Sharing method of celery root rot
The most common disease caused by celery cultivation is root rot. According to Hui Nongwang Xiaobian, root rot will cause celery to fold and cause serious damage. The following is the prevention and cure method of celery root rot in Huinong. Planters have a quick look!
Celery root rot is a disease that often occurs in the field. Mainly harmful to the rhizome and petiole, the affected part was initially water-stained, dark green necrosis, and gradually turned grayish white to gray-brown soft rot, and the surface of the diseased tissue was pink and mildewed on the surface. The upper leaves of the diseased plants lose water and wither, and some of the diseased plants rot and collapse.
The pathogen is a fungus of the genus Aspergillus. The pathogens are overwintered in the soil or in the diseased bodies by mycelium or conidia. Generally, the watering in the field is uneven, the soil is sticky, the knots, the water is accumulated, or the unfertilized fertilizer and the underground pests are seriously affected. In addition, weak plant growth is also conducive to disease.
Root rot prevention and treatment method
1. Deeply turn the soil before planting; rotate with non-umbrella and non-solanaceae vegetables.
2, reasonable watering, and pay attention to drainage after rain; apply fully decomposed farmyard manure; timely control of underground pests.
3. Remove the diseased plants as soon as possible, and thoroughly clean up the diseased bodies after harvesting and bring them to the field for centralized destruction.
4, the initial use of the disease, you can choose 98% carbendazim WP 2000 times, 10% double effect hydrating agent 1000 times, 50% carbendazim WP 500 times or 25% enemy de-emulsion 1000 times irrigation 5-7 days, even 1-3 times.
In the process of vegetable planting, pests and diseases are the most worrying of the growers. Once they suffer heavy losses, the above-mentioned methods of prevention and control of celery root rot shared by Huinong.com, farmers are rushing to collect!
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