The production management of peanut flowering in the lower needle stage, the flowering period of peanut flowering is the period of rapid growth, tree growth, leaf growth and flowering, which is the most important link of peanut yield and quality index. The following techniques should be grasped in management:
Water and fertilizer management of peanut flowering in the lower needle stage
Fertilizer management In this period, peanuts are very sensitive to drought and phlegm. Water must be watered in case of drought. Fertilization is mainly foliar fertilization, generally spraying 0.20%~0.30% potassium dihydrogen phosphate solution (if the leaves are yellowed, it seems iron deficiency symptoms, can be mixed with 500 times of rich iron for spraying), even spray 2~ 3 times, the spraying time is best before 10 o'clock in the morning or after 4 o'clock in the afternoon, the effect is better.
Management of Pests and Diseases under Peanut Flowering
Pest control in this period mainly to prevent peanut leaf spot, brown spot, etc., can spray 500 times carbendazim liquid or 600 times mancozeb solution, once every 10 days, even spray 2 times, prevention The effect is better. The main pests are cotton bollworm, aphids, mites, golden worms, etc. When 100 plants have 30 cotton bollworms or 100 mites with more than 800 mites, timely prevention and control methods should be adopted.
Especially with cotton bollworm, with the increase of temperature in recent years, peanut bollworm is becoming more and more serious. The first to second instars are mainly harmful to peanut heart. After 3 years of age, they enter the binge eating stage. A large number of biting leaves and flower buds can cause peanut yield reduction. %~30%. The specific method is: using 1000 times of worms or 1500 times of worms to sweep and take turns to prevent and control, the effect is good. If underground pests are found, the roots can be irrigated with phoxim in time, and the fungicide and the insecticide can be mixed and sprayed together to achieve the effect of treating both diseases and insects.
This article URL: Production Management of Peanut Flowering and Needle Period
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