Key points of cultivation of tomato pepper in solar greenhouse

1. Seedling production (1) Seedbed production: Pasture soil, chicken excrement, and vermiculite without disease and infestation were selected to create a seedbed at a ratio of 1:1:0.5 and sprayed with 50% carbendazim wettable powder. The dosage was 8 g/m2. (2) sowing: drill seedlings at a spacing of 5 cm and 2 cm, soil repelling with a cover of 4 cm, soaking the bed with water and covering with waste newspapers. (3) Management: The ground temperature was maintained at 28-32°C within 5 days after sowing, and then the ground temperature dropped to about 27°C. The seeds germinated within 10 days, and the water kept the soil moist during the period. (4) Transplantation: Two true leaves of the plant were transplanted in a nursery pot filled with nutritious soil. The height of the nursery pot was 15 cm, the diameter was 10 cm, and the nutrient pot occupied 3/4 of the pot capacity. The strip was placed and water was poured. , covering with newspapers shading, greenhouse temperature maintained at about 28 °C, ground temperature 18-20 °C, remove the cover after two days. The greenhouse temperature is maintained at 20-25°C and timely watering. Plants colonize when they grow to five to eight leaves. Ten days before planting, seedlings were to control water, increase light, and the temperature was controlled to 15-20°C. Second, colonization (1) soil, greenhouse disinfection: soil spraying 50% carbendazim 1.5 kg per acre disinfection, greenhouse sulfur powder + 45% chlorothalonil fumigation, confined 2 days disinfection. (2) Fertilization: 5000 kg of chicken manure or other farmyard fertilizer, 25 kg of phosphate fertilizer, and 25 cm deep leveling. (3) Rigid coating: north-south ridging, ridge distance of 1.4 meters, ridge width of 1 meter, ridge height of 0.2 meters, ridge width of 0.8 meters, surface median excavation of 15 cm 15 cm ditch, filling water, ridge surface Small ditch on both sides to the triangle excavation and planting hole, the hole distance of 50 cm, and then cover the film, sealed for two days to increase the temperature. (4) Colonization: 10 cm long “+” characters shall be drawn on the membrane of the planting hole, and the membrane shall be picked up. The plants in the nursery pot shall be implanted in the hole, and the foot shall be filled with a small amount of fine sand. III. Management (1) Irrigation: After 10 days of planting, the plant should be irrigated with water for 10 days, then watered every 7-10 days. Before the harvest, the sub-film ditch should be used for water irrigation, and the fruit should be harvested after submerged irrigation and furrow irrigation. process alternately. Tomato pepper is sensitive to moisture. When the water is scarce, the leaves are wilting and drooping. Therefore, the watering should be timely. (2) Fertilization: When all plants form buds, topdressing 15 kg of urea per acre, and collecting 20 kg of urea per month after harvest. (3)Temperature and humidity management: After planting, the daytime temperature is maintained at 25-30°C, the ground temperature is 20-28°C, the nighttime is 12-20°C, the ground temperature is 15-20°C, the humidity is kept at 85%, and the flowering and fruit growing period, the daytime temperature is kept 25- 30°C, ground temperature 23-25°C, nighttime 18-25°C, ground temperature 18-22°C, humidity maintained at 70-80%. (4) Lighting requirements: tomato pepper light requirements 1500-3000Lx, less than 1500Lx falling flower increased, higher than 3000Lx, the temperature increased, the temperature exceeds 35 °C affect pollination, fruit drop increased, the fruit was burned. Fourth, plant management. Tomato pepper with branches shoot out of buds, flowering, fruiting, branches and more leafy, heavy load, must be framed. Planting wooden piles along the planting line, pulling three wires on the wooden piles, and attaching the piles and branches to the wire frame, forming a “V” shaped frame. Adjust the direction of branches at any time, fix new branches, cut off long branches, remove diseased leaves, and ensure that plants grow robustly. V. Harvesting. Tomato pepper from flowering to fruit recovery takes 50-60 days, fruit growth and branching and flowering at the same time, the entire growing period of up to 180 days, according to the order of fruit ripening in batches, the fruit color from purple to black Afterwards, cut them with a scissors at the pedicel 3 cm and store them in boxes. Prevents scratches on the surface of the fruit or crushes during transport. Six, pest control. (1) Install 20 mesh nylon yarn insect nets at the air outlet to prevent intrusion of various types of pests. (2) Adjust the temperature and humidity of the solar greenhouse to make it suitable for plant growth. Humidity is high during the fruit-producing period. Every morning, the air outlet is exposed for 0.5-1 hours. (3) In the result period, spray 72% of agricultural streptomycin WP 4,000 times to prevent virus disease, soft rot, spray 2% of agricultural anti-120 WP 200 times to control powdery mildew.

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