{"id":9776,"date":"2012-03-05T03:40:03","date_gmt":"2012-03-04T20:40:03","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2012\/03\/nghien-cuu-ky-thuat-tao-cay-con-mot-so-loai-cay-ngap-man-tren-cac-dang-cat-soi-da-vun-san-ho-ngap-trieu-khong-thuong-xuyen-tai-cac-dao-phai-nam\/"},"modified":"2013-10-06T09:02:39","modified_gmt":"2013-10-06T02:02:39","slug":"nghien-cuu-ky-thuat-tao-cay-con-mot-so-loai-cay-ngap-man-tren-cac-dang-cat-soi-da-vun-san-ho-ngap-trieu-khong-thuong-xuyen-tai-cac-dao-phai-nam","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-ky-thuat-tao-cay-con-mot-so-loai-cay-ngap-man-tren-cac-dang-cat-soi-da-vun-san-ho-ngap-trieu-khong-thuong-xuyen-tai-cac-dao-phai-nam\/","title":{"rendered":"Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt t\u1ea1o c\u00e2y con m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n tr\u00ean c\u00e1c d\u1ea1ng c\u00e1t, s\u1ecfi, \u0111\u00e1, v\u1ee5n san h\u00f4 ng\u1eadp tri\u1ec1u kh\u00f4ng th\u01b0\u1eddng xuy\u00ean t\u1ea1i c\u00e1c \u0111\u1ea3o ph\u00e1i Nam"},"content":{"rendered":"

Ho\u00e0ng V\u0103n Th\u01a1i<\/strong> <\/p>\n

Ph\u00e2n vi\u1ec7n Nghi\u00ean c\u1ee9u Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam B\u1ed9<\/em> <\/p>\n

