开封农科所培育出西瓜新品种开封市农科所培育的西瓜新品种─—开杂８号，集中熟、优质、高产、抗病、脆瓤于一身，已通过河南省农作物审定委员会审定，命名为“豫西瓜４号”。豫西瓜４号１９９４年完成了河南省全部中间试验，产量品质均居参试品种之首，各试点最高亩产５... Kaifeng Agricultural Institute to cultivate a new variety of watermelon Kaifeng City, agricultural development of new varieties of watermelon ─ ─ open hybrid 8, focus on cooked, high quality, high yield, disease resistance, crisp in one, has passed the validation of Henan Province Crops Approval Committee, Named “Yu watermelon on the 4th.” Henan watermelon No. 4 in 1994 completed all the intermediate tests in Henan Province, the yield quality of the first varieties of test varieties, the highest yield per trial 5 ...