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蔓割病、根瘤线虫和雨季土壤过湿是台湾西瓜的三大害.增施农药与延长轮栽年限都不是最经济有效的办法.扁蒲(即瓠瓜)不但强抗蔓割病,较抗根瘤线虫和黄守瓜幼虫,而且其耐湿性、吸肥力和土壤适应性均较西瓜强.把西瓜嫁接在扁蒲砧上,确是一举多得.在扁蒲的许多品种中,“牛腿瓠”作西瓜的根砧接活率最高,且对果质无不良影响,故常被选用.具体技术是:
It is not the most economical and effective way to increase the pesticides and prolong the rotation period of rotten pests in root exudates, root-knot nematodes and wet soil in the rainy season. Resistant root-knot nematode and yellow Shougua larvae, and its moisture resistance, sucking fertilizer and soil adaptability are stronger than watermelon.Give the watermelon grafted on the flat anvil on the anvil is indeed serve multiple purposes .In the flat-pu variety of varieties, "Watermelon root anvil access to the highest survival rate, and no adverse effects on the fruit, it is often used.Specific technology is: