{"id":558,"date":"2017-03-09T10:25:29","date_gmt":"2017-03-09T03:25:29","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=558"},"modified":"2017-03-09T10:25:29","modified_gmt":"2017-03-09T03:25:29","slug":"su-can-thiet-phai-bao-ton-insitu","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=558","title":{"rendered":"S\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i b\u1ea3o t\u1ed3n insitu"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td colspan=\"2\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1ef1 \u0111e do\u1ea1 ti\u1ec1m t\u00e0ng c\u1ee7a\u00a0 x\u00f3i m\u00f2n \u0111a d\u1ea1ng di truy\u1ec1n th\u1ef1c v\u1eadt \u0111\u1ebfn cung c\u1ea5p l\u01b0\u01a1ng th\u1ef1c tr\u00ean th\u1ebf gi\u1edbi \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eeba nh\u1eadn t\u1eeb l\u00e2u v\u00e0 \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u1ea3o t\u1ed3n ex situ v\u1eadt li\u1ec7u di truy\u1ec1n t\u1ea1i c\u00e1c ng\u00e2n h\u00e0ng gen (Bornner, 1991). Trong khi \u0111\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 l\u1ee3i, n\u00f3 v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u1ec1 hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1 r\u1ed9ng. Tr\u01b0\u1edbc h\u1ebft, vi\u1ec7c b\u1ea3o qu\u1ea3n ex situ \u0111\u00e3 l\u00e0m &#8220;\u0111\u00f4ng c\u1ee9ng&#8221; qu\u00e1 tr\u00ecnh ti\u1ebfn ho\u00e1 t\u1ef1 nhi\u00ean (Altieri v\u00e0 Merrick, 1988). Th\u1ee9 hai, c\u00e1c t\u1eadp \u0111o\u00e0n ex situ d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng c\u1ee7a nh\u1eefng sai s\u00f3t trong qu\u1ea3n l\u00fd v\u00e0 l\u1eaby nhi\u1ec5m b\u1ec7nh qua h\u1ea1t (Wood, 1993). Ch\u00ednh kh\u1ea3 n\u0103ng b\u1ea3o qu\u1ea3n m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn c\u00e1c genotype v\u00e0 alen trong qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a \u0111\u00e3 l\u00e0m cho ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o qu\u1ea3n in situ c\u00f3 l\u1ee3i th\u1ebf so s\u00e1nh \u0111\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p exsitu.<br \/>\nNh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a b\u1ea3o qu\u1ea3n insitu bao g\u1ed3m s\u1ef1 ti\u1ebfp t\u1ee5c c\u1ee7a qu\u00e1 tr\u00ecnh ti\u1ebfn ho\u00e1 v\u00e0 th\u00edch nghi c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n. N\u00f3 c\u0169ng cho ph\u00e9p s\u1ef1 ti\u1ebfn ho\u00e1 c\u1ee7a h\u1ec7 sinh th\u00e1i c\u1ea3nh quan t\u00f9y thu\u1ed9c v\u00e0o s\u1ef1 thay \u0111\u1ed5i c\u1ee7a th\u1eddi ti\u1ebft. B\u1ea3o t\u1ed3n in situ c\u00f3 nh\u1eefng ti\u1ec1m n\u0103ng sau \u0111\u00e2y:<br \/>\n(1) B\u1ea3o t\u1ed3n qu\u00e1 tr\u00ecnh th\u00edch nghi c\u1ee7a c\u00e1c gi\u1ed1ng \u0111\u1ecba ph\u01b0\u01a1ng v\u1edbi m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a ch\u00fang,<br \/>\n(2) B\u1ea3o t\u1ed3n \u0111a d\u1ea1ng sinh h\u1ecdc \u1edf m\u1ecdi m\u1ee9c \u0111\u1ed9 &#8211; h\u1ec7 sinh th\u00e1i, lo\u00e0i v\u00e0 trong lo\u00e0i,<br \/>\n(3) C\u1ea3i thi\u1ec7n \u0111\u1eddi s\u1ed1ng n\u00f4ng d\u00e2n,<br \/>\n(4) Duy tr\u00ec ho\u1eb7c gia t\u0103ng s\u1ef1 ti\u1ebfp c\u1eadn v\u00e0 qu\u1ea3n l\u00fd c\u1ee7a n\u00f4ng d\u00e2n \u0111\u1ed1i v\u1edbi ngu\u1ed3n t\u00e0i nguy\u00ean di truy\u1ec1n th\u1ef1c v\u1eadt c\u1ee7a h\u1ecd,<br \/>\n(5) G\u1eafn k\u1ebft n\u00f4ng d\u00e2n v\u1edbi m\u1ea1ng l\u01b0\u1edbi t\u00e0i nguy\u00ean di truy\u1ec1n th\u1ef1c v\u1eadt qu\u1ed1c gia v\u00e0 cu\u1ed1n h\u00fat n\u00f4ng d\u00e2n tham gia tr\u1ef1c ti\u1ebfp v\u00e0o qu\u00e1 tr\u00ecnh b\u1ed5 sung gi\u00e1 tr\u1ecb ngu\u1ed3n gen<\/p>\n<p>(6) G\u1eafn k\u1ebft c\u1ed9ng \u0111\u1ed3ng n\u00f4ng d\u00e2n v\u1edbi ng\u00e2n h\u00e0ng gen trong vi\u1ec7c b\u1ea3o t\u1ed3n v\u00e0 s\u1eed d\u1ee5ng ngu\u1ed3n gen.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">PGS.TS. Nguy\u1ec5n Th\u1ecb Ng\u1ecdc Hu\u1ec7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S\u1ef1 \u0111e do\u1ea1 ti\u1ec1m t\u00e0ng c\u1ee7a\u00a0 x\u00f3i m\u00f2n \u0111a d\u1ea1ng di truy\u1ec1n th\u1ef1c v\u1eadt \u0111\u1ebfn cung c\u1ea5p l\u01b0\u01a1ng th\u1ef1c<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47],"tags":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/558"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=558"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/558\/revisions"}],"predecessor-version":[{"id":559,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/558\/revisions\/559"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}