Cucurbit Genetics Cooperative Report 18:1-2 (article 1) 1995 Meng Zhang, Hongwen Cui and Jiangui Li Department of Horticulture, Northwestern Agricultural University, Yuangling Shaanxi, 71200, P.R. China The basin of the “Three Rivers” (the Yaluzangbu, Lhasa and Nyanchu rivers) is situated in the mid-south region of Tibet. It is the center of politics, economics, culture and […]