KẾT QUẢ ĐÁNH GIÁ ĐA DẠNG NGUỒN GEN CÂY KHOAI MỠ (Dioscorea alata L.) ĐANG BẢO QUẢN TẠI NGÂN HÀNG GEN CÂY TRỒNG QUỐC GIA NĂM 2009
KẾT QUẢ ĐÁNH GIÁ ĐA DẠNG NGUỒN GEN CÂY KHOAI MỠ (Dioscorea alata L.) ĐANG BẢO QUẢN TẠI NGÂN HÀNG GEN CÂY TRỒNG QUỐC GIA NĂM 2009
Results on diversity of Yam (Dioscorea alata) germplasms maintaining in National Genebank
Dioscorea alata collection, including 102 accessions collected from 07 ecologies of Vietnam was characterized and evaluated based on 48 different agro-morphological characteristics at National Plant Genebank. The high level of ranges on geographic distribution, morphologies, usage was found among accessions of the Dioscorea alata collection. Five morphological traits such as leaf shape, wing colour, petiole colour, tuber shape and flesh colour were identified as key criteria for under species classification. Based on characterized and evaluated results of Dioscorea alata collection in 2009, 08 cultivars were identified to be promising ones. These cultivars will be introduced to farmers and breeding programs.