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What to Do When Broccoli Gets a Viral Disease? Disease Patterns and Key Control Points
Viral disease is a major disease of broccoli, occurring commonly and severely. The disease patterns and control methods of this disease are described below: 1. Disease patterns In areas where cruciferous vegetables are not grown in winter, the virus overwinters on stored Chinese cabbage, cabbage, radish or overwintering spinach; when cruciferous vegetables are grown in winter, ...
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Occurrence Patterns and Control Methods of Sorghum Head Smut
As the sorghum planting area continues to expand and the planting years lengthen, the damage caused by sorghum head smut is becoming increasingly serious, directly affecting the development of sorghum production. I. Degree of damage: In the early 1990s, sorghum head smut occurred only sporadically in a few local areas of the county. By 2000, the affected area in individual townships was about 43 hectares, with a diseased plant rate of 15%, while other planting areas had only mild occurrence. According to a 2004 survey, the affected area in the county was 800 hectares, accounting for 34% of the total sorghum sown area, with an average diseased plant rate of 20.5% in affected fields; in 2005, the affected area in the county was 1333 hectares, accounting for 67% of the total sorghum sown area, with an average diseased plant rate of 31.2% in affected fields. In the sorghum planting area of the Second Brigade of Biesituobie Township, the diseased plant rate reached 70.5%, with a severity of 70%.
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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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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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Occurrence Patterns and Control Methods of Black-Streaked Dwarf Disease in Spring Corn
Black-streaked dwarf disease is a viral disease transmitted by the virus-carrying small brown planthopper (Laodelphax striatellus), with