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Occurrence Patterns and Control Methods of Barley Yellow Mosaic Disease
Barley yellow mosaic disease occurs mainly in the lower Yangtze River basin, in the provinces and municipalities of Hubei, Zhejiang, Jiangsu, Shanghai and Anhui, among which Jiangsu, Zhejiang and Shanghai are the most severely affected. Diseased plants die off prematurely, leading to a lower rate of productive tillers in barley, a marked reduction in seed-setting rate, lower thousand-grain weight, lower flour yield and reduced quality. When barley develops...
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Common Problems of Greenhouse Eggplant in Early Spring and Their Control Methods
In the early spring season, when temperatures are low and light is weak, greenhouse eggplant often shows various abnormal conditions. The common problems and their control are described below: 1. Stunted seedlings In the early spring crop, eggplant often shows stunted seedling symptoms at the seedling stage, such as small leaves, dark green color, thin stems and few roots. After transplanting, such seedlings recover slowly, grow weakly, and...
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What causes deformed melon fruit? Causes and control methods
Causes of deformed fruit in melons and control methods
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Cause analysis and prevention and control methods for shiitake mushroom log rot
Causes and prevention and control methods of shiitake mushroom log rot
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How to control mango weevil disease? Detailed explanation of control methods
1. The mango leaf-cutting weevil is widely distributed. Adults feed on young mango leaves, causing the leaves to dry up; or females lay eggs on young leaves and bite the young leaves off from the base, affecting plant growth. Control methods: ① During the growth period of young shoots, pick up the bitten-off fallen leaves from affected plants once every 3 days, dry them in the sun and burn them to kill the lar...
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Occurrence Patterns and Control Methods of Mango Anthracnose
1. Damage symptoms: It mainly damages mango flowers, fruit, and tender shoots. After tender leaves are infected, many small round brown spots appear, surrounded by a yellow halo, and they gradually expand into round, polygonal, or irregular brown lesions, which later rupture and perforate. Wounds on leaves and young fruit caused by gall midges, leafhoppers, and other pests are also easily infected by this disease. Severely infected...
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What are the control methods for stunted seedling syndrome in greenhouse eggplants?
Symptoms: In early spring crops, eggplants often show symptoms at the seedling stage such as small leaves, dark green color, thin stems, and few roots. After transplanting, such seedlings recover slowly, grow weakly, and are prone to flower and fruit drop. Causes: The disease occurs most easily when the seedbed temperature is too low (below 15°C for a long time). When using heating facilities or nutrient pots for seedling raising, water consumption is high,...
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How to prevent and control eggplant Phytophthora fruit rot? These methods must be mastered
Eggplant Phytophthora fruit rot, commonly known as fruit rot and watery rot, is one of the important diseases of eggplant and occurs commonly in all regions. Eggplant can be affected at all growth stages. Losses are generally 20-30%, and more than 50% in severe cases. The peak fruiting period is also the peak disease period, and in rainy regions and years it often breaks out into disaster, causing devastating losses. 1. Disease identification...
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Detailed Guide to Common Pest and Disease Control Methods for Goji Berry
Common Pest and Disease Control Methods for Goji Berry
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Timely Control Methods for the Loquat Yellow Hairy Caterpillar
The adult of the loquat yellow hairy caterpillar is commonly known as the "upside-down butterfly." Its larvae feed on buds and tender leaves, and during outbreaks they also damage old leaves, the bark of tender stems, flowers and fruit. On damaged leaves, only the upper epidermis and veins remain. First-instar larvae of this pest are gregarious. From the second instar they begin to disperse and cause damage, and after the third instar their food consumption increases greatly. This pest is one of the most common and serious...
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