai-vinh-phuc\/"},"modified":"2013-10-06T09:01:12","modified_gmt":"2013-10-06T02:01:12","slug":"buoc-dau-danh-gia-kha-nang-khang-nam-quambalaria-eucatypti-gay-benh-bach-dan-qua-khao-nghiem-loaixuat-xu-tai-dai-lai-vinh-phuc","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/buoc-dau-danh-gia-kha-nang-khang-nam-quambalaria-eucatypti-gay-benh-bach-dan-qua-khao-nghiem-loaixuat-xu-tai-dai-lai-vinh-phuc\/","title":{"rendered":"B\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng kh\u00e1ng n\u1ea5m Quambalaria eucatypti g\u00e2y b\u1ec7nh b\u1ea1ch \u0111\u00e0n qua kh\u1ea3o nghi\u1ec7m lo\u00e0i\/xu\u1ea5t x\u1ee9 t\u1ea1i \u0110\u1ea1i L\u1ea3i – V\u0129nh Ph\u00fac"},"content":{"rendered":"\n
Nguy\u1ec5n Quang D\u0169ng<\/strong>, Ph\u1ea1m Quang Thu<\/strong> <\/div>\n
<\/strong>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam <\/em> <\/div>\n
T\u00d3M T\u1eaeT <\/strong>\n<\/div>\n
B\u1ea1ch \u0111\u00e0n b\u1ecb h\u1ea1i nghi\u00eam tr\u1ecdng b\u1edfi c\u00e1c lo\u00e0i thu\u1ed9c chi Quambalaria<\/em> \u0111\u00e3 tr\u1edf l\u00ean ph\u1ed5 bi\u1ebfn \u1edf nhi\u1ec1u qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edbi, \u0111\u1eb7c bi\u1ec7t \u1edf C\u1ed9ng ho\u00e0 Nam Phi, \u00d4xtr\u00e2ylia, Brasil, Uruguay, Trung Qu\u1ed1c v\u00e0 Th\u00e1i Lan. \u1ede Vi\u1ec7t Nam, h\u1ea7u nh\u01b0 ch\u01b0a c\u00f3 nh\u1eefng nghi\u00ean c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y. Qua \u0111i\u1ec1u tra b\u1ec7nh g\u1ea7n \u0111\u00e2y tr\u00ean c\u00e1c khu r\u1eebng tr\u1ed3ng v\u00e0 khu kh\u1ea3o nghi\u1ec7m b\u1ea1ch \u0111\u00e0n tu\u1ed5i nh\u1ecf \u1edf c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc Vi\u1ec7t Nam cho th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng kh\u00f4 ch\u1ed3i, c\u00e0nh non v\u00e0 l\u00e1 b\u1ea1ch \u0111\u00e0n \u0111\u00e3 xu\u1ea5t hi\u1ec7n. Nh\u1eefng tri\u1ec7u ch\u1ee9ng gi\u1ed1ng v\u1edbi tri\u1ec7u ch\u1ee9ng g\u00e2y b\u1ec7nh b\u1edfi c\u00e1c lo\u00e0i n\u1ea5m thu\u1ed9c chi Quambalaria<\/em>. Y\u00eau c\u1ea7u \u0111\u1eb7t ra l\u00e0 ph\u1ea3i x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u00e2y b\u1ec7nh \u0111\u00fang l\u00e0 do Quambalaria<\/em> \u0111\u00e3 xu\u1ea5t hi\u1ec7n v\u00e0 g\u00e2y h\u1ea1i cho c\u00e1c r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n \u1edf Vi\u1ec7t Nam hay ch\u01b0a v\u00e0 t\u00ecm gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 c\u1ea5p thi\u1ebft n\u00e0y. M\u1ed9t trong nh\u1eefng bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng c\u1ee7a lo\u1ea1i b\u1ec7nh n\u00e0y l\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c lo\u00e0i\/xu\u1ea5t x\u1ee9 b\u1ea1ch \u0111\u00e0n c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng b\u00eanh. 18 lo\u00e0i b\u1ea1ch \u0111\u00e0n g\u1ed3m 23 xu\u1ea5t x\u1ee9 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o x\u00e2y d\u1ef1ng kh\u1ea3o nghi\u1ec7m t\u1ea1i Vi\u1ec7t Nam trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ee3p t\u00e1c gi\u1eefa Ph\u00f2ng nghi\u00ean c\u1ee9u B\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt r\u1eebng v\u1edbi Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Mudorch, \u00d4xtr\u00e2ylia. