What pests and diseases should be prevented and controlled when growing chives in summer?
What pests and diseases should be prevented and controlled when growing chives in summer? Please explain. Chives should have the following two pests and diseases prevented and controlled in summer: prevent and control Fusarium wilt. In summer and autumn, high temperatures, or hot sun exposure after rain, make Fusarium wilt prone to occur. The symptoms are water-scalded lesions near the ground, and in severe cases the whole plant dies. In terms of management, pay attention to...
What pests and diseases should be prevented and controlled when growing chives in summer? Please explain.
Chives should have the following two pests and diseases prevented and controlled in summer:
Prevent and control Fusarium wilt. In summer and autumn, high temperatures, or hot sun exposure after rain, make Fusarium wilt prone to occur. The symptoms are water-scalded lesions near the ground, and in severe cases the whole plant dies. In terms of management, pay attention to drainage and waterlogging prevention, and remove yellow leaves to keep good ventilation between rows, so as to reduce disease damage. A 50% carbendazim 500-fold solution can also be used to drench the roots for disease prevention.
Prevent and control chive maggots. Chive maggots occur rather seriously in summer. A 50% phoxim 800-fold solution can be used and slowly flowed into the water furrow together with watering. You can also broadcast phoxim granules when fertilizing and preparing the soil after cutting chives, or during the peak occurrence period of chive maggot larvae, use 0.75-1 kg of 20% "chive maggot clean" per mu mixed with 1000 kg of water to irrigate the roots.
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