T\u00d3M T\u1eaeT<\/strong> <\/p>\n

Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1eb1m x\u00e1c \u0111\u1ecbnh k\u1ef9 thu\u1eadt gieo \u01b0\u01a1m m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y l\u1ef1a ch\u1ecdn \u0111\u1ec3 c\u00f3 th\u1ec3 tr\u1ed3ng tr\u00ean n\u1ec1n c\u00e1t, \u0111\u00e1, s\u1ecfi, v\u1ee5n san h\u00f4 ng\u1eadp tri\u1ec1u kh\u00f4ng th\u01b0\u1eddng xuy\u00ean v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u00f3ng v\u00e0 gi\u00f3 bi\u1ec3n bao g\u1ed3m: Tr\u1ee5 m\u1ea7m v\u00e0 h\u1ea1t c\u1ee7a 6 lo\u00e0i c\u00e2y l\u1ef1a ch\u1ecdn l\u00e0 D\u00e0 v\u00f4i (Ceriops tagal, <\/em>\u0110\u00e2ng (Rhizophora stylosa), <\/em>\u0110\u01b0ng (Rhizophora mucronata), <\/em>\u0110\u01b0\u1edbc (Rhizophora apiculata), <\/em>M\u1eafm bi\u1ec3n (Avicennia marina) <\/em>v\u00e0S\u00fa \u0111\u1ecf (Aegiceras floridum).<\/em> K\u1ebft qu\u1ea3 sau 6 th\u00e1ng theo d\u00f5i th\u00ed nghi\u1ec7m cho th\u1ea5y: T\u1ef7 l\u1ec7 n\u1ea3y m\u1ea7m c\u00e1c lo\u00e0i th\u1eed nghi\u1ec7m kh\u00e1 cao, 82,5% \u1edf lo\u00e0i M\u1eafm bi\u1ec3n, 83,5% \u1edf D\u00e0 v\u00f4i, 92% \u1edf lo\u00e0i \u0110\u00e2ng, 91,6% \u1edf lo\u00e0i S\u00fa \u0111\u1ecf, hai lo\u00e0i \u0110\u01b0ng v\u00e0 \u0110\u01b0\u1edbc c\u00f3 t\u1ef7 l\u1ec7 kh\u00e1 \u0111\u1ec1u nhau l\u00e0 90% v\u00e0 89,5%. Kh\u1ea3 n\u0103ng ra r\u1ec5 nhi\u1ec1u nh\u1ea5t l\u00e0 lo\u00e0i \u0110\u00e2ng v\u1edbi 29 r\u1ec5\/c\u00e2y, \u0110\u01b0ng 21 r\u1ec5\/c\u00e2y, \u0110\u01b0\u1edbc c\u00f3 10,5 r\u1ec5, M\u1eafm bi\u1ec3n l\u00e0 7,3 r\u1ec5\/c\u00e2y v\u00e0 D\u00e0 v\u00f4i c\u00f3 6,5 r\u1ec5, lo\u00e0i c\u00f3 s\u1ed1 r\u1ec5 \u00edt nh\u1ea5t l\u00e0 lo\u00e0i S\u00fa \u0111\u1ecf v\u1edbi 4 r\u1ec5\/c\u00e2y. Chi\u1ec1u d\u00e0i t\u1ed1i \u0111a c\u1ee7a r\u1ec5 \u0111\u1ea1t gi\u00e1 tr\u1ecb l\u1edbn nh\u1ea5t \u1edf lo\u00e0i M\u1eafm bi\u1ec3n (12,9cm), \u0110\u00e2ng v\u1edbi 8cm, \u0110\u01b0\u1edbc v\u1edbi 7,5cm v\u00e0 th\u1ea5p nh\u1ea5t v\u1eabn l\u00e0 S\u00fa \u0111\u1ecf v\u00e0 D\u00e0 v\u00f4i v\u1edbi c\u00e1c s\u1ed1 \u0111o l\u00e0 5,4cm v\u00e0 4,6cm. T\u1ef7 l\u1ec7 s\u1ed1ng c\u1ee7a c\u00e1c lo\u00e0i \u0110\u00e2ng, \u0110\u01b0\u1edbc v\u00e0 lo\u00e0i S\u00fa \u0111\u1ecf t\u1ecf ra v\u01b0\u1ee3t tr\u1ed9i h\u01a1n trong khi lo\u00e0i M\u1eafm bi\u1ec3n v\u00e0 D\u00e0 v\u00f4i v\u00e0 \u0110\u01b0ng c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng th\u1ea5p h\u01a1n. C\u00f4ng th\u1ee9c 3 v\u1edbi 50% b\u00f9n \u0111\u1ea5t \u0111\u1ea1t t\u1ef7 l\u1ec7 s\u1ed1ng cao nh\u1ea5t v\u1edbi b\u00ecnh qu\u00e2n chung l\u00e0 81,3%; k\u1ebf \u0111\u1ebfn l\u00e0 c\u00f4ng th\u1ee9c 1 c\u00f3 th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u 15% l\u00e0 \u0111\u1ea5t v\u00e0 c\u00f4ng th\u1ee9c 2 v\u1edbi 30% \u0111\u1ea5t b\u00f9n, c\u00f3 t\u1ef7 l\u1ec7 s\u1ed1ng cao g\u1ea7n nh\u01b0 nhau, v\u1edbi 79,4 v\u00e0 79,6%. Sinh tr\u01b0\u1edfng chi\u1ec1u cao c\u1ee7a lo\u00e0i \u0110\u01b0ng l\u00e0 nhanh nh\u1ea5t (63,3cm) g\u1ea5p 6 l\u1ea7n so v\u1edbi lo\u00e0i th\u1ea5p nh\u1ea5t l\u00e0 lo\u00e0i S\u00fa \u0111\u1ecf (11,5cm). Trong c\u00f9ng m\u1ed9t lo\u00e0i \u1edf c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m kh\u00e1c nhau c\u0169ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi\u1ec1u cao kh\u00e1 r\u00f5. \u0110\u01b0\u1edbc \u0111\u00f4i, \u0110\u00e2ng v\u00e0 S\u00fa \u0111\u1ecf c\u00f3 chi\u1ec1u cao \u0111\u1ea1t t\u1ed1t nh\u1ea5t \u1edf c\u00f4ng th\u1ee9c 3 v\u00e0 th\u1ea5p nh\u1ea5t \u1edf c\u00f4ng th\u1ee9c 1 v\u00e0 c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng; 3 lo\u00e0i l\u00e0 \u0110\u01b0ng, D\u00e0 v\u00f4i v\u00e0 M\u1eafm bi\u1ec3n c\u0169ng c\u00f3 chi\u1ec1u cao v\u01b0\u1ee3t tr\u1ecdi \u1edf c\u00f4ng th\u1ee9c 3, k\u1ebf \u0111\u1ebfn l\u00e0 c\u00f4ng th\u1ee9c 2 v\u00e0 th\u1ea5p nh\u1ea5t l\u1ea1i l\u00e0 c\u00f4ng th\u1ee9c \u0111\u1ed1i ch\u1ee9ng. C\u00e1c lo\u00e0i t\u1ecf ra th\u00edch nghi v\u1edbi th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u c\u00f3 t\u1ef7 l\u1ec7 pha tr\u1ed9n 50% v\u00e0 30% \u0111\u1ea5t b\u00f9n, k\u00e9m th\u00edch nghi \u1edf th\u00e0nh ph\u1ea7n ru\u1ed9t b\u1ea7u c\u00f3 pha tr\u1ed9n 0 v\u00e0 15% b\u00f9n \u0111\u1ea5t. <\/p>\n

T\u1eeb kh\u00f3a: <\/strong>K\u1ef9 thu\u1eadt t\u1ea1o c\u00e2y con, C\u00e2y ng\u1eadp m\u1eb7n, \u0110\u1ea3o ph\u00eda Nam <\/p>\n

