What about the rot of lotus in the latest planting period?
Symptoms of rot of bowl lotus
Bowl lotus rot is what we usually call rot disease, the disease occurs in the whole plant, and gradually spread to stems, petioles, leaves and other parts. In the early stage of the disease, the disease is relatively mild and difficult to detect with the naked eye. With the aggravation of the disease, one side of the stem will turn brown, the color of the leaves will become lighter, and the leaves will dry up until death.
Conditions for rot of lotus bowleri
The rot of lotus is not caused by a temporary illness, but by long-term latent fungi overwintering in the soil. Fungi lurk in lotus root and diseased soil, and when the temperature rises in spring, it erodes the plant.
There are differences in disease among varieties, the disease with deeper roots is lighter, but the disease will be aggravated by continuous rain and lack of sunshine.
The disease can be easily induced by poor or acidic soil drainage, dirty water quality or water temperature higher than 38 ℃.
Measures for prevention and control of bowl lotus rot
Disease-resistant varieties should be selected according to local conditions, and seed selection must be pure.
Turn the soil in time to increase the permeability of the soil and sprinkle some lime appropriately.
Before planting, the lotus root was sprayed with carbendazim or thiophanate-methyl solution, then sealed with plastic film for 24 hours, removed and dried before transplanting.
Fertilization should be timely and appropriate, mixed application of organic fertilizer and chemical fertilizer, in different stages of lotus root growth, we should control the amount of water, suitable depth and moderate water temperature.
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