MySheen

Why does the lotus root rot?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Topdressing can be applied for 2-3 times. The first time when the standing leaves grow 1-2, the second time before the row is sealed, and the third time when the rear leaves appear. The first application of manure 2000-4000 kg or urea 15 kg, the second application of compound fertilizer 20-25 kg, the third application of 10-15 kg urea, early cultivation.

The disease is the rot disease of lotus root, which is caused by a variety of pathogenic fungi. The surface of the diseased lotus root is in the form of water stains, which can lead to the death of lotus root in serious cases, and the appearance of lotus root turns brown or black. when cut, you can see that the catheter near the center also turns brown. Continuous cropping in cultivation will aggravate the occurrence of the disease. The main control measures are: 1, implement 2-3-year rotation; 2, chemical control: 50% carbendazim powder plus 75% chlorothalonil powder 600 times spray plus stuffy seed, cover airtight for 24 hours, cool and dry after transplanting; when the disease occurs, choose Sukeling 1000 times or 64% disinfectant alum 800 times spray upper petiole, 7-10 days once, continuous control 2-3 times.

 
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