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There are many causes of lotus leaf wilting, which are related to water, light, fertilizer, and disease. During the maintenance period, water and fertilizer are insufficient, lotus leaves lack water and nutrients, leaf growth is poor, and there will be dryness. During the maintenance period, the light is insufficient, the lotus leaf can not carry out photosynthesis, the leaves will turn yellow and dry, and the leaves will curl or wither after being attacked by pathogens.
Causes of lotus leaf wilting.
Lotus leaves are aquatic plants that prefer warm, moist, and well-ventilated environments. During the maintenance period, if the water is insufficient, the lotus leaves will gradually wither in a state of lack of water. In the hot and dry climate of summer, if the lotus leaves are not replenished with water in time, the leaf spray will wilt.
Lotus leaves love light and are suitable for growing in a sunny environment. During the maintenance period, the lotus leaves are placed in a cool indoor position for a long time, and the lotus leaves lack light, and the leaves will turn yellow and wither. Only in an environment with sufficient light can lotus leaves carry out photosynthesis, accumulate nutrients, form a large amount of chlorophyll, and make the leaves green.
Lotus leaves need to have sufficient fertilizer during the growth period, and sufficient nitrogen fertilizer during the growth period. Nitrogen fertilizer can provide nutrients for lotus leaves, and is also conducive to the formation of chlorophyll, which can make the leaves more vibrant green. During the maintenance period, if fertilizer is not applied to the lotus leaf in time, the lotus leaf lacks nutrients, the leaf growth is poor, and the phenomenon of wilting and yellowing will occur.
During the growth period of lotus leaves, after being attacked by pathogens, the leaves will also appear dry, yellow and wilted. Common diseases of lotus leaves are wilt and spoilage. In the early stage of the disease, the color of the lotus leaf will become lighter, the edge will begin to turn yellow, and the later leaf will gradually yellow, curl, dry and wither, which can seriously cause the lotus flower to die.
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The drying of lotus leaves after germination may be caused by lotus leaf rot disease, which should be prevented and treated as soon as possible.
Symptoms: At the beginning of the disease, there are wilt-colored patches on the leaf margins, which then expand inward in patches, and finally the whole leaf turns brown.
After the onset of the lotus root, the central part turns brown and gradually necrosis to the lotus root node and lotus peduncle longitudinally.
Prevention and control: spray 50% carbendazim 500,600 times solution for prevention and control at the beginning of the disease.
Three elements of lotus raising:
Water quality, sunlight, fertilizers.
Other analysis: If it is not a disease, then under the premise of considering that the soil quality is not a problem, there should be no big problem, and the floating leaves have this situation at the beginning of growth, and then fertilize the vertical leaves.
Herbicides cannot be used in lotus root ponds.
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