Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, Tr\u1ea7n V\u0103n Ti\u1ebfn<\/b> <\/p>\n
Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i><\/b> <\/p>\n<\/p>\nT\u00f3m t\u1eaft<\/h2>\n
Tr\u00ean c\u01a1 s\u1edf c\u1ea5u t\u1ea1o h\u00ecnh th\u00e1i v\u00e0 gi\u1ea3i ph\u1eabu hoa qu\u1ea3, s\u00e1u (6) lo\u00e0i tre qu\u1ea3 th\u1ecbt \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 v\u00e0 \u0111\u1ecbnh danh \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t chi tre m\u1edbi cho Vi\u1ec7t Nam \u0111\u00f3 l\u00e0 chi Tre qu\u1ea3 th\u1ecbt (Melocalamus<\/i>). \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng n\u1ed5i b\u1eadt c\u1ee7a chi Tre qu\u1ea3 th\u1ecbt (Melocalamus<\/i>) l\u00e0 c\u00f3 v\u1ecf qu\u1ea3 d\u00e0y v\u00e0 c\u00f3 th\u1ecbt. S\u00e1u lo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u1eadn bi\u1ebft nh\u1edd v\u00e0o k\u1ebft qu\u1ea3 gi\u1ea3i ph\u1eabu hoa qu\u1ea3. C\u00e1c lo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft l\u00e0 D\u1eb9 Y\u00ean B\u00e1i (Melocalamus yenbaiensis<\/i>), Tre qu\u1ea3 th\u1ecbt C\u00fac Ph\u01b0\u01a1ng (M. cucphuongensis<\/i>), Tre qu\u1ea3 th\u1ecbt Kon H\u00e0 N\u1eebng (M. kbangensis<\/i>), Tre qu\u1ea3 th\u1ecbt L\u1ed9c B\u1eafc (M. blaoensis<\/i>), Tre qu\u1ea3 th\u1ecbt P\u00e0 C\u00f2 (M. pacoensis<\/i>) v\u00e0 Tre qu\u1ea3 th\u1ecbt Tr\u01b0\u1eddng S\u01a1n (M.truongsonensis<\/i>). <\/p>\n
T\u1eeb kho\u00e1<\/b>: Tre qu\u1ea3 th\u1ecbt, Melocalamus<\/i>, \u0111\u1ecbnh danh <\/p>\n<\/p>\n
M\u1edf \u0111\u1ea7u<\/b> <\/p>\n
Tre g\u1eafn b\u00f3 v\u1edbi \u0111\u1eddi s\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00e2n Vi\u1ec7t Nam t\u1eeb h\u00e0ng ngh\u00ecn n\u0103m nay v\u00e0 lu\u1ef9 tre l\u00e0ng c\u00f2n \u0111\u01b0\u1ee3c coi l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a v\u0103n ho\u00e1 n\u00f4ng th\u00f4n. Trong t\u1ed5ng s\u1ed1 1200 lo\u00e0i tre, \u01b0\u1edbc t\u00ednh Vi\u1ec7t Nam c\u0169ng c\u00f3 t\u1edbi tr\u00ean 200 lo\u00e0i, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c h\u01a1n s\u1ed1 lo\u00e0i c\u1ee7a t\u1ec9nh V\u00e2n Nam (Trung Qu\u1ed1c) do Vi\u1ec7t Nam c\u00f3 b\u1ed5 sung th\u00eam th\u00e0nh ph\u1ea7n lo\u00e0i t\u1eeb ph\u00eda T\u00e2y v\u00e0 ph\u00eda Nam (Nguy\u1ec5n Ho\u00e0ng Ngh\u0129a, 2006). Tre \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c ti\u00eau kh\u00e1c nhau, t\u1eeb x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda, c\u1ea7u c\u1ed1ng, \u0111\u1ed3 gia d\u1ee5ng, c\u00f4ng c\u1ee5 lao \u0111\u1ed9ng \u0111\u1ebfn th\u1ef1c ph\u1ea9m (m\u0103ng t\u01b0\u01a1i v\u00e0 kh\u00f4) v\u00e0 d\u1ee5ng c\u1ee5 v\u0103n ho\u00e1 kh\u00e1c. <\/p>\n
Nhi\u1ec1u lo\u00e0i tre c\u00f3 d\u1ea1ng hoa l\u00faa v\u00e0 qu\u1ea3 th\u00f3c, song c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 chi c\u00f3 qu\u1ea3 th\u1ecbt v\u1edbi h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau, nh\u01b0 c\u00e1c chi Cyrtochloa, Dinochloa, Melocalamus, Melocanna v\u00e0 Sphaerobambos<\/i>. Kh\u00e1c nhau gi\u1eefa Dinochloa<\/i> v\u00e0 Melocalamus<\/i> l\u00e0 \u1edf ch\u1ed7 Melocalamus<\/i> c\u00f3 3 m\u00e0y c\u1ef1c nh\u1ecf (Lodicules) c\u00f2n Dinochloa<\/i> th\u00ec kh\u00f4ng. Theo Yang et al. (2000), c\u1ea3 th\u1ebf gi\u1edbi c\u00f3 5 lo\u00e0i Melocalamus<\/i> th\u00ec Trung Qu\u1ed1c c\u00f3 5 lo\u00e0i trong khi c\u1ea3 th\u1ebf gi\u1edbi c\u00f3 20 lo\u00e0i Dinochloa<\/i> th\u00ec Trung Qu\u1ed1c c\u00f3 2 (ho\u1eb7c 6) lo\u00e0i v\u00e0 \u1ea5n \u0110\u1ed9 c\u00f3 6 lo\u00e0i. \u0110i\u1ec1u ch\u01b0a r\u00f5 \u1edf \u0111\u00e2y l\u00e0 trong khi Trung Qu\u1ed1c v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc v\u1eabn s\u1eed d\u1ee5ng t\u00ean lo\u00e0i Melocalamus compactiflorus<\/i> th\u00ec \u1ea5n \u0110\u1ed9 l\u1ea1i x\u1ebfp lo\u00e0i v\u00e0o chi m\u1edbi v\u1edbi c\u00e1i t\u00ean Dinochloa compactiflora<\/i>. <\/p>\n
