蔬菜嫁接是一项行之有效的防病高产新技术。我国从70年代开始,研究推广西瓜、黄瓜、番茄、茄子的嫁接技术,近年来发展很快,尤以西瓜发展最快。据1992年中国园艺学会不完全统计,全国西瓜嫁接面积约10万亩。蔬菜嫁接的首要目的是回避病害。一些土传病害 Grafting vegetables is an effective disease prevention and high yield of new technologies. Since the 1970s, China has studied and promoted grafting techniques of watermelon, cucumber, tomato and eggplant. In recent years, it has developed rapidly, especially in watermelons. According to incomplete statistics of China Horticultural Society in 1992, the national watermelon grafting area is about 100,000 mu. The primary purpose of vegetable grafting is to avoid disease. Some soil-borne diseases