黄瓜嫁接用南瓜作砧木，代替黄瓜根系，目的是为了换根。砧木和接穗要求亲和性强，容易成活，接穗要耐低温弱光、高产，商品性好，并具有抗枯萎病、耐低温等优良性状，嫁接后结的黄瓜要具有原有品种的风味。据调查，适合扬州地区栽培的砧木为云南黑籽南瓜，接穗为新泰密刺和长 Cucumber grafted with pumpkin as rootstock, instead of cucumber roots, the purpose is to change roots. Rootstocks and scion requirements of affinity, easy to survive, the scion to low temperature and weak light, high yield, good commodity, and has resistance to Fusarium wilt, low temperature and other excellent traits, the knot after the cucumber to have the original flavor. According to the survey, rootstocks suitable for cultivation in Yangzhou, Yunnan black seed pumpkin, spiked Xintai spines and long