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What are the control methods for zucchini gray mold?
In recent years, the area of zucchini grown in solar greenhouses has been relatively large, and the occurrence of zucchini gray mold often causes tender squash to rot, affecting yield and profitability. Therefore, measures should be taken for integrated control. Grafting for disease prevention. Using Yunnan black-seeded squash (Cucurbita ficifolia) as rootstock and zucchini as scion for grafting can increase zucchini's resistance to...
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What are the control methods for zucchini brown spot disease?
There are mainly two diseases that can cause stalk rot in zucchini: the first is gummy stem blight. This disease mainly infects zucchini at the stem nodes; the infected area is initially dark brown, then gradually turns black, and the lesion tends to split open, exuding a white gelatinous substance; in the later stage the diseased stem shrivels and splits longitudinally, resembling tangled hemp. The second...
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What are the control methods for zucchini soft rot?
Zucchini soft rot mainly damages the root and stem parts and the fruit (the zucchini itself). During the fruiting stage, the stems and the base of the leaf stalks first become water-soaked; especially at natural cracks or wounds on the root and stem, they gradually soften, the diseased part becomes sunken, and the internal tissue rots, forming a grayish-brown viscous substance with a foul odor. The water in the affected part evaporates,...
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Detailed explanation of common diseases of Siraitia grosvenorii and their control methods
Common diseases of Siraitia grosvenorii and their control
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What are the control methods for cucumber target leaf spot?
Cucumber target leaf spot is a fungal disease, and the pathogen is Corynespora cassiicola, so it is also called Corynespora leaf spot. It has been reported in various parts of China in the past, but it was not very serious. In recent years, with the continuous development of protected cultivation, the disease has worsened year by year and has become an important leaf disease in protected cucumber production, and may also cause damage to tomatoes and many other vegetables.
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What to Do About Mango Flower and Fruit Drop? Causes and Control Methods
Causes of Mango Flower and Fruit Drop and Control Methods
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How to Prevent Flower Drop in Oil Beans? Detailed Practical Control Methods
In snap beans, flower drop occurs under adverse conditions such as high temperatures above 30°C or windy weather, soil that is too dry or too wet, insufficient nutrients, and weak light, so field management should be strengthened to prevent flower and pod drop. Trials have shown that applying biological potassium fertilizer can reduce the occurrence of flower and pod drop.
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Grape Disease Prevention and Control Methods in the Rainy Season
Grape downy mildew is one of the important diseases of grapes and can occur in all parts of our country. It mainly damages the leaves, causing early defoliation, and can also harm new shoots and fruit clusters. The main symptom is the formation of polygonal yellow spots on the upper surface of the leaves, which later die, turn brown, and produce white downy mildew on the underside. Grape downy mildew...
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Identification and Control Methods of Jujube Rust Disease Explained in Detail
(1) Symptoms: Jujube rust disease only damages the leaves. In the early stage, pale green small spots are scattered on the underside of the leaves, later gradually becoming raised and dark yellow, which are the uredinia of the pathogen. The uredinia are irregular in shape and mostly occur on both sides of the midrib, at the leaf tip and base. After the surface of the lesion ruptures, yellow urediniospores are scattered. On the upper side of the leaf, corresponding to the uredinia, green...
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