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1.配制营养土和选择砧木(1)配制营养土选取未种过瓜菜地块的表土,敲细过筛,和已过筛的腐熟猪粪、焦泥灰等,按7:3的比例混匀。每立方米粪土混合物加50%多菌灵40克、磷酸二氢钾50～80克,经堆压后待用。苗床和床土最好用绿亨1号消毒。(2)砧木的选择西瓜嫁接用的砧木首先要选择抗病力强,与接穗具有强亲和力的作物和品种。南瓜和瓠瓜可作西瓜的砧木,南瓜对枯萎病有极强的抗性,根系发达,抗低温。但多
1. Preparation of nutritious soil and selection of rootstocks (1) Preparation of nutritive soil Select the uncultivated land plots of cucumber, finely sieved, and the sieved maturity of pig manure, coke and other coke, according to the ratio of 7: 3 Mix well. Add 50% of carbendazim 40 grams, 50 to 80 grams of potassium dihydrogen phosphate per cubic meter of manure mixture, stand by for use after stacking. Seedbed and bed soil best green No. 1 disinfection. (2) the choice of rootstock rootstock grafted watermelon must first select the strong resistance, and scion with strong affinity crops and varieties. Pumpkin and cucumber can be used as watermelon rootstock, pumpkin has a strong resistance to blight, root system developed, anti-hypothermia. But more