Main points of cultivation management of spring arch shed eggplant
First, control the temperature of the large arch shed cultivation of spring eggplant, after the establishment of the eggplant seedlings until the slow seedlings, to close the shed insulation, try to keep the temperature inside the shed at 28-30 degrees during the day, 15-20 ° C at night, after the slow seedlings, should pay attention to ventilation Ventilation, so that the shed temperature is maintained at 23-25 ​​° C during the day, generally not more than 33 degrees. Â
Second, the fertilizer pipe protection in the case of good bottom, the door eggplant walnuts before the water as much as possible to increase the ground temperature, to prevent falling flowers and fruit, when the eggplant egg is large, combined with watering, 10 kg of urea per acre, after Increase the number of waterings as appropriate. Third, after the whole branch of the picking heart, you can knock off all the side branches and old leaves below the eggplant, and concentrate the nutrients to supply the fruit. If double dry pruning is used, the excess side buds should be removed in time. When the planting density is large, when the "four-mother bucket" flower is bud, leave 2 leaves on the flower; when the planting density is small, you can leave 2 leaves in the "Baofengfeng" flower bud. Fourth, the hormone is regulated to prevent the eggplant from falling and falling, and it can be sprayed with 20x10-6 2,4-D aqueous solution or with 50x10-6 anti-falling.
Fifth, the main diseases of disease prevention and control of eggplant are plague, verticillium, brown streak and so on. Diseases are mainly based on prevention. Prevention by means of sun-breeding, drug soaking, seedbed disinfection, and rotation. Once the disease occurs, drug control can be carried out. In the early stage of eggplant plague, 64% of the cytotoxic WP can be sprayed with 500-800 times solution or 64% of the anti-virus cockroach can be used as the dominant powder 500 times solution, and the roots are irrigated once every 7-10 days for 2-3 times. Eggplant verticillium wilt occurred, rooting with 50% carbendazim WP 500 times, each planting 0.5 kg of good liquid. Rooting once every 7-10 days, 2-3 times in a row. Eggplant brown streak disease, using 75% chlorothalonil WP 600 times solution or 40% nail cream copper WP 600-700 times solution, spray once every 7-10 days, even spray 2-3 times. The insect pests of eggplant are mainly aphids and eggplant, which can be sprayed with 40% omethoate emulsifiable concentrate 1000 times. 6. Harvest the eggplant cultivated in the large arch shed in the spring, from flowering to harvesting tender fruit. If the management is normal, it usually takes 20-25 days. The beginning of the "door" is around "May 1". When the fruit is no more white, the fruit surface gloss has not been receded. The best time to harvest the eggplant is in the morning, when the fruit is full and the color is bright.
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