Bacterial wilt. There is no specific drug prevention and treatment of this disease, and the control effect of the optional disease-resistant varieties is obvious.
Stem rot. Seed storage without mildew is the basic measure to prevent stem rot. If the seeds are deflated, they can be soaked with carbendazim. The method is to first take 50% carbendazim 125 grams, add 25 kilograms of water to make a dilution, then pour into 50 kilograms of seeds, soak the seeds for 24 hours until the liquid is soaked and sowed. Field strains can be treated with carbendazim 1000 times liquid or spray.
Viral disease. It is a disease caused by virus infection. The deformed fruit of the diseased plant is similar to the bean grain, the shell is thin, and the seed kernel can break through the fruit shell, and the exposed part is purple. The sickness rate of the small fruit capsule is as high as 100%. The key measures for the prevention and control of viral diseases are the sowing of diseased seeds, the selection of large seeds and large seeds, the cure for aphids, the elimination of transmission vectors, and selection of disease-resistant varieties.
Peanut root knot nematode disease. It is a soil-borne disease caused by pathogenic nematodes invading the roots and pods. The tissue at the affected site is destroyed, forming worms and affecting normal plant growth. Can use 10% grams of phosphorus per acre 4 kg to 5 kg, can be applied to the sowing ditch. In addition to controlling nematode diseases, these drugs can also treat both underground and above-ground pests that occur in the same period.
The main pests are: large black, black wrinkled, black velvet beetles and their crickets, brown crickets, cloud beetles and wireworms and other underground pests and sucking juice locusts, thrips, spider mites and other pests on the ground. The control method is mainly seed packet medicine. In the field where the pests mentioned above occur, use 35% of seed coating agent No. 4 0.5 kg, mix 25 kg of peanut seeds (ie, 1 gram of medicine mixed with 50 g of seed kernels), and pour the medicine and seeds on the plastic cloth and stir it evenly. Evenly, it can be sown after the medicine is solidified.
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