{"id":1749,"date":"2017-10-18T11:14:07","date_gmt":"2017-10-18T04:14:07","guid":{"rendered":"http:\/\/prc.maiatech.com.vn\/?p=1749"},"modified":"2017-11-13T21:33:41","modified_gmt":"2017-11-13T14:33:41","slug":"ket-qua-nghien-cuu-anh-huong-cua-dieu-kien-trong-va-mat-do-den-kha-nang-sinh-truong-va-phat-trien-cu-nua-co-nguon-goc-tai-tinh-hoa-binh","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=1749","title":{"rendered":"K\u1ebft q\u1ee7a nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n tr\u1ed3ng v\u00e0 m\u1eadt \u0111\u1ed9 \u0111\u1ebfn kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7 n\u01b0a c\u00f3 ngu\u1ed3n g\u1ed1c t\u1ea1i t\u1ec9nh H\u00f2a B\u00ecnh"},"content":{"rendered":"<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u1ee7 N\u01b0a lo\u00e0i <em>Krausei<\/em> \u0111\u01b0\u1ee3c tr\u1ed3ng ph\u1ed5 bi\u1ebfn \u1edf nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf ch\u00e2u \u00c1 bao g\u1ed3m Trung Qu\u1ed1c v\u00e0 Nh\u1eadt B\u1ea3n. Di\u1ec7n t\u00edch tr\u1ed3ng c\u1ee7 N\u01b0a tr\u00ean to\u00e0n c\u1ea7u hi\u1ec7n nay ch\u01b0a l\u1edbn v\u1edbi t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng ch\u01b0a cao trong t\u1ed5ng s\u1ea3n l\u01b0\u1ee3ng c\u00e2y c\u00f3 c\u1ee7. N\u0103ng su\u1ea5t trung b\u00ecnh c\u1ee7a c\u00e2y N\u01b0a c\u0169ng ch\u01b0a cao, ch\u1ec9 kho\u1ea3ng 8 t\u1ea5n t\u1edbi 9 t\u1ea5n\/ha , ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n tr\u1ed3ng v\u00e0 lo\u00e0i N\u01b0a. Trong nh\u1eefng c\u00e2y l\u01b0\u01a1ng th\u1ef1c ch\u00ednh th\u00ec c\u1ee7 N\u01b0a ch\u01b0a \u0111\u01b0\u1ee3c x\u1ebfp lo\u1ea1i nh\u01b0 c\u00e1c c\u00e2y l\u00faa m\u1ef3, g\u1ea1o, khoai lang, s\u1eafn v\u00e0 ng\u00f4.<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tuy nhi\u00ean c\u1ee7 N\u01b0a \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m th\u1ef1c ph\u1ea9m cao c\u1ea5p. H\u00e0m l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng trong c\u1ee7 N\u01b0a r\u1ea5t phong ph\u00fa, \u0111a d\u1ea1ng, \u0111\u1eb7c bi\u1ec7t c\u00f3 ho\u1ea1t ch\u1ea5t ch\u00ednh l\u00e0 glucomannan; ngo\u00e0i ra c\u00f2n c\u00f3 tinh b\u1ed9t, protein, gluxit, \u2026. \u0110\u00e2y l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 dinh d\u01b0\u1ee1ng c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m v\u00e0 c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c.<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ho\u1ea1t ch\u1ea5t glucomannan c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao c\u00f3 trong c\u1ee7 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u trong c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c, v\u00ed d\u1ee5 s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m ch\u1ee9c n\u0103ng ch\u1ed1ng b\u00e9o, gi\u1ea3m c\u00e2n hay th\u1eadm ch\u00ed h\u1ed7 tr\u1ee3 tr\u1ecb ti\u1ec3u \u0111\u01b0\u1eddng. C\u1ee7 N\u01b0a v\u1edbi ho\u1ea1t ch\u1ea5t glucomannan \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ra, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn \u1edf Nh\u1eadt B\u1ea3n, Trung Qu\u1ed1c v\u00e0 g\u1ea7n \u0111\u00e2y \u1edf r\u1ea5t nhi\u1ec1u n\u01b0\u1edbc \u0110\u00f4ng Nam \u00c1 c\u0169ng nh\u01b0 n\u01b0\u1edbc ph\u00e1t tri\u1ec3n (\u00dac, New Zealand). C\u1ee7 N\u01b0a l\u00e0 c\u00e2y tr\u1ed3ng c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf n\u1ebfu khai th\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u00e1ch ra l\u00e0 glucomannan c\u00f3 th\u1ec3 xu\u1ea5t kh\u1ea9u v\u1edbi gi\u00e1 tr\u1ecb th\u01b0\u01a1ng m\u1ea1i cao. T\u00ednh trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, gi\u00e1 tr\u1ecb b\u1ed9t N\u01b0a dao \u0111\u1ed9ng t\u1eeb 13.000 &#8211; 15.000 USD\/t\u1ea5n cho c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m nh\u01b0 ch\u1ebf bi\u1ebfn th\u1ea1ch rau c\u00e2u.