From sowing to planting period of potato in greenhouse
1. Select 75% methyl topiramate 600,800 times or 75% chlorothalonil 1000 times to control blight; 72.2% Pulike water agent 5-7.5ml / m2 seedling bed for the prevention and treatment of stunting, early blight, anthracnose and so on.
two。 In the seedbed period, two bags of chili powder or 500-800 times of Ke Xianling or 400 times of virus a wettable powder are sprayed every 667 square meters to prevent and control virus. Spray every 7 days, 3 times in a row. Can get good results.
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Potato planting in greenhouse to fruiting period
Use 50% to avoid aphid fog or 10% imidacloprid 5 g / mu to control aphids and cotton bollworm, alternately use dt emulsion 400ml / mu, or use 2 billion pib/ ml cotton bollworm nuclear polyhedrosis virus suspension 50ml / mu to control Helicoverpa armigera and control tobacco green insects and aphids. Before and at the initial stage of Fusarium wilt, the roots of Luheng No. 1 were irrigated with 3000 times solution, or Luheng No. 2 or Luheng No. 8 1500-2000 times, or Qingjiaoan.
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Prevention and Control of Potato from sowing to sowing time in greenhouse
1. Adjust the planting structure and rational crop rotation. Avoid continuous cropping with melons, eggplant fruits and vegetables, but with cruciferous cabbage and Chinese cabbage; green onions and garlic of Liliaceae for more than three years. two。 Disease resistant varieties were selected. Such as Haijiao 2, Zhongjiao 4, Zhongjiao 5, Zhongjiao 6, Zhongjiao 7, Zhongjiao 8, Sweet Pepper 3, Sweet Pepper 4, Sweet Pepper 6, Juice Pepper 1, Jujiao 9, Fengjiao 1, Dujiao 1, Jinjiao 8, precocious 1 and so on. 3. Disinfect the seedbed. Available 50
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