KẾT QUẢ CHỌN TẠO GIỐNG KHOAI LANG KL20-209 CHO VÙNG MIỀN TRUNG VIÊT NAM

KL 20-209 sweetpotato variety at the growing duration of 100 - 120 DAP has gained yield of 17.2 - 18.1 ton root /ha, was higher than Cuc Nhanh variety gained 14.8 ton/ha in the Northern Center, were higher than Đa Nang variety yield of 14.2 ton/ha, Truoi Sa variety yield of 14.7 ton /ha in the Southern Center, and regular at P = 95%. KL 20-209 variety has gained the highest root number, gained DMC from 23 to 33%, higher than varieties in the experiment and was the goot root quality for fresh eating and processing. KL 20-209 variety was recognized the provisional variety by Ministry Agricultural and Rural Development on date of April 06 /2011, with for to develop extensively for provinces in the Northern-Southern areas.