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y l\u1ea7n \u0111\u1ea7u ti\u00ean lo\u00e0i n\u1ea5m g\u00e2y kh\u00f4 ng\u1ecdn v\u00e0 l\u00e1 b\u1ea1ch \u0111\u00e0n, Quambalaria <\/em>sp.\u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf Vi\u1ec7t Nam. Ngo\u00e0i ra, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c 12 xu\u1ea5t x\u1ee9 c\u1ee7a 10 lo\u00e0i b\u1ea1ch \u0111\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi Quambalaria <\/em>sp.; 11 xu\u1ea5t x\u1ee9c\u1ee7a 10 lo\u00e0i b\u1ea1ch \u0111\u00e0n m\u1eabn c\u1ea3m v\u1edbi Quambalaria <\/em>sp.<\/strong> <\/div>\n
T\u1eeb kho\u00e1: <\/strong>B\u1ea1ch \u0111\u00e0n, Quambalaria <\/em>sp,, ch\u1ed1ng ch\u1ecbu, , lo\u00e0i, xu\u1ea5t x\u1ee9 <\/div>\n
M\u1ede \u0110\u1ea6U<\/strong> <\/div>\n
B\u1ea1ch \u0111\u00e0n hi\u1ec7n \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf h\u1ea7u kh\u1eafp c\u00e1c t\u1ec9nh trung du, mi\u1ec1n n\u00fai 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 b\u00e0 con c\u00e1c t\u1ec9nh mi\u1ec1n n\u00fai. Theo s\u1ed1 li\u1ec7u t\u1eeb Vi\u1ec7n \u0110i\u1ec1u tra quy ho\u1ea1ch r\u1eebng n\u0103m 2005, di\u1ec7n t\u00edch r\u1eebng b\u1ea1ch \u0111\u00e0n lo\u1ea1i l\u00e0 348.002 ha, chi\u1ebfm 23,7% t\u1ed5ng di\u1ec7n t\u00edch r\u1eebng tr\u1ed3ng trong c\u1ea3 n\u01b0\u1edbc. C\u00e2y b\u1ea1ch \u0111\u00e0n \u0111\u01b0\u1ee3c ch\u1ecdn tr\u1ed3ng r\u1eebng ph\u1ed5 bi\u1ebfn nh\u01b0 v\u1eady l\u00e0 b\u1edfi b\u1ea1ch \u0111\u00e0n c\u00f3 th\u1ec3 s\u1ed1ng, sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n tr\u00ean nhi\u1ec1u v\u00f9ng sinh th\u00e1i kh\u00e1c nhau, \u0111\u1ea5t tr\u1ed1ng \u0111\u1ed3i n\u00fai tr\u1ecdc, \u0111\u1ea5t tho\u00e1i ho\u00e1, c\u1eb1n c\u1ed7i v\u00e0 ngh\u00e8o dinh d\u01b0\u1ee1ng. H\u01a1n n\u1eefa, \u0111\u00e2y c\u0169ng l\u00e0 lo\u00e0i c\u00e2y cho g\u1ed7 t\u1ed1t, 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 v\u00e0 d\u0103m xu\u1ea5t kh\u1ea9u.Tuy nhi\u00ean, hi\u1ec7n nay t\u1ea1i m\u1ed9t s\u1ed1 r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n \u0111\u00e3 xu\u1ea5t hi\u1ec7n m\u1ed9t lo\u00e0i n\u1ea5m l\u1ea1 g\u00e2y h\u1ea1i, \u0111e do\u1ea1 nguy hi\u1ec3m cho s\u1ef1 sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111\u00e0n \u1edf Vi\u1ec7t Nam. D\u1ef1a v\u00e0o tri\u1ec7u ch\u1ee9ng, b\u01b0\u1edbc \u0111\u1ea7u lo\u00e0i n\u00e0y \u0111\u01b0\u1ee3c cho thu\u1ed9c chi n\u1ea5m Quambalaria<\/em>. <\/div>\n
