How to treat peanut root rot

Peanuts in the growth period, there will be rotten roots, if not timely control, will lead to a reduction in yield, then how to treat peanut root rot?

1. Seeds: when sowing, buying seeds without pathogens and varieties with strong disease resistance has a good effect on preventing root rot, fundamentally, reducing the probability of disease, if the external environmental factors are the same, the better the seeds with disease resistance, the lower the probability of disease. At the same time, seed dressing before sowing is a common measure for many growers to prevent root rot disease. there are many medicaments available, such as difenoconazole, carbendazim, thiram, carbendazim and so on. according to the serious situation of the local chemical resistance to select agents, seed dressing after drying, and then sow seeds.

2. crop rotation: if the occurrence of peanut root rot in some farmland becomes more and more serious year by year, it is recommended that rotation cropping will be greatly improved after 2-3 years. In fact, it is the same not only for peanuts, but also for other crops. It is not recommended to plant for many years and for a long time.

3. Field management: from sowing to harvest, field management should keep up, such as reasonable water and fertilizer, control of weeds, control of prosperity and control of flourish. when peanut plants are relatively strong, their ability to resist diseases will be strengthened. on the contrary, if peanut plants are short, their growth is not exuberant and their own resistance is weak, the disease will be serious.

4. Chemical control: use 56% thiophanate, 20-25 ml per bucket of water for root irrigation, or use 30% thiophanate 10 ml per bucket of water for spray, or use 68% thiram, 15 ml per bucket of water; the above chemicals can be treated with balanced foliar fertilizer.