<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u1ede\u00a0Vi\u1ec7t Nam, ng\u00e0nh ch\u1ebf bi\u1ebfn c\u1ee7 N\u01b0a m\u1edbi \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn g\u1ea7n \u0111\u00e2y, nh\u01b0ng ch\u01b0a ph\u00e1t tri\u1ec3n m\u1ea1nh m\u1ebd \u0111\u1ec3 m\u1edf ra h\u01b0\u1edbng \u0111i m\u1edbi cho sa\u0309n xu\u1ea5t b\u1ed9t N\u01b0a ph\u1ee5c v\u1ee5 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Vi\u00ea\u0323c nghi\u00ean c\u1ee9u \u0111\u1ec3 tr\u00f4\u0300ng tro\u0323t c\u1ee7 N\u01b0a ph\u1ee5c v\u1ee5 ch\u00ea\u0301 bi\u00ea\u0301n \u0111\u1ec3 cung c\u00e2\u0301p nguy\u00ean li\u00ea\u0323u cho c\u00f4ng nghi\u1ec7p la\u0300 m\u00f4\u0323t h\u01b0\u01a1\u0301ng \u0111i m\u01a1\u0301i, go\u0301p ph\u00e2\u0300n pha\u0301t tri\u00ea\u0309n ma\u0323nh me\u0303 nga\u0300nh sa\u0309n xu\u00e2\u0301t b\u1ed9t N\u01b0a ha\u0300ng ho\u0301a \u01a1\u0309 Vi\u00ea\u0323t Nam.<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Xu\u00e2\u0301t pha\u0301t t\u01b0\u0300 nh\u01b0\u0303ng y\u00eau c\u00e2\u0300u th\u01b0\u0323c ti\u00ea\u0303n sa\u0309n xu\u00e2\u0301t c\u1ee7 N\u01b0a \u0111\u1ec3 ph\u1ee5c v\u1ee5 ch\u00ea\u0301 bi\u00ea\u0301n, t\u01b0\u0300 nh\u01b0\u0303ng v\u00e2\u0301n \u0111\u00ea\u0300 khoa ho\u0323c co\u0300n m\u01a1\u0301i me\u0309 ch\u01b0a \u0111\u01b0\u01a1\u0323c la\u0300m sa\u0301ng to\u0309 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n canh t\u00e1c tr\u1ed3ng c\u1ee7 N\u01b0a no\u0301i chung, \u0111\u1ec1 t\u00e0i ti\u00ea\u0301n ha\u0300nh th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111i\u1ec1u ki\u1ec7n tr\u1ed3ng v\u00e0 m\u1eadt \u0111\u1ed9 \u0111\u1ebfn kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7 N\u01b0a lo\u00e0i <em>krausei<\/em> c\u00f3 ngu\u1ed3n g\u1ed1c t\u1ea1i t\u1ec9nh H\u00f2a B\u00ecnh v\u00e0 \u0111\u00e3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3:<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110i\u1ec1u ki\u1ec7n tr\u00f4\u0300ng tr\u00ean \u0111\u1ea5t tr\u1ed1ng th\u00edch h\u1ee3p cho c\u1ee7 N\u01b0a, n\u0103ng su\u1ea5t cao nh\u1ea5t (24,22 t\u1ea5n\/ha), s\u1ed1 c\u1ee7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ebf bi\u1ebfn (4,7 &#8211; 9,6cm) cao nh\u1ea5t 75,81%) . N\u1ebfu tr\u1ed3ng xen canh cho n\u0103ng su\u1ea5t th\u1ea5p (21,29 t\u1ea5n\/ha), s\u1ed1 c\u1ee7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ebf bi\u1ebfn th\u1ea5p h\u01a1n.<\/p>\n<p style=\"text-align: justify;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u1eadt \u0111\u1ed9 tr\u1ed3ng tr\u1ed3ng c\u1ee7 N\u01b0a cho ch\u1ebf bi\u1ebfn s\u1ea3n xu\u1ea5t b\u1ed9t glucomannan khi tr\u1ed3ng v\u1edbi m\u1eadt \u0111\u1ed9 7 c\u1ee7\/m<sup>2<\/sup> cho n\u0103ng su\u1ea5t cao nh\u1ea5t (25,31 t\u1ea5n\/ha), tuy nhi\u00ean t\u1ef7 l\u1ec7 c\u1ee7 \u0111\u1ea1t k\u00edch th\u01b0\u1edbc ch\u1ebf bi\u1ebfn t\u1eeb 4,7 &#8211; 9,6 cm th\u1ea5p nh\u1ea5t (65,41%). Do \u0111\u00f3, \u0111\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u1ea5t tr\u1ed3ng v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c mong mu\u1ed1n v\u1ec1 s\u1ea3n l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7 ch\u1ebf bi\u1ebfn, c\u1ee7 n\u01b0a tr\u1ed3ng v\u1edbi m\u1eadt \u0111\u1ed9 5\u00a0 c\u1ee7\/m<sup>2 <\/sup>l\u00e0 ph\u00f9 h\u1ee3p.<\/p>\n<p style=\"text-align: justify;\">Chi ti\u1ebft: <a href=\"https:\/\/prc.maiatech.com.vn\/wp-content\/uploads\/2017\/11\/11.Khoai_.nua_.pdf\">xem t\u1ea1i \u0111\u00e2y<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u1ee7 N\u01b0a lo\u00e0i Krausei \u0111\u01b0\u1ee3c tr\u1ed3ng ph\u1ed5 bi\u1ebfn \u1edf nhi\u1ec1u n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf ch\u00e2u<\/p>\n","protected":false},"author":4,"featured_media":1733,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[47,22],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/1749"}],"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=1749"}],"version-history":[{"count":2,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/1749\/revisions"}],"predecessor-version":[{"id":1773,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/1749\/revisions\/1773"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/media\/1733"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}