连作西瓜枯萎病严重,往往进入结瓜期后,整株连瓜带蔓死去。采用抗病砧木进行嫁接栽培,可有效地防治西瓜枯萎病的发生,且抗寒,减少肥料(特别是氮肥)用量,有利于西瓜早熟增产和提高经济效益。这项技术已在本县得到广泛应用,特别在温室、大棚和双覆盖保护地栽培中,嫁接防病具有更重要意义。现就我们的经验总结如下: 一、选择优良砧木 一般选用亲和性强的南瓜或瓠瓜品种。如新土佐南瓜(F1)砧木具有良好的 Continuous watermelon Fusarium wilt serious, often into the fruiting period, the whole plant with melon to die. The use of disease-resistant rootstocks for grafting and cultivation can effectively prevent the occurrence of watermelon blight, and prevent cold and reduce the amount of fertilizer (especially nitrogenous fertilizer), which is conducive to early yield increase of watermelon and increase economic benefits. This technology has been widely used in this county, especially in greenhouse, greenhouse and double-cover cultivation, grafting disease prevention is more important. Now our experience is summarized as follows: First, the choice of good rootstock generally use strong affinity pumpkin or cucumber varieties. Roots such as the new Tosa pumpkin (F1) have good