Eggplant native to the tropics is a thermophilic crop that has many years of growing habits under conditions such as temperature. It has been proved that under the condition of the greenhouse, the old strains adopt the pruning and regenerating cultivation, which can make full use of the ground force and light energy to solve the problem of air ventilation and light transmission in the field, and the plants have quick branches and strong growth, realizing a kind of multi-income and increasing the output per unit area. The purpose of improving economic efficiency. First, the choice of species. Should choose strong growth potential, strong branching, disease resistance, large yield potential, good commercial quality, good quality of the late-maturing varieties, such as black coral, Fushan Cattle eggplant, green election long eggplant, Katie 1 and US tomato Crown and so on. Second, field management. Eggplant pruning regeneration cultivation techniques, in the first quarter of cultivation, the same as the conventional greenhouse eggplant protection cultivation (slightly). Regeneration cultivation is the continuation of growth in the first season, and field management must not be relaxed. In particular, pruning must be strengthened, rational fertilization should be implemented, and pests and diseases must be promptly prevented and maintained. Before the pruning, the general foliar spray 0.2% potassium dihydrogen phosphate + 0.5% urea + 50% thiobacillus 1000 times, even spray 3-4 times. Third, the first pruning and management 1, pruning time. The wintering and eggplanting in greenhouses, after the fruit period, with the arrival of the summer, not only the results are reduced, the quality is reduced, and the economic benefits are greatly reduced. Therefore, the first pruning is performed from late July to early August. If the temperature is too high, pruning can be postponed. On sunny days, pick the branches at 10-12 p.m. 2, pruning method. There are two kinds: First, the step-by-step pruning method is to cut off both sides of the branches at 10 cm above the eggplant. After the pruning, the side branches will sprout and branch, and the buds will bloom. When the fruits are about to be harvested, the other two will be left. Collaterals were cut off about 10 cm on the eggplant. The second is a one-time pruning method. That is, about 10 centimeters from the ground on the main pole, all the upper branches and leaves are cut off, and new shoots are formed by the roots to form new branches. 3, after cutting management. A total of 30 grams of agricultural Streptomycin 1, 75% chlorothalonil, and 20% virus A wettable powders were prepared and transferred into a paste with water and applied to wounds to prevent infection. After the pruning, combine ridging, applying 100-120 kg of compound fertilizer per acre, 150 kg of cooked cake fertilizer, and ridge height of 6-8 cm, then pour a small amount of water. After pruning, axillary buds quickly formed lateral buds, and they began to set branches 8-10 days. Each plant was evenly selected for leaving 5-6 lateral branches in different directions. After budding, buds begin 7-8 days. After 50% of the plants have seen the fruit, they have to fight for water. The first time to recover 20-25 kg urea per mu, watering once every 8-10 days, every time after a water chase a fat. Keep the ground wet and dry. After the cold dew, it was transferred to the management before wintering. Fourth, second pruning and management 1, pruning time. After the first pruning, the eggplant can be listed in large quantities before and after the frost fall. Soybeans can be harvested completely 5-6 days before the snowfall. Make a second pruning before and after heavy snowfall. Cut 5 cm shorter than the first trim and apply the medication at the cut. 2, management. After the pruning, the ditch is opened in a large row, and 3000-4000 kg of high-quality farmyard fertilizer is applied per mu, 150-200 kg of cooked cake fertilizer and 80-100 kg of ternary compound fertilizer. Small-medium farming should be carried out in small businesses to avoid hurting the roots and bruising the trunk. Shed temperature is controlled at 25-28°C during the day and above 10°C at night. This period of cultivator can keep the ground loose, protect the earth, warm up and maintain the roots. After the spring of the next year, we chose to pour water every morning on sunny days and combine topdressing with urea 20-25 cm per acre. As the weather became warmer, lateral branches continued to grow, leaving 3-4 lateral branches per plant, and all lateral branches below the first buds were removed. Later transferred to normal management. Fifth, pay attention to the problem 1, pest control. When eggplant is regenerated and cultivated, it is necessary to pay attention to the occurrence and prevention of diseases and pests, so as to maintain the robust growth of plants and ensure a high density, otherwise it is difficult to obtain the expected benefits. Diseases and insect pests mainly include verticillium wilt, sclerotinia, damping-off, brown-brown, cotton blight, bacterial wilt and aphids, red spider, tea-yellow, whitefly, ladybird, etc. Methods and corresponding medicaments are timely controlled. 2, renewable years. The regeneration of eggplant is generally good in the first two years, and the benefit is reduced in the third year, mainly due to root ageing, high degree of lignification of branches, and weaker branches, followed by year-on-year increase in diseased plants, reduced density (including mechanical damage), and yield Lowering, affecting income, so it is appropriate to cultivate for two years in general. 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