Cucumber flower topping treatment
After a few leaves of a cucumber are planted, the plants are dwarfed, and the elongation of the plants is stopped, and a plurality of female flowers and male flowers are planted on the top. This phenomenon is called production of flower topping. Although the flowers are topped, the number of melons is greatly reduced and the yield is significantly reduced. The treatment methods are as follows:
1. Apply base fertilizer. Apply sufficient manure, do not blindly apply fertilizer (especially phosphate fertilizer) and cake fertilizer as base fertilizer to avoid improper application of fertilizer to the root of the burn.
2. Fertilization can not be too concentrated. Fertilization is too concentrated, so that the concentration of soil solution is too high, the root absorption of water and fertilizer is blocked, resulting in root tip dead or rust root; or seedlings too, are easy to form a dark green leaf flower topping phenomenon. After the flower was found to be topping, it should be watered immediately and keep the temperature suitable for the growth of cucumber pods, which can promote the germination of new heart leaves into normal growth.
3. Watering. If the seedling stage is in a physiological drought state, it should be immediately watered and interlaced irrigation should be carried out. The water should be poured with a small amount of water (to prevent flooding) and it can be submerged under the membrane (drip irrigation and sprinkler irrigation can be used if necessary). After top-dressing with light water, timely cultivating the loose soil to raise temperature can promote the melon pods to germinate new leaves and turn them into normal growth.
4. Spray conditioner. Use plant growth promoters such as natural brassin and cytokinin to spray once every 7 to 10 days, and spray 2 to 4 times until the melon shoots return to normal growth.
5. Make up fat. The cucumber grows for a long period of time. If the amount of fertilizer is too small and the interval time is too long, it will cause premature aging of the cucumber and flowering. The vegetable grower should follow the leaf color, the amount of the melon, and the growth of the cucumber seedlings in a continuous manner. Usually 10 to 15 days to recover a fertilizer, it should also pay attention to balanced fertilization.
6. There has been a treatment of flowers and topped melons. 1 Use 5 mg/L Naphthalene Acetate in water and Ideo 3000x to mix roots to stimulate new roots to occur as soon as possible. 2 Remove all the size and size of the Guatemala that can be seen on the melon, and reduce the burden on the melon. 3 Spray the quail locust with a regulator that can quickly promote the growth of stems and leaves, such as natural brassin, love more, harvest more, etc., to promote the rapid growth of stems and leaves. 4 After recovering with available nitrogen fertilizer (ammonium nitrate), close the greenhouse after watering to raise the temperature and maintain the night temperature as high as possible. Generally 7 to 10 days can be basically restored to normal growth, and later gradually transferred to conventional management.
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