{"id":700,"date":"2017-03-09T14:37:58","date_gmt":"2017-03-09T07:37:58","guid":{"rendered":"http:\/\/demo.prc.maiatech.com.vn\/?p=700"},"modified":"2017-03-28T10:46:07","modified_gmt":"2017-03-28T03:46:07","slug":"nghien-cuu-chon-tao-giong-khoai-lang-chat-luong-va-nang-suat-cao-cho-cac-tinh-bac-trung-bo","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=700","title":{"rendered":"Nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng khoai lang ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 n\u0103ng su\u1ea5t cao cho c\u00e1c t\u1ec9nh B\u1eafc Trung B\u1ed9"},"content":{"rendered":"\n\n\n\n
Khoai lang \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf 7 v\u00f9ng kinh t\u1ebf sinh th\u00e1i c\u1ee7a n\u01b0\u1edbc ta v\u1edbi di\u1ec7n t\u00edch kho\u1ea3ng 150 ngh\u00ecn ha, tr\u01b0\u1edbc \u0111\u00e2y c\u00f3 n\u0103m \u0111\u00e3 \u0111\u1ea1t 450 ngh\u00ecn ha. Khoai lang c\u00f3 v\u1ecb tr\u00ed quan tr\u1ecdng t\u0103ng c\u01b0\u1eddng an ninh l\u01b0\u01a1ng th\u1ef1c, nh\u1ea5t l\u00e0 \u1edf nh\u1eefng v\u00f9ng s\u1ea3n xu\u1ea5t l\u00faa kh\u00f3 kh\u0103n nh\u01b0 v\u00f9ng \u0111\u1ea5t b\u1ea1c m\u00e0u, c\u00e1t ven bi\u1ec3n \u1edf B\u1eafc Trung b\u1ed9. Tuy nhi\u00ean n\u0103ng su\u1ea5t khoai lang \u1edf Vi\u1ec7t Nam c\u00f2n th\u1ea5p nhi\u1ec1u so v\u1edbi th\u1ebf gi\u1edbi. Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do thi\u1ebfu gi\u1ed1ng t\u1ed1t v\u00e0 canh t\u00e1c ch\u01b0a ph\u00f9 h\u1ee3p. T\u1eeb 2012-2013 Nh\u00f3m t\u00e1c gi\u1ea3 \u0111\u00e3 ti\u1ebfn h\u00e0nh nghi\u00ean c\u1ee9u m\u1ed9t t\u1eadp \u0111o\u00e0n g\u1ed3m 24 c\u00e1c d\u00f2ng, gi\u1ed1ng khoai lang nh\u1eb1m tuy\u1ec3n ch\u1ecdn ra nh\u1eefng gi\u1ed1ng tri\u1ec3n v\u1ecdng nh\u1ea5t ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t. Sau khi \u0111\u00e1nh gi\u00e1 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i n\u00f4ng h\u1ecdc v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea5u th\u00e0nh n\u0103ng su\u1ea5t \u0111\u00e3 tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c 10 d\u00f2ng, gi\u1ed1ng tri\u1ec3n v\u1ecdng nh\u1ea5t \u0111\u01b0a \u0111i kh\u1ea3o nghi\u1ec7m \u1edf c\u00e1c ti\u1ec3u v\u00f9ng sinh th\u00e1i \u1edf B\u1eafc Trung b\u1ed9. Ti\u1ebfp t\u1ee5c \u0111\u00e1nh gi\u00e1 3 v\u1ee5 li\u00ean ti\u1ebfp v\u00e0 t\u1ed5ng h\u1ee3p k\u1ebft qu\u1ea3 c\u00e1c th\u00ed nghi\u1ec7m so s\u00e1nh gi\u1ed1ng \u1edf c\u00e1c \u0111i\u1ec3m cho th\u1ea5y 2 gi\u1ed1ng KTB3 v\u00e0 KTB4 \u0111\u1ec1u cho n\u0103ng su\u1ea5t cao h\u01a1n c\u00e1c gi\u1ed1ng kh\u00e1c v\u00e0 cao h\u01a1n \u0111\u1ed1i ch\u1ee9ng m\u1ed9t c\u00e1ch ch\u1eafc ch\u1eafn. Gi\u1ed1ng KTB3 c\u00f3 n\u0103ng su\u1ea5t th\u1ef1c thu t\u1eeb 18,21 \u2013 20,44 t\u1ea5n\/ha. Gi\u1ed1ng khoai lang KTB4 n\u0103ng su\u1ea5t th\u1ef1c thu t\u1eeb 18,7 \u2013 23,7 t\u1ea5n\/ha. K\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m s\u1ea3n xu\u1ea5t t\u1ea1i Thanh H\u00f3a, Ngh\u1ec7 An v\u00e0 H\u00e0 T\u0129nh c\u1ee7a 2 gi\u1ed1ng KTB3 v\u00e0 KTB4 \u0111\u1ec1u cao h\u01a1n gi\u1ed1ng \u0111\u1ed1i ch\u1ee9ng v\u00e0 c\u00e1c gi\u1ed1ng kh\u00e1c trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n canh t\u00e1c. (Gi\u1ed1ng \u0111\u1ed1i ch\u1ee9ng Chi\u00eam d\u00e2u c\u00f3 n\u0103ng su\u1ea5t t\u1eeb 9,8 \u2013 12,37 t\u1ea5n\/ha). \u0110\u00e1nh gi\u00e1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ea3m quan cho th\u1ea5y gi\u1ed1ng KTB3 l\u00e0 gi\u1ed1ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao, gi\u1ed1ng KTB4 l\u00e0 gi\u1ed1ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng trung b\u00ecnh nh\u01b0ng n\u0103ng su\u1ea5t cao. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ecdn \u0111\u01b0\u1ee3c hai gi\u1ed1ng khoai lang tri\u1ec3n v\u1ecdng nh\u1ea5t l\u00e0 KTB3 v\u00e0 KTB4. Hai gi\u1ed1ng khoai lang n\u00e0y sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n kh\u1ecfe, n\u0103ng su\u1ea5t cao KTB3 (18 \u2013 20 t\u1ea5n\/ha) v\u00e0 KTB4 (22 \u2013 24 t\u1ea5n\/ha). Gi\u1ed1ng KTB3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t (ch\u1ea5t kh\u00f4 35,68%, tinh b\u1ed9t 77,32%, \u0111\u01b0\u1eddng t\u1ed5ng s\u1ed1 10,57%); gi\u1ed1ng KTB4 (ch\u1ea5t kh\u00f4 30,45, tinh b\u1ed9t 69,34%, \u0111\u01b0\u1eddng t\u1ed5ng s\u1ed1 9,73%).<\/p>\n

Xem b\u00e1o c\u00e1o chi ti\u1ebft t\u1ea1i \u0111\u00e2y<\/a><\/td>\n<\/tr>\n

TS. Ph\u1ea1m H\u00f9ng C\u01b0\u01a1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Khoai lang \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ed3ng \u1edf 7 v\u00f9ng kinh t\u1ebf sinh th\u00e1i c\u1ee7a n\u01b0\u1edbc ta v\u1edbi di\u1ec7n t\u00edch kho\u1ea3ng 150<\/p>\n","protected":false},"author":4,"featured_media":758,"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\/700"}],"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=700"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/700\/revisions"}],"predecessor-version":[{"id":702,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/700\/revisions\/702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/758"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}