NGHIÊN CỨU SỬ DỤNG TRI THỨC BẢN ĐỊA TRONG BẢO TỒN ON-FARM KHOAI MỠ

The surveys of the yam in current production, including the related indigenous knowledge have been conducted in some locations of midlands and mountainous areas in the Northern Vietnam (Lang Giang, Bac Giang and Huu Lung, Lang Son). The research results show, some local genetic yams (Khoai mo trang trui, Khoai mo trang long, Khoai mo tim) still maintained in the fields by farmers. The farmers in study sites have rich indigenous knowledge on cultivation and storage of yam varieties. Study on using the local knowledges in on-farm conservation of yam genetic resources plays an important role in determining the appropriate methods to safely maintain and develop this traditional crop, reduce the yam germplasm erosion.