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我国塑料大棚和温室的栽培面积已有10多万亩,主要作物是黄瓜。由于连茬栽培,黄瓜枯萎病等土传病害十分严重。这种病菌寄生于土壤中,它从根系的伤口浸入,使黄瓜秧苗萎蔫死亡。通过选择品种,高畦栽培,合理浇水,实行轮作等措施,虽可减轻为害,但不能彻底防治。目前,最有效的防治方法是用南瓜根系来取代黄瓜的根系,进行嫁接栽培。这种嫁接苗,可以完全避免枯萎病等土传病害,而且生长健壮,使黄瓜高产稳产。
China’s plastic greenhouse and greenhouse cultivation area has more than 10 acres, the main crop is cucumber. Due to continuous cropping, cucumber wilt and other soil-borne diseases are very serious. This germ is parasitic in the soil, it is immersed in the wounds of the root system, and the cucumber seedlings wilted and died. Through the selection of species, cultivation of highland broom, reasonable watering, the implementation of rotation and other measures, although can reduce damage, but can not completely prevent and cure. At present, the most effective way to prevent and cure is to replace the root system of cucumber with pumpkin root system and carry out grafting cultivation. This grafted seedlings, can completely prevent soil-borne diseases such as blight, and robust growth, so that high and stable cucumber yield.