\u1edf n\u01b0\u1edbc ta, Ph\u1ea1m Ho\u00e0ng H\u1ed9 (1999) c\u00f3 nh\u1eafc \u0111\u1ebfn lo\u00e0i Ca tr\u00fac (Melocalamus compactiflorus<\/i>) song m\u00f4 t\u1ea3 c\u1ee7a \u00f4ng kh\u00f4ng tr\u00f9ng kh\u1edbp v\u1edbi c\u00e1c lo\u00e0i m\u00e0 ch\u00fang t\u00f4i thu th\u1eadp \u0111\u01b0\u1ee3c. Nh\u00f3m \u0111\u1ec1 t\u00e0i tre (2003) v\u1edbi s\u1ef1 gi\u00fap \u0111\u1ee1 c\u1ee7a chuy\u00ean gia Trung Qu\u1ed1c c\u0169ng \u0111\u00e3 \u0111\u01b0a v\u00e0o danh s\u00e1ch lo\u00e0i Giang \u0111\u1eb7c thu\u1ed9c chi Giang \u0111\u1eb7c (Melocalamus<\/i>) v\u00e0 lo\u00e0i n\u1ee9a qu\u1ea3 th\u1ecbt thu\u1ed9c chi N\u1ee9a (Schizostachyum<\/i>) song ch\u01b0a c\u00f3 m\u00f4 t\u1ea3 chi ti\u1ebft n\u00e0o. <\/p>\n
Tr\u00ean c\u01a1 s\u1edf h\u1ed7 tr\u1ee3 c\u1ee7a \u0111\u1ec1 t\u00e0i “B\u1ea3o t\u1ed3n ngu\u1ed3n gen c\u00e2y r\u1eebng, 2001 \u2014 2005” v\u00e0 D\u1ef1 \u00e1n Tre c\u1ee7a IPGRI (giai \u0111o\u1ea1n 2003 \u2014 2005), ch\u00fang t\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00e1c chuy\u1ebfn kh\u1ea3o s\u00e1t tr\u00ean to\u00e0n qu\u1ed1c v\u00e0 \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ed9t s\u1ed1 lo\u00e0i tre qu\u1ea3 th\u1ecbt (Melocalamus<\/i>) trong \u0111\u00f3 c\u00f3 6 lo\u00e0i thu \u0111\u01b0\u1ee3c hoa v\u00e0 qu\u1ea3. Tr\u00ean c\u01a1 s\u1edf c\u1ea5u t\u1ea1o h\u00ecnh th\u00e1i v\u00e0 gi\u1ea3i ph\u1eabu hoa qu\u1ea3, ch\u00fang t\u00f4i m\u00f4 t\u1ea3 chi ti\u1ebft \u0111\u1ec3 gi\u1edbi thi\u1ec7u m\u1ed9t chi tre m\u1edbi l\u00e0 chi Tre qu\u1ea3 th\u1ecbt (Melocalamus<\/i>) v\u00e0 s\u00e1u lo\u00e0i tre qu\u1ea3 th\u1ecbt m\u1edbi thu v\u00e0 m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ecbnh danh trong th\u1eddi gian qua.<\/p>\n","protected":false},"excerpt":{"rendered":"
r\u00ean c\u01a1 s\u1edf c\u1ea5u t\u1ea1o h\u00ecnh th\u00e1i v\u00e0 gi\u1ea3i ph\u1eabu hoa qu\u1ea3, s\u00e1u (6) lo\u00e0i tre qu\u1ea3 th\u1ecbt \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 v\u00e0 \u0111\u1ecbnh danh \u0111\u1ec3 t\u1ea1o n\u00ean m\u1ed9t chi tre m\u1edbi cho Vi\u1ec7t Nam \u0111\u00f3 l\u00e0 chi Tre qu\u1ea3 th\u1ecbt (Melocalamus). \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1eb7c tr\u01b0ng n\u1ed5i b\u1eadt c\u1ee7a chi Tre qu\u1ea3 th\u1ecbt (Melocalamus) l\u00e0 c\u00f3 v\u1ecf qu\u1ea3 d\u00e0y v\u00e0 c\u00f3 th\u1ecbt. S\u00e1u lo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u1eadn bi\u1ebft nh\u1edd v\u00e0o k\u1ebft qu\u1ea3 gi\u1ea3i ph\u1eabu hoa qu\u1ea3. C\u00e1c lo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft l\u00e0 D\u1eb9 Y\u00ean B\u00e1i (Melocalamus yenbaiensis), Tre qu\u1ea3 th\u1ecbt C\u00fac Ph\u01b0\u01a1ng (M. cucphuongensis), Tre qu\u1ea3 th\u1ecbt Kon H\u00e0 N\u1eebng (M. kbangensis), Tre qu\u1ea3 th\u1ecbt L\u1ed9c B\u1eafc (M. blaoensis), Tre qu\u1ea3 th\u1ecbt P\u00e0 C\u00f2 (M. pacoensis) v\u00e0 Tre qu\u1ea3 th\u1ecbt Tr\u01b0\u1eddng S\u01a1n (M. truongsonensis). <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8925"}],"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=8925"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8925\/revisions"}],"predecessor-version":[{"id":10381,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/8925\/revisions\/10381"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=8925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=8925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=8925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}