Green No.2 bitter gourd is a new heat-resistant, high-quality, high-yield balsam pear variety newly developed by the Vegetable Research Institute of Guangdong Academy of Agricultural Sciences. The variety has strong growth potential, multiple fruit setting, high yield, and continuous fruition. The fruit weight is 450 grams and the average mu yield is 3,000 kilograms; the fruit is long conical, about 25 to 30 centimeters long and 7 centimeters in diameter, and the fruit color is light green. Luster, thick strips, straight strips, well-proportioned melon strips, good appearance, high commodity value; good heat resistance, medium ripeness, suitable sowing date from February to July. First, timely planting seedlings 1. Seed disinfection treatment: soaking with warm water at 54°C for 15 minutes before sowing, then continue soaking for about 10 to 12 hours (change water once in half), drain and set 30～33°C (heater, farm stove, light bulb Below) germination, sowing after budding. 2. Sowing and growing seedlings: The sowing date should be based on the local climate and the period of listing. Since the temperature is low during sowing in March and March, it is recommended to use a nutrition bag or a nutrition cup for transplanting after transplanting, and 1 bag per bag. Should pay attention to cold, seedlings can be covered with a small arch shed insulation, so that the temperature within the shed maintained at 18 ~ 24 °C, and keep the soil moist. During the nursery process, pay attention to the prevention of damping-off disease (poor shoots), which can be used for prevention and treatment such as radomil, thiophanate or carbendazim. 5 to 7 days before planting, the film or shed was lifted to practice seedlings. Xia Qiuzhi (April-July) is based on live broadcasts. Second, the election site preparation Bitter gourd is resistant to fertilizer but not tolerant. It is better to choose loam with good drainage, deep soil and organic matter. It should not be used in conjunction with melon crops. Planting hoeing is generally 1.5 to 2 meters wide (even ditch) and 30 meters high. When making soil preparation, it is necessary to put in enough basic fertilizer, and generally the Mushi composting soil miscellaneous fertilizer 1000-1500 kg, 50 kg hair fat. Third, colonization Seedling age 2 to 3 true leaves when planting, single or double line planting, plant spacing depending on the season may be, generally 50 to 100 cm, spring and summer sowing should not be too dense, autumn sowing can be appropriate close planting. After planting in early spring, the weather will decide whether to cover the small shed of the membrane. Fourth, field management 1. Bamboo: When bitter gourd begins to pump out vines (in the early spring, it needs to wait until the weather is stable without the cold wave), bamboo is inserted in the style of fences, scaffolds, and ergonomics. 2. Pruning, vines, pollination: Green on the 2nd to the main, side vine results, to properly retain side vines. The side vines below 1 m in the base of the main vine are usually removed and the weak side vines are removed in the middle and late stages of growth. In order to evenly distribute the vine leaves, it is necessary to introduce vines so as to avoid entwined leaves. Early spring cultivation due to less pollinating insects should be artificially assisted pollination to increase the fruit setting rate. 3. Fertilizer and Water Management: Fertilizer should be dominated by organic fertilizers. In general, the combination of fertilization and soil fertility should be used once in the initial flowering period. 25-30 kg of peanut bran and 20-30 kg of compound fertilizer should be used per acre. Fertilize once after the initial harvest, then collect 1 to 2 fertilizers once per harvest. During the growth of bitter gourd to keep the soil moist, prevent drought and stagnant water. V. Harvesting Harvesting should be timely to ensure quality and increase fruit set. The fruit is harvested when the nodules are full, the fruit peel is shiny, and the fruit's tip begins to shine. VI. Pest Control Diseases mainly include wilt and powdery mildew. Fusarium oxysporum is a fungal disease. The pathogens mainly live in the soil and in the unfertilized manure fertilisers. They pass through the wounds of the roots or invade from the apical cells of the root hairs. The severity of the disease depends on the amount of bacteria that were infested at the beginning of the year. Prevention and control methods: (1) Prevention is the main method to avoid continuous cropping with melon and bean crops. It is best to turn crops on dry or dry land, or sprinkle lime powder and water before flooding for more than 1 month; (2) Strengthen cultivation management and field cleaning; ( 3) Grafting, with black (white) seed squash, gourd, etc. as the rootstock, rootstock 2 leaf 1 heart when grafted; (4) with carbendazim before sowing by 1:100 dubbed medicine soil in the planting point, seedling period with 50 % carbendazim 1500 times, green hengyi, anti-dry Ling and other liquid irrigation control. Powdery mildew can be infected from the seedling stage to the harvest period, in which flowering and fruit setting are more susceptible to disease. In the early stage of disease, white or nearly circular small spots appear on the leaf surface or on the back of the leaves, and then expand into contiguous white powder in all directions. In severe cases, the entire leaf is covered with white powder. In the late onset period, the white mold became gray due to aging, and the diseased leaves were yellow. The main points of prevention and control techniques are early prevention, prevention before the noon, uniform spraying and large amount of water. In the early stage of disease, colloidal sulfur can be used to control 100 times, and spray once every 5 days. In the middle and late period, Shigao, Xiansheng and Fuxing can be used for prevention and treatment. Insect pests mainly include fruit fly melon flies, and they are effective at spraying mid-day or late evening with 6,000-times killing, 50% dichlorvos-emulsion 1,000 times, and 2.5% deltamethrin 3000-times. Due to the long period of adult emergence, it takes 3 to 5 days to spray once, continuous spray 2 to 3 times. Disclaimer: Some articles in this website have been transferred from the Internet. 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