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        How to control of Verticillium Wilt of Eggplant in Greenhouse-永利国际娱娱乐网址

        Date:2012-09-28 11:14

        In recent years due to the continuous cropping Greenhouse Eggplant Verticillium wilt more, which is aggravating trend, light disease field production around 20%, serious reduction of output 40% ~ 50%. Vegetable grower should pay attention, do work of prevention and control.
        One, the disease symptoms also called half mad, Verticillium wilt disease. The main damage the leaves in different growth stage of eggplant, all can come to the onset, the heaviest. Early onset, lower leaf venation between light yellow spots, and gradually developed into the half leaf or leaves turn yellow. The initial disease leaves sunny day withered, night and rainy weather can be restored, color from yellow to brown, leaf margins curled up, finally leaves die off. The disease extended upward, can develop to whole plant pathogenesis, massive leaf shedding, sometimes in half leaf or half plant pathogenesis. Incidence of dwarf plants, fruit is little and little, with brown stripe, vascular bundles brown.
        Two, prevention technology to adhere to the selection of resistant varieties is a foundation, in order to strengthen the cultivation and management as the center, to chemical control in order to ensure the comprehensive prevention and control measures, to get effective control of Verticillium Wilt of eggplant.
        1 crop rotation. Incidence of field preferably with cruciferous vegetables or rice, corn and other gramineous crop rotation of 3~ 4 years.
        2 selection of resistant varieties. Whoever leaves oblong or pointed, leaf margin has a notch, leaf pubescence, dark green leaves and purple varieties than resistance.
        3 grafting seedling. Use of solarium Torvum, wild red Eggplant Rootstocks, can greatly improve the ability of resistance to Verticillium wilt.
        4 chemical control. When field planting, mu 50% carbendazim WP mixing 500 grams of fine soil 20 kilograms made medicine soil, spreading in the planting hole, for the prevention and treatment.

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