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What are the control methods for papaya crown rot?
How do you control papaya crown rot? Please advise. When papayas show varying degrees of crown rot, and even lodging and plant death, it is likely stem base rot, which is more likely to occur under high temperature, frequent rain and humidity. Control: generally use agents targeting root rot and Phytophthora blight of cucurbits and vegetables, or bactericidal agents. If diseased plants are found, remove the...
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How to prevent and control strawberry powdery mildew? Master these methods
How to prevent and control strawberry powdery mildew? Please advise. Strawberry powdery mildew can be prevented and controlled by referring to the following techniques: 1. Disease symptoms. It mainly damages leaves, flowers, fruit stems and fruits, and rarely occurs on runners. In the early stage of leaf infection, a thin frost-like white powdery substance appears locally on the underside of the leaves, and then rapidly spreads to the whole plant. As the disease worsens...
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How to prevent and control forked radish roots? Practical methods to share
How should forked radish roots be prevented and controlled? Please advise. The forked radish root phenomenon is when the fleshy root is short and small and branches out. The causes of forked radish roots include the following aspects: 1. Poor soil properties: if the soil is too hard or there are stones in the soil, the fleshy root cannot grow downward and becomes bent and branched, forming forked roots. 2. Organic fertilizer...
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What are the control methods for maggots in radishes and cabbage?
How can cultivation improve the quality of radishes? Please advise: the following methods can be used to improve radish quality: 1. Choose high-quality varieties and new seeds. Choose radish varieties with dense fleshy roots and high dry matter content. In production, use new seeds with strong vitality, not old seeds. This is very important for improving radish quality...
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What are the pollution-free control methods for strawberry pests and diseases?
How to control strawberry pests and diseases in a pollution-free way? Please advise. Strawberry is a perennial herbaceous crop with high economic value, and China has a vast territory with complex and changeable climatic conditions, so the species of pests and diseases and the degree of damage vary greatly. Timely control is the key to achieving high and stable strawberry yields. Pollution-free...
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Spring Occurrence Patterns and Control Methods of Wheat Sharp Eyespot
Wheat sharp eyespot is a fungal disease mainly spread through the soil. As yield levels have increased, with the promotion of high-yielding varieties and wheat field management involving heavy watering and heavy fertilization, its damage has become increasingly serious. The pathogen of wheat sharp eyespot has a broad host range; besides infecting wheat, it can also infect corn, rice, foxtail millet, sorghum and many other...
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How to prevent and control common tomato diseases in autumn?
Common diseases of autumn tomatoes and their prevention and control
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How to control the bean pod borer? These methods work well
How to control the bean pod borer? Please explain. The bean pod borer, also called the cowpea pod borer, is one of the main pests of beans. The adult cowpea pod borer is scattered and hidden, lays eggs over a wide area and in large numbers, and is not easy to kill by spraying or trap. Control methods: First, before sowing, the soil must be treated to kill insects, and the pesticide should be...
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What are the methods for controlling cowpea rust in autumn?
How do you prevent rust when growing cowpeas in autumn? Please explain: the growing environment for autumn-planted cowpeas has high temperatures and relatively abundant rainfall, and in addition the amount of inoculum (urediospores) left behind in the field from spring-planted cowpeas is large. Therefore, autumn-planted cowpeas are prone to rust, and farmers should carry out integrated control early. Main symptoms: cowpeas can be infected by the pathogen throughout the entire growing period...
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"Five Measures" for Effectively Controlling Black Head Disease in Enoki Mushrooms
Black head disease, also known as bacterial brown blotch disease, is caused by a Pseudomonas bacterium belonging to the phylum Schizomycophyta and the class Schizomycetes. The pathogen is rod-shaped, forms white colonies, and shows a negative reaction to Gram staining. 1. Conditions for occurrence: The internal cause of this disease is the variety's lack of disease resistance, while the external causes are high temperature, high humidity, or spraying unclean...
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