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How to prevent and control peach leaf curl? Those growing peach trees should know early
1. Symptoms and damage. This disease occurs from time to time in the south. When severe, it causes branch dieback and affects ornamental value. The disease mainly damages leaves. When leaves unfold in early spring, the leaf margins curl downward. Part of or the entire diseased leaf becomes blistered and enlarged, the leaf becomes thicker, brittle in texture, and yellow or red, and the leaves
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How to prevent and control peach latent mosaic viroid? Key points for disease prevention in peach tree cultivation
Peach latent mosaic viroid is also known as peach mosaic disease, peach yellow mosaic disease, peach variegation disease, etc. It occurs in many countries such as the United States and Japan, and similar diseased plants have also been found in China. The only host of this disease is peach. (1) Symptoms Peach latent mosaic viroid is a latent disease, and the leaves generally do not
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How to prevent and control peach bacterial shot hole? A detailed guide to peach tree disease prevention and control methods
Peach bacterial shot hole is a widely distributed disease with a high incidence rate. Bacterial shot hole occurs in all peach-producing areas nationwide, especially in coastal and lakeside areas, in orchards with poor drainage, and in rainy years, where it often breaks out severely. If not controlled in time, it easily causes
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A Detailed Guide to Common Pests and Diseases of Plum Trees and Their Control Methods
After the first pinching of the plum tree, pinch the new secondary shoots when they reach 20 cm, and pinch the developing branches when they reach 60-80 cm. If there are many branches, some can be thinned out; if the branches are not too dense, thin as little as possible and control more. Before mid-July, the weeds in the orchard must be completely removed
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Occurrence and Control Methods of Pests and Diseases in Hami Melon Cultivation
I. Bacterial Leaf Spot Symptoms: In the early stage, water-soaked lesions appear near the veins on the underside of leaves. The lesions expand rapidly and merge together, with a yellow halo at the edges. Control method: In the early stage of the disease, spray the leaves with 77% Duoning at 500 times dilution or 3% Zhongshengjunsu at 800 times dilution 2-3 times, once every 4-5 days.
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How to prevent and control powdery mildew in cantaloupe cultivation?
Powdery mildew is a major disease of cantaloupe, widely distributed and commonly occurring, occurring both in protected cultivation and in open fields, severely affecting cantaloupe yield and quality. Symptoms can occur throughout the entire growth period, and it can infect leaves, petioles and stems. Initially, white
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What are the control methods for Cercospora leaf spot on cantaloupe?
Brown spot is a common disease of cantaloupe, widely distributed, mostly occurring sporadically, with mild symptoms and no impact on production. In severe cases, the diseased plant rate can reach over 80%, causing some leaves to become diseased and necrotic, affecting yield and quality to a certain extent. Symptoms: This disease mostly occurs in the mid-to-late growth stage of cantaloupe
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Control Methods for Root-Knot Nematode Disease in Hami Melon
Root-knot nematode disease is an important disease of Hami melon, occurring and distributed in some areas. It can develop both in protected cultivation and in open fields, with more severe occurrence in autumn. Infection at the seedling stage has a great impact on production. After the disease develops, the rate of diseased plants often reaches more than 60%, significantly affecting Hami melon production. Symptoms mainly
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Control Methods for Fusarium Fruit Rot of Hami Melon
Fusarium fruit rot of Hami melon, also known as white mold disease, is an important disease on Hami melon, mostly occurring during storage and transport, and Hami melon and honeydew melon are susceptible to damage. The symptoms mainly affect the fruit. Initially, round, slightly sunken, light brown lesions appear at the fruit stalk, 10-30mm in size, then the surrounding area becomes
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How to prevent and control bacterial leaf spot in cantaloupe cultivation
Bacterial leaf spot is an important disease of cantaloupe, and it can occur in both protected and open-field cultivation. In severely affected fields or greenhouses, the diseased plant rate can reach over 80%, and severely diseased plants die from the disease, significantly affecting production. Symptoms mainly affect the leaves, and in severe cases also infect the stems, vines, and fruits. Leaves
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