Three times of medicine for grape disease control
According to the recent climate and the occurrence characteristics of grape diseases and insect pests, the prevention of leaf diseases and fruit diseases should be emphasized at present, and pests should be treated simultaneously. For disease control, the first time can be used BILU 2 33.5% quinoline copper suspension (1500 times solution) plus 50% carbendazim WP (500 times solution) or essential 80% Bordeaux WP 400-500 times solution spray; For the second time, spray with Baitai 60% azoxfen·dimefon water dispersible granules (1500 times solution) plus Fuxing 40% flusilazole emulsifiable solution (8000 times solution), or Kebo 78% pol·manganese zinc wettable powder (400 - 500 times solution) plus amisoxystrobin 25% suspension (1500 times solution); for the third time, spray with Penke 80% mancozeb wettable powder (500 times solution) plus 70% thiophanate-methyl wettable powder (700 times solution). For pest control, pesticides are added according to the occurrence of pests in the field at each application, and 3000 times of 10% beta-cypermethrin emulsifiable concentrate, 1500 times of Zunkui 2.5% methylamino abamectin benzoic acid aqueous dispersible granules, 1500 times of Mihongling 0.6% abamectin emulsifiable concentrate, etc. can be selected. Pay attention to control the drug concentration, alternate drug use, stop 10-15 days before grape harvest.
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Key points of grape maintenance during flowering and fruiting period
First, strengthen the management of fertilizer and water. In production, fertilizer and water management must be carried out according to the phenological phase of grape growth and development. In addition to deep ploughing, fertilization and soil improvement during grape planting, fertilization and irrigation should be carried out at each growth stage according to the needs of grape growth and development. 1. After the vine was unearthed.
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Grape should be protected from white rot in rainy days during ripening period.
White rot is one of the main diseases of grape, especially in the old vineyard, when the grape is about to mature, the disease is serious in continuous overcast and rainy weather, which often causes great losses. The disease of grape white rot usually begins in the middle and late July, which mainly harms the ear and the new fruit, and the fruit is more susceptible to the disease during the ripening period. Ear disease, mostly in the vicinity.
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