一、品种选择利用塑料大棚栽培西瓜，为了实现早熟高产，应选用早熟或中旱熟品种，并且具有优质、丰产、抗病、低温结果性好的特点。目前较适宜品种有京欣1号、郑杂5号、郑杂7号、苏蜜1号和84—24等。二、播种、育苗与嫁接（一）育苗场所：嫁接育苗最好在大棚或温室内采用温床 First, the choice of varieties The use of plastic greenhouse cultivation of watermelon, in order to achieve early maturity and high yield, should be used in early maturing or medium drought varieties, and has high quality, high yield, disease resistance, low temperature and good results. At present, the more suitable varieties are Beijing Xin 1, Zheng 5, Zheng Zheng 7, Su-1 and 84-24 and so on. Second, sowing, nursery and grafting (a) nursery places: grafting nursery best greenhouse or greenhouse hotbed