It is a high-yellow bamboo shoot, and it is also a common vegetable on our table. The white yield per mu is much higher than that of ordinary vegetables. In the case of better growth, it is generally about 1500kg per mu. However, many pests and diseases will occur during the planting process. When the pests and diseases are serious, it will cause it to reduce production and reduce the quality. If there is any, it will be rejected, so how to prevent and control the white pests and diseases, and the common pest control methods.
1, rust rust is also called rickets, mainly to damage the white leaves and stems, all occur in the summer high temperature season, severe cases will lead to the entire white wilting and death. At the early stage of the disease, yellow spotted lesions appeared in the leaves. As the disease progressed, the whole plant was yellowish and spread to the stems, which affected the yield.
Control methods: rational close planting, control plant spacing, strengthen field permeability management, strip off dead leaves and yellow leaves at the time of onset, cool down in irrigation, properly apply some potassium fertilizer, improve disease resistance, and then use Baumeite sulfur The mixture is diluted and sprayed.
2. The sheath blight disease occurs in the environment where the nitrogen fertilizer is excessively applied and grows densely, and the prevalence rate is higher in the high temperature and high humidity environment, and the condition is heavier. In the early stage of the disease, water-stained lesions appeared on the leaf sheath, gradually spreading into cloud-like, and the leaves withered, which is the origin of its name.
Control methods: scientific and rational fertilization, not suitable for partial application, control of growth density and humidity, the diseased leaves should be stripped or the diseased plants removed in the early stage of the disease, and then sprayed with Jinggangmycin aqueous solution powder.
3, leaf spot leaf spot disease mainly occurs in a poorly permeable environment, the leaves appear prismatic spots, the leaves gradually browning over time, affecting scarring, resulting in reduced yield and reduced quality.
Control methods: strengthen the permeability management in the field, apply potash fertilizer, improve disease resistance, cut off diseased leaves at the beginning of the disease, and then spray carbendazim to prevent and cure. If the disease is serious, spray once every other week for 3-4 consecutive times. Once, you can heal.
4, mites mites mainly in the damage of the leaves, attached to the leaves, sucking the leaves of the white leaves, often leaving small spots in the leaves, severely leading to hollow or broken leaves.
Control method: Introduce the weeds near the white, remove the old leaves, reduce the number of eggs of the aphids, remove the old leaves at the peak of the aphids, then spray the professional insecticides, spray once a week, so Can play a preventive effect.
This article URL: èŒ white planting technology: analysis of common disease maps and control methods
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