{"id":9540,"date":"2011-04-06T03:01:38","date_gmt":"2011-04-05T20:01:38","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/04\/nghien-cu-chon-giong-va-nhan-giong-hoi\/"},"modified":"2013-10-06T09:02:14","modified_gmt":"2013-10-06T02:02:14","slug":"nghien-cu-chon-giong-va-nhan-giong-hoi","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cu-chon-giong-va-nhan-giong-hoi\/","title":{"rendered":"Nghi\u00ean c\u1ee9 ch\u1ecdn gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng H\u1ed3i"},"content":{"rendered":"<p> <strong>Nguy\u1ec5n Huy S\u01a1n<\/strong> <\/p>\n<p> <em>Trung t\u00e2m Nghi\u00ean c\u1ee9u L\u00e2m \u0111\u1eb7c s\u1ea3n<\/em> <\/p>\n<p> <em>Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam <\/em> <\/p>\n<p> I. <strong>\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n<p> H\u1ed3i (<em>Illicium verum <\/em>HooK) l\u00e0 c\u00e2y \u0111\u1eb7c s\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb kinh t\u1ebf cao. Tinh d\u1ea7u h\u1ed3i l\u00e0 nguy\u00ean li\u1ec7u qu\u00fd trong c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c ph\u1ea9m v\u00e0 th\u1ef1c ph\u1ea9m. H\u01a1n n\u1eefa, h\u1ed3i l\u00e0 c\u00e2y \u0111\u1eb7c h\u1eefu ch\u1ec9 c\u00f3 \u1edf m\u1ed9t s\u1ed1 \u00edt n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi, n\u00ean tinh d\u1ea7u h\u1ed3i c\u00f2n l\u00e0 m\u1eb7t h\u00e0ng xu\u1ea5t kh\u1ea9u c\u00f3 gi\u00e1 tr\u1ecb. \u1ede n\u01b0\u1edbc ta h\u1ed3i \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf L\u1ea1ng S\u01a1n, \u0111a s\u1ed1 r\u1eebng h\u1ed3i \u0111\u01b0\u1ee3c tr\u1ed3ng b\u1eb1ng gi\u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc. Hi\u1ec7n nay, c\u00e2y h\u1ed3i l\u00e0 m\u1ed9t trong nh\u1eefng lo\u00e0i c\u00e2y tr\u1ed3ng ch\u00ednh trong ch\u01b0\u01a1ng tr\u00ecnh 5 tri\u1ec7u ha v\u00e0 c\u0169ng l\u00e0 c\u00e2y xo\u00e1 \u0111\u00f3i gi\u1ea3m ngh\u00e8o ch\u1ee7 y\u1ebfu cho \u0111\u1ed3ng b\u00e0o c\u00e1c d\u00e2n t\u1ed9c v\u00f9ng s\u00e2u v\u00f9ng xa \u1edf c\u00e1c t\u1ec9nh ph\u00eda B\u1eafc, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf L\u1ea1ng S\u01a1n.  <\/p>\n<p> Ch\u1ecdn gi\u1ed1ng v\u00e0 nh\u00e2n gi\u1ed1ng l\u00e0 2 n\u1ed9i dung r\u1ea5t quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y r\u1eebng n\u00f3i chung v\u00e0 c\u1ea3i thi\u1ec7n gi\u1ed1ng h\u1ed3i n\u00f3i ri\u00eang. C\u00e1c c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u ch\u1ecdn t\u1ea1o gi\u1ed1ng h\u1ed3i \u1edf c\u1ea3 trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc hi\u1ec7n nay r\u1ea5t \u00edt so v\u1edbi c\u00e1c lo\u00e0i c\u00e2y kh\u00e1c. C\u00f3 l\u1ebd do c\u00e2y h\u1ed3i kh\u00f4ng nh\u1eefng l\u00e2u ra qu\u1ea3 (t\u1eeb khi tr\u1ed3ng \u0111\u1ebfn khi ra hoa th\u01b0\u1eddng l\u00e0 t\u1eeb 7-8 n\u0103m) m\u00e0 chu k\u1ef3 sai qu\u1ea3 c\u00f2n kh\u00e1 d\u00e0i (th\u01b0\u1eddng t\u1eeb 3-4 n\u0103m). H\u01a1n n\u1eefa, h\u1ed3i l\u00e0 c\u00e2y c\u00f3 tinh d\u1ea7u r\u1ea5t kh\u00f3 nh\u00e2n gi\u1ed1ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p sinh d\u01b0\u1ee1ng, ph\u1ea1m vi ph\u00e2n b\u1ed1 l\u1ea1i r\u1ea5t h\u1eb9p n\u00ean \u00edt