Muskmelon has a long history in cultivation in China. It has been loved by people because of its sweetness and deliciousness. Especially the highly evolved Netted Muskmelon enters the modern consumer society as a high-grade fruit. As a fresh fruit, it is favored by people from all walks of life. The price is high and the products sell well at home and abroad. In the south of the Yangtze River in China, the use of greenhouses to cultivate netted melon in autumn has high economic and social benefits. The following is a brief summary of the autumn cultivation techniques for the netted melons. First, sowing seedlings (a) Seed treatment in order to enable the seeds to emerge after sowing neat and rapid, reduce disease infections, enhance the seedlings of immature embryos and new seedlings resistance, seedlings before seeding should be treated before seedlings. Soaking with warm soup, with 50 °C -55 °C water, soaking seeds need to constantly stir, so that the water temperature is uniform, and gradually add warm water to maintain the water temperature of 50 °C -55 °C about l0min, then let the water temperature naturally dropped to around 30 °C Continue soaking for 4h. (b) The nursery soil preparation is best to use artificially modulated and mixed good fertile soil. Generally, garden soil 1/2 is used as the base soil, and it is mixed with fully cooked compost. When stacking, various chemical fertilizers should be properly added. After mixing evenly, in order to prevent soil pests and diseases, soil disinfection must be performed with killer agents such as Dixon and Carbendazim. Seedling trays, nutritional pots and other nursery materials should also be carried out simultaneously. (C) sowing general greenhouses in autumn cultivation in mid-July to mid-August, with the amount of 1500-1800 grains / 667 square meters. The treated seeds were sown in a seedling tray and covered with soil 1 cm. After seeding, in order to prevent seedling disease, 3000 times liquid of Green Hunter No. 1 can be used to irrigate the seedbed and touch it until it reaches the top soil of the seedlings. 2. Transplanting and planting (A) Transplanting 1 week after sowing and transplanting into l0cm xl0cm nutrients. One day before transplanting, the seedling tray should be re-applied with 3000 times solution of Green Hunter No.1. Don't go too deep when transplanting. Put the seedlings into the greenhouse after transplanting. The upper part of the greenhouse should be covered with membranes to shelter from the rain. The best choice is to use insect nets on both sides of the greenhouse to prevent pests from entering and causing various diseases. After the transplanting, 10% of the net wettable powder 2000 times liquid was sprayed to prevent insects in the entire greenhouse. (2) The soil in the greenhouse before the preparation for colonization should be fully disinfected once. With 1kg/667 square meters of 50% carbendazim, wet powder plus 15kg lime powder withdraw on the bed. The ground was deep sorghum, 1.5m wide, 50cm deep, and applied to basal fertilizer. The basal compound fertilizer is 50kg/667 square meters, and the decomposed organic fertilizer is 500kg/667 square meters, and is irrigated with water. The sorghum and gill walls were covered with black mulch, and plastic droppers were placed under the mulch. (3) Planting the seedlings for about 3 weeks and planting 2-3 true leaves. At the time of planting, the nutrition bowl should be irrigated, and it is best to select sunny evenings for planting. The depth of colonization is slightly deeper than that of the original nutrient soil, and the root water is poured after the planting to promote seedling survival. The general colonization density is 35cmx50cm. Third, cultivation management (a) plant management 1 tied vines. The plant grows to 5-6 pieces of true leaves and the tendrils are tied when the tendrils are produced, and the poles and nylon threads are used for fixing. 2 pick leaves. In order to prevent the occurrence of pests and aging leaves, the plant grows to 5-6 true leaves, removes the cotyledons, and removes 1 true leaf at the bottom. When the plants grow to 8 to 9 true leaves, 2 true leaves at the bottom are removed. When Daejeon operates, it must be selected at noon on sunny days. After the leaves are picked, bactericide such as carbendazim must be sprayed in a timely manner. 3 pruning. Single vine pruning is used in production. When the plant grows to about 12 nodes, leave 2-3 branches and select the side branch results. Other side branches should be removed as soon as possible. 4 topping. The main branch's picking should be done when the sunny day is growing at noon, and the result is determined by the upper 10 leaves. The toppings of the lateral branches left 1-2 leaves topping before the result. 5 pollination. Use honeybees or artificial pollination, and enter the symbols on the same day. Each fruit set of l-2. Artificial pollination involves the male flowers that were naturally open from 7:00 to 9:00 in the morning, stripped of petals, and the anthers gently touching the female stigmas. 6 sets of bags, after the melons are stable, one bag per plant will be bagged until harvested. Bagging can prevent water droplets in the greenhouse from causing rot, and intense light affects the surface of the fruit. 7 hanging fruit. Fruit hanging fruit during the expansion. Crossbars between plant stems. Hang the fruit on a crossbar. (B) temperature and humidity management of melon is a warm crop, the suitable temperature for the entire growth period of 2O °C -35 °C. When the night temperature is lower than l5°C, the skirt film should be promptly used, and the shed should be closed at night and be ventilated during the day. When the daytime temperature is higher than 35°C, it is necessary to cover the shade net for cooling treatment. From the time of colonization, ventilation should be performed frequently to reduce the internal temperature. (3) Water and Fertilizer Management The water management of Nettle melon should follow the principle of less seedling period, sufficient vine extension period, sufficient flowering period, fruit enlargement period, and the period from the occurrence of mottle to the maturity period. The whole growth period covers rain-proof cultivation. When watering each time, combined with fertilization, plastic dropper can be selected for irrigation. Fourth, pest control Nettle melon greenhouse cultivation in autumn, the main disease during seedling stage blight and damping-off. It can be sprayed 800 times with 72% Preclosure 800 times and 50% with Mobil 800. Grow disease and virus disease are the main diseases during the growth period; foliar spray can be performed with 75% chlorothalonil wettable powder 800 times and 20% virus A wettable powder 500 times respectively. Insect pests mainly include aphids, thrips, leafminers, and other pests, which can be prevented and cured by using 10% of the net WP 2000 times solution or 5% Suppository EC 200 times. Reticulate melons and fruit for about 1 week, spray l killing agent and 0.2% potassium dihydrogen phosphate solution; set fruit for about 2 weeks, before cracking the mesh, spray 1 fungicide and foliar fertilizer again; this time it is very important. After the cracking of the reticulation, the fruit was sprayed with a bactericidal agent and a 200-fold solution of vinegar until fruit ripening. Fifth, the harvest of the general netted melon sheds can be cultivated in l200-1500/667 square meters in autumn and 50-60 days in flowering and mature harvesting.
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