After entering June, most of the northern land grapes entered the young fruit period, and the following points were grasped in management: make good fruit thinning, remove small fruit, stiff fruit, diseased fruit and over-dense fruit, improve fruit quality . Grasp the fruit ear bag, use a systemic fungicide before bagging, and hold the bag tightly after using the medicine. The selection of pesticides before bagging should consider the prevention and control points of diseases and insect pests. The key points of prevention and control before bagging are gray mold, anthracnose and white rot. Use good topdressing. In the early stage of the expansion of the young fruit, drip irrigation (impulse application) of a balanced large amount of elemental water-soluble fertilizer 5-10 kg/mu from the size of the fruit mung bean grains, once every half a month. At the same time, combined with pest control leaf spraying, it can improve the resistance to stress, increase the flexibility of the leaves, and prevent fruit cracking. Field management is mainly about water control, weeding, weeding, topping and deputy shoots. Bind the new shoots in time to improve the ventilation and light transmission conditions and the microclimate in the field. Pay attention to the prevention and control of plant diseases and insect pests. This period focuses on the prevention and treatment of downy mildew and anthracnose.
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