“沪蜜3号”西瓜系上海市农科院园艺所西瓜组从配制的50多个组合中选出的杂交一代早熟新品种,具有较明显的杂种优势。其母本 V_7是一个早熟、优质、座果率较高但抗病和贮运性较差的品种,父本 V_5是一个抗病性强、耐贮运、产量较高、肉质爽口的中熟品种,1988年初步选出。1989年进入品比试验、亲本提纯复壮和抗病性筛选,并在郊县及邻省进行了多点试种和生产性试验,1993年种植面积已达40ha。“沪蜜3号”在座果 “Shanghai honey No. 3” watermelon Department of Shanghai Academy of Agricultural Sciences horticultural watermelon group from the preparation of more than 50 combinations selected hybrid early-maturing new varieties, with more obvious heterosis. The female parent V_7 is a precocious, high-quality, high fruit-bearing rate but poor resistance to disease and storage of the varieties, male parent V_5 is a disease-resistant, resistant to storage and transportation, high yield, delicious meat cooked Variety, initially selected in 1988. In 1989, it entered the product ratio test, and the parents were purified, rejuvenated and disease-resistant. In 1993, the area planted reached 40 ha in several counties and productive experiments in the suburbs and neighboring provinces. “Shanghai honey No. 3” in the fruit