ng\u01b0\u1eddi quan t\u00e2m. Duy nh\u1ea5t ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9 v\u1ec1 nh\u00e2n gi\u1ed1ng h\u1ed3i b\u1eb1ng hom c\u00e0nh c\u1ee7a Nguy\u1ec5n Ng\u1ecdc T\u00e2n v\u00e0 c\u00e1c c\u1ed9ng s\u1ef1 (1984), nh\u01b0ng k\u1ebft qu\u1ea3 m\u1edbi ch\u1ec9 c\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0 d\u1eebng l\u1ea1i \u1edf vi\u1ec7c nh\u00e2n gi\u1ed1ng hom cho c\u00e2y h\u1ed3i 2 tu\u1ed5i giai \u0111o\u1ea1n v\u01b0\u1eddn \u01b0\u01a1m, n\u00ean \u00edt c\u00f3 \u00fd ngh\u0129a trong c\u00f4ng t\u00e1c c\u1ea3i thi\u1ec7n gi\u1ed1ng. Cho \u0111\u1ebfn nay, nghi\u00ean c\u1ee9u ch\u1ecdn v\u00e0 t\u1ea1o gi\u1ed1ng h\u1ed3i c\u00f3 n\u0103ng su\u1ea5t cao ch\u01b0a th\u1ea5y t\u00e1c gi\u1ea3 n\u00e0o \u0111\u1ec1 c\u1eadp t\u1edbi m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng. <\/p>\n<p> V\u00ec v\u1eady, \u0111\u1eb7t v\u1ea5n \u0111\u1ec1 nghi\u00ean c\u1ee9u ch\u1ecdn gi\u1ed1ng h\u1ed3i c\u00f3 n\u0103ng su\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 vi\u1ec7c l\u00e0m c\u1ea7n thi\u1ebft v\u00e0 c\u1ea5p b\u00e1ch. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp t\u1edbi trong \u0111\u1ec1 t\u00e0i thu\u1ed9c ch\u01b0\u01a1ng tr\u00ecnh 661 th\u1ef1c hi\u1ec7n trong giai \u0111o\u1ea1n 1999-2003. <\/p>\n<p> <em>(K\u1ef7 y\u1ebfu H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p khu v\u1ef1c ph\u00eda B\u1eafc trang 116-122)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">H\u1ed3i (<em>Illicium verum <\/em>HooK) l&agrave; c&acirc;y \u0111\u1eb7c s\u1ea3n c&oacute; gi&aacute; tr\u1ecb kinh t\u1ebf cao. Tinh d\u1ea7u h\u1ed3i l&agrave; nguy&ecirc;n li\u1ec7u qu&yacute; trong c&ocirc;ng nghi\u1ec7p d\u01b0\u1ee3c ph\u1ea9m v&agrave; th\u1ef1c ph\u1ea9m. H\u01a1n n\u1eefa, h\u1ed3i l&agrave; c&acirc;y \u0111\u1eb7c h\u1eefu ch\u1ec9 c&oacute; \u1edf m\u1ed9t s\u1ed1 &iacute;t n\u01b0\u1edbc tr&ecirc;n th\u1ebf gi\u1edbi, n&ecirc;n tinh d\u1ea7u h\u1ed3i c&ograve;n l&agrave; m\u1eb7t h&agrave;ng xu\u1ea5t kh\u1ea9u c&oacute; gi&aacute; tr\u1ecb. \u1ede n\u01b0\u1edbc ta h\u1ed3i \u0111\u01b0\u1ee3c tr\u1ed3ng t\u1eadp trung ch\u1ee7 y\u1ebfu \u1edf L\u1ea1ng S\u01a1n, \u0111a s\u1ed1 r\u1eebng h\u1ed3i \u0111\u01b0\u1ee3c tr\u1ed3ng b\u1eb1ng gi\u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc. Hi\u1ec7n nay, c&acirc;y h\u1ed3i l&agrave; m\u1ed9t trong nh\u1eefng lo&agrave;i c&acirc;y tr\u1ed3ng ch&iacute;nh trong ch\u01b0\u01a1ng tr&igrave;nh 5 tri\u1ec7u ha v&agrave; c\u0169ng l&agrave; c&acirc;y xo&aacute; \u0111&oacute;i gi\u1ea3m ngh&egrave;o ch\u1ee7 y\u1ebfu cho \u0111\u1ed3ng b&agrave;o c&aacute;c d&acirc;n t\u1ed9c v&ugrave;ng s&acirc;u v&ugrave;ng xa \u1edf c&aacute;c t\u1ec9nh ph&iacute;a B\u1eafc, \u0111\u1eb7c bi\u1ec7t l&agrave; \u1edf L\u1ea1ng S\u01a1n. <\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9540"}],"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=9540"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9540\/revisions"}],"predecessor-version":[{"id":10994,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9540\/revisions\/10994"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}