Tim kiem PhanVien.Com Web
Download PhanVien.Com Toolbar
Danh muc thong tin

Nhan giong thanh cong cay thong do

Cac nha khoa hoc thuoc Vien Cong nghe Sinh hoc va thuc pham - Truong DH Cong nghiep TPHCM cho biet da thanh cong trong viec nhan giong cay thong do trong phong thi nghiem.

Nhan giong thanh cong cay thong do

Tu mau goc lay o Trung tam  nghien cuu  Lam sinh tinh Lam Dong, nhom nghien cuu  da su dung phuong phap cay mo de nghien cuu. Sau khi duoc vo trung, cac doan than duoc cat nho o kich thuoc  1,5 cm duoc cay vao moi truong  thich hop de len choi. Sau 2-3 thang, choi dat chieu cao 2-3 cm. Khi do, cac mau choi duoc chuyen vao moi truong  cho moc re. Sau 2 thang theo doi, da thay cac re moc ra o phia goc choi, cac re nay dan chuyen sang mau vang nhat va hinh thanh long hut, tao thanh cac cay con. Luc nay, cac cay con duoc thuan hoa va chuyen ra vuon uom de phat trien tiep trong 3 thang la co the dem ra trong ngoai tu nhien.

Thong do la loai cay quy hiem tren the gioi  da duoc xep vao sach do. Trong loai cay nay, nguoi ta da tim ra hoat chat taxol co kha nang chua mot so benh ung thu, dac biet giong thong do o VN co chua chat nay nhieu nhat. Tuy nhien, o VN hien chi co khoang gan 400 cay va kha nang nhan giong tu nhien  rat thap, chi khoang 0,1%.
Tim bai viet khac
Theo NLD.COM.VN
Updated: 18/06/2009 | Views: 154 | Comments: 0

Comments - Nhan giong thanh cong cay thong do

Hien tai chua co binh luan nao ve bai viet Nhan giong thanh cong cay thong do!

Ban co y kien gi ve bai viet Nhan giong thanh cong cay thong do nay? Hay goi suy nghi, binh luan, danh gia, loi khuyen ... cua ban ve bai viet Nhan giong thanh cong cay thong do ban tai day.

Other articles

Similar Articles Nhan giong thanh cong cay thong do

Older than Nhan giong thanh cong cay thong do in Thong Tin Khoa Hoc Moi

Newer than Nhan giong thanh cong cay thong do in Thong Tin Khoa Hoc Moi

Recently Published - Thong Tin Khoa Hoc Moi
Day ao thuat
Latest Comments in Thong Tin Khoa Hoc Moi
By Nguyen Hong NHung. cac bac oi! cho em hoi neu muon mua hai loai muoi nay thi co dia chi nao khong?em o Ha .....
By hdsgs. tam bay...
By doan viet anh. bai tren da gioi thieu ve bang tuan hoan rat hay ?...
By nguyen hong nhung. toi muon mua loai muoi nay thi mua o dau tren thi truong. toi dang .....
By Thi`n. neu chi vi lay no lam thuc an ma so luong heo con nguoi an ko .....
By nguyen van lon. con gai thuong bat con trai phai len giuong dong phim sex voi minh ....
By Vibird. Toi theo duoi nang..Toi yeu nang...Da dang dang ca mot nam troi roi nhung tinh cam .....
By nguyen thanh hai. bai nay viet lang nhach ha dau co gi hay dau ma cac ban nu dung tuc gian lam gi cho .....
By nguyen minh chau. toi vua di kham mat xong.Bac si ket luan toi bi duc thuy tinh the benh ly can phai mo.toi .....
By nguyen khanh. Rau va qua mem nhu vay,neu cac tia nuoc 400km/h thi se day ban chui .....
By Vu Thanh phu. Toi dang mo quan cafe, va dang muon ap dung cong nghe thuc don dien tu, cho toi hoi ban .....
By nguyenmung. nhu moi nguoi da biet cac bo than kinh gom hai soi song song mot truyen dan tin hieu dieu .....
By phong. theo toi thi dam me co bac cung co kha nang la mang tinh di truyen but cung co the la .....
By nguyen thi thu huong_lop 11b1. toi nghi rang tat ca cung do cac co so sx khong co y thuc trach nhiem doi voi doi song .....
By Hoang Hai. Chung toi chua co thu loai nay , nhung neu san xuatgio cha ngoai van de bao quan ,TAKA .....
Most Comments in Thong Tin Khoa Hoc Moi
Monthly Most Views - Thong Tin Khoa Hoc Moi
  English Tieng Viet 
Ban dang xem bai viet Nhan giong thanh cong cay thong do duoc goi trong chu de Thong Tin Khoa Hoc Moi - Kien Thuc Khoa Hoc. Bai viet Nhan giong thanh cong cay thong do nay duoc luu tren Server thanh hai ban: Nhan giong thanh cong cay thong do co dau va Nhan giong thanh cong cay thong do khong dau. Ban co the goi y kien binh luan, dong gop ve bai viet Nhan giong thanh cong cay thong do nay tai phan goi binh luan o cuoi noi dung bai viet. Luu y noi dung cua bai viet Nhan giong thanh cong cay thong do nay co the khong con phu hop voi thoi diem hien tai. Neu phat hien dieu nay, xin ban bao cho BQT biet de go bo no.
Home Page | Privacy | Contact | Friend Links | Search | Sitemap | Up
Copyright © 2008 PhanVien.Com . All rights reserved.