C\u1eadp nh\u1eadt t\u1ea1i \u0111\u00e2y<\/strong><\/a> <\/div>\n","protected":false},"excerpt":{"rendered":"

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\nB\u1ea1ch \u0111àn b\u1ecb h\u1ea1i nghiêm tr\u1ecdng b\u1edfi các loài thu\u1ed9c chi Quambalaria<\/em> \u0111ã tr\u1edf lên ph\u1ed5 bi\u1ebfn \u1edf nhi\u1ec1u qu\u1ed1c gia trên th\u1ebf gi\u1edbi, \u0111\u1eb7c bi\u1ec7t \u1edf C\u1ed9ng hoà Nam Phi, Ôxtrâylia, Brasil, Uruguay, Trung Qu\u1ed1c và Thái Lan. \u1ede Vi\u1ec7t Nam, h\u1ea7u nh\u01b0 ch\u01b0a có nh\u1eefng nghiên c\u1ee9u v\u1ec1 v\u1ea5n \u0111\u1ec1 này. Qua \u0111<\/span>i\u1ec1u tra b\u1ec7nh g\u1ea7n \u0111ây trên các khu r\u1eebng tr\u1ed3ng và khu kh\u1ea3o nghi\u1ec7m b\u1ea1ch \u0111àn tu\u1ed5i nh\u1ecf \u1edf các t\u1ec9nh phía B\u1eafc Vi\u1ec7t Nam cho th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng khô ch\u1ed3i, cành non và lá b\u1ea1ch \u0111àn \u0111ã xu\u1ea5t hi\u1ec7n. Nh\u1eefng tri\u1ec7u ch\u1ee9ng gi\u1ed1ng v\u1edbi tri\u1ec7u ch\u1ee9ng gây b\u1ec7nh b\u1edfi các loài n\u1ea5m thu\u1ed9c chi Quambalaria<\/em>. Yêu c\u1ea7u \u0111\u1eb7t ra là ph\u1ea3i xác \u0111\u1ecbnh nguyên nhân gây b\u1ec7nh \u0111úng là <\/span>do Quambalaria<\/em> \u0111ã xu\u1ea5t hi\u1ec7n và gây h\u1ea1i cho các r\u1eebng tr\u1ed3ng b\u1ea1ch \u0111àn \u1edf Vi\u1ec7t Nam hay ch\u01b0a và tìm gi\u1ea3i pháp cho v\u1ea5n \u0111\u1ec1 c\u1ea5p thi\u1ebft này. M\u1ed9t trong nh\u1eefng bi\u1ec7n pháp gi\u1ea3m thi\u1ec3u \u1ea3nh h\u01b0\u1edfng c\u1ee7a lo\u1ea1i b\u1ec7nh này là l\u1ef1a ch\u1ecdn các loài\/xu\u1ea5t x\u1ee9 b\u1ea1ch \u0111àn có kh\u1ea3 n\u0103ng kháng bênh. 18 loài b\u1ea1ch \u0111àn g\u1ed3m 23 xu\u1ea5t x\u1ee9 \u0111\u01b0\u1ee3c \u0111\u01b0a vào xây d\u1ef1ng kh\u1ea3o nghi\u1ec7m t\u1ea1i Vi\u1ec7t Nam trong ch\u01b0\u01a1ng trình h\u1ee3p tác gi\u1eefa Phòng nghiên c\u1ee9u B\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt r\u1eebng v\u1edbi Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Mudorch, Ôxtrâylia. K\u1ebft qu\u1ea3 nghiên c\u1ee9u cho th\u1ea5y l\u1ea7n \u0111\u1ea7u tiên loài n\u1ea5m gây khô ng\u1ecdn và lá b\u1ea1ch \u0111àn, Quambalaria <\/em>sp. <\/em>\u0111ã \u0111\u01b0\u1ee3c tìm th\u1ea5y \u1edf Vi\u1ec7t Nam. Ngoài ra, xác \u0111\u1ecbnh \u0111\u01b0\u1ee3c 12 xu\u1ea5t x\u1ee9 c\u1ee7a 10 loài b\u1ea1ch \u0111àn có kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi Quambalaria <\/em>sp.; 11 xu\u1ea5t x\u1ee9 <\/span>c\u1ee7a 10 loài b\u1ea1ch \u0111àn m\u1eabn c\u1ea3m v\u1edbi Quambalaria <\/em>sp.<\/font><\/font>\n<\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9051"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9051"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9051\/revisions"}],"predecessor-version":[{"id":10505,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9051\/revisions\/10505"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}