First, timely removal of diseases, worms and diseases, pests and diseases, the removal of seriously ill strains, brought out of the ground or burned.

Second, water and fertilizer management

1. Watering: 3 days after planting, select a sunny day at noon to pour seedlings, cucumber roots sit and end the seedlings, pour a larger amount of water, and pour two small waters within 10 days. Pick up the water for 4 to 6 days.

2. Dressing: From the time of planting to harvesting, topdressing 8 to 10 times. In addition to planting and cultivar Huanmiao sitting on the chase once after the fertilizer, the rest during the harvesting melon during the top dressing, ammonium sulfate per acre 10 to 15 kg or 1000 kg of human waste, using chemical fertilizer and human waste alternately .

3. Foliage topdressing: During the period of fruiting melons, foliar spray 0.2% urea and 0.5% potassium dihydrogen phosphate can be applied.

4. Applying gas fertilizer: Carbon dioxide is emitted in greenhouses and greenhouses every morning after half an hour in the morning. The concentration reaches 800 to 1500 ppm.

Third, chemical control

Priority should be given to the use of dust and smoke methods to prevent and control pests and diseases. Spraying can also be controlled in dry, sunny weather. Attention should be paid to rotation and rational mixing.

1. Downy mildew: spraying 5% chlorothalonil dust or 5% gram of dust with 1 kg per acre sprayer; 45% chlorothalonil aerosol, 100-180 g per mu, split From 5 to 6, they ignited the shelter overnight, smoked once in 7 days, and smoked 3 times.

2. Bacterial keratoderma: Use 50% ceric chloride copper wettable powder 400 to 500 times or 77% to kill WP 500 times or 72% for agricultural use streptomycin sulfate soluble powder 4000 times spray , spray 3 to 5 days, continuous spray 2 to 3 times.

3. Anthracnose: Anthraquinone Formamide 600-800 times or 70% mancozeb WP wet 600 to 800 times or 58% metalaxyl MnZn wettable powder 500 to 600 times spray. 7 to 10 days spray once, continuous spray 2 to 3 times.

4. Powdery mildew: Spray 15% triadimefon 1500 times, spray 2 times in total; or use 27% high-fat film emulsion 70-140 times spray to protect the stems and leaves, 7-10 days spray once, spray a total of 3 ~ 4 times; or 500 times with baking soda, 3 days spray once, continuous spray 4 to 5 times.

5. Fusarium wilt: 70% thiophanate-methyl WP 800 to 1000 times or 50% carbendazim WP 800 to 1000 times or 50% carbendazim WP 500 times or 10% double Efficient water agent 300 times liquid irrigation root, each strain of irrigation liquid 0.25 ~ 0.5 kg, about 10 days and then re-irrigation, even irrigation 2 to 3 times, such as adding biochemical fulvic acid in the liquid, the effect will be significantly improved .

6. Broom disease: Spray 75% chlorothalonil WP or 600 times 70% Mancozeb WP, spray 5 to 7 days, and spray 2 or 3 times.

7. Botrytis cinerea: use 6.5% carbendazim dust, 1 kg per acre, spraying device, 7 days spray once, spray 2~3 times; also use 50% nellikon wettable powder 1500 times liquid or 65 % Tomyloam WP 800 to 1500 times spray, 5 to 7 days spray once, even spray 2 times.

Qianxi County Bureau of Agricultural Animal Husbandry and Aquaculture

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