\u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/strong> <\/p>\n

Trong b\u1ed1i c\u1ea3nh bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p th\u00ec v\u1ea5n \u0111\u1ec1 nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng v\u00e0 tr\u1ed3ng c\u00e1c lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n ven bi\u1ec3n t\u1ea1o ra d\u1ea3i r\u1eebng ph\u00f2ng h\u1ed9 ng\u1eadp m\u1eb7n ven bi\u1ec3n c\u00f3 \u00fd ngh\u0129a v\u00f4 c\u00f9ng quan tr\u1ecdng. \u1ede n\u01b0\u1edbc ta c\u0169ng \u0111\u00e3 c\u00f3 m\u1ed9t s\u1ed1 c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u v\u1ec1 k\u1ef9 thu\u1eadt nh\u00e2n gi\u1ed1ng c\u00e1c lo\u00e0i c\u00e2y ng\u1eadp m\u1eb7n nh\u01b0: V\u1eb9t t\u00e1ch (Bruguiera parviflora),<\/em> Su Mek\u00f4ng (Xylocarpus mekongensis),<\/em>\u0110\u01b0\u1edbc (Rhizophora apiculata).<\/em> B\u1ea7n chua (Sonneratia caseolaris),<\/em> C\u00f3c tr\u1eafng (Luminitzera racemosa),<\/em>\u2026 c\u1ee7a c\u00e1c t\u00e1c gi\u1ea3 nh\u01b0 \u0110\u1eb7ng C\u00f4ng B\u1eedu (2006), Ph\u1ea1m Tr\u1ecdng Th\u1ecbnh – Ho\u00e0ng V\u0103n Th\u01a1i (2008), \u0110\u1ed7 Xu\u00e2n Ph\u01b0\u01a1ng (2006),\u2026 Tuy nhi\u00ean c\u00e1c nghi\u00ean c\u1ee9u n\u00e0y m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho c\u00e1c d\u1ea1ng l\u1eadp \u0111\u1ecba tr\u1ed3ng r\u1eebng ng\u1eadp m\u1eb7n th\u00f4ng th\u01b0\u1eddng (l\u1eadp \u0111\u1ecba b\u00f9n, s\u00e9t) m\u00e0 \u1edf \u0111\u00f3 vi\u1ec7c nh\u00e2n gi\u1ed1ng v\u00e0 g\u00e2y tr\u1ed3ng r\u1eebng ng\u1eadp m\u1eb7n l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng. Tuy nhi\u00ean, \u1edf n\u01b0\u1edbc ta ch\u01b0a c\u00f3 m\u1ed9t c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u n\u00e0o \u0111\u1ec1 c\u1eadp t\u1edbi k\u1ef9 thu\u1eadt t\u1ea1o c\u00e2y con c\u00e2y ng\u1eadp m\u1eb7n tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u1eadp \u0111\u1ecba c\u1ef1c \u0111oan nh\u01b0 c\u00e1c n\u1ec1n c\u00e1t, s\u1ecfi v\u00e0 v\u1ee5n san h\u00f4. Ch\u00ednh v\u00ec v\u1eady, m\u1ee5c ti\u00eau c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y nh\u1eb1m “X\u00e1c \u0111\u1ecbnh k\u1ef9 thu\u1eadt gieo \u01b0\u01a1m m\u1ed9t s\u1ed1 lo\u00e0i c\u00e2y l\u1ef1a ch\u1ecdn \u0111\u1ec3 c\u00f3 th\u1ec3 tr\u1ed3ng tr\u00ean n\u1ec1n c\u00e1t, \u0111\u00e1, s\u1ecfi, v\u1ee5n san h\u00f4 ng\u1eadp tri\u1ec1u kh\u00f4ng th\u01b0\u1eddng xuy\u00ean v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u00f3ng v\u00e0 gi\u00f3 bi\u1ec3n”. <\/p>\n","protected":false},"excerpt":{"rendered":"

\nNghiên c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n<\/span> nh\u1eb1m x<\/span>ác \u0111\u1ecbnh k\u1ef9 thu\u1eadt gieo \u01b0\u01a1m m\u1ed9t s\u1ed1 loài cây l\u1ef1a ch\u1ecdn \u0111\u1ec3 có th\u1ec3 tr\u1ed3ng trên n\u1ec1n cát, \u0111á, s\u1ecfi, v\u1ee5n san hô ng\u1eadp tri\u1ec1u không th\u01b0\u1eddng xuyên và có kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c sóng và gió bi\u1ec3n bao g\u1ed3m: Tr\u1ee5 m\u1ea7m và h\u1ea1t c\u1ee7a 6 loài cây l\u1ef1a ch\u1ecdn là Dà vôi (Ceriops tagal, <\/em>\u0110âng (Rhizophora stylosa), <\/em>\u0110\u01b0ng (Rhizophora mucronata), <\/em>\u0110\u01b0\u1edbc (Rhizophora apiculata), <\/em>M\u1eafm bi\u1ec3n (Avicennia marina) <\/em>và <\/em>Sú \u0111\u1ecf (Aegiceras floridum).<\/em> <\/span><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9776"}],"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=9776"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9776\/revisions"}],"predecessor-version":[{"id":11228,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9776\/revisions\/11228"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}