The colored peppers cultivated in the solar greenhouse are in the fruit setting and inflating stage from late September to early November. The output before the Spring Festival was formed during this period. Production should take full advantage of the climatic conditions during this period and strengthen field management.
Replacement of the shed film to increase the light transmittance of the shed film means that during the period of late autumn and early winter, the old shed film is replaced with a new shed film, and it must be a drop-free film to increase the light transmittance and increase the light intensity.
Strengthen water and fertilizer management This period requires adequate nutrition and moisture, watering and top dressing every 7 to 10 days. Watering should be done with a small amount of water, preferably with water under a membrane. When watering, avoid rainy and snowy days to prevent accumulation of water and adversely affect the growth of color peppers. Fertilizer in accordance with nitrogen: phosphorus: potassium = 1:0.5:1.5, per acre applied fertilizer 10 kg.
Plants adjusted the habit of multiple branching of colored peppers, adjusted the plant development status according to specific conditions, and adjusted the plants. In order to harvest more and better fruits, pruning should be done once a week to remove excess collaterals and diseased branches. If you need to take care of your heart, it should not be too early or too late, so as not to affect the development of color pepper. Topping should be done on a sunny day to facilitate wound healing.
The management of temperature and humidity pepper growth during the day to maintain the temperature of 23 °C ~ 28 °C, night temperature maintained at 16 °C ~ 18 °C, the minimum 15 °C, the ground temperature 20 °C ~ 22 °C is appropriate, the relative humidity of air 70% ~ 80 ~ . When the temperature exceeds 28°C during the day and 18°C ​​or more at night, the air should be released. If the air is too dry, you can put clear water in the ditch to increase the humidity. In the early stage of flowering and fruit setting, the night temperature should be kept high, and the night temperature during fruit expansion can be reduced to 12°C to 15°C. The weather changed greatly in October, and production should be timely released and covered with insulation according to the changes in the weather.
Pest control In recent years, the occurrence of powdery mildew has frequently occurred in greenhouses, causing serious defoliation in severe cases. During this period, the weather is relatively dry. We must pay special attention to the occurrence of powdery mildew. The prevention and treatment should be mainly prevention, use of chlorothalonil smoke agent or powder for prevention once every 7 days, and conditional use of high-efficiency, broad-spectrum fungicide Amisidae for prevention and treatment. Once powdery mildew occurs, Shi Gao, Fu Xing and other agents should be promptly sprayed for prevention and treatment.
Western flower thrips are also very harmful to the color peppers, and they have strong resistance to drugs, rapid propagation, and great harm. They are hidden in flowers and are not easy to control. Can be used Ruidan, Wan Ling, vegetable insects net, good year winter and other agents alternately used or mixed, as far as possible to prevent and control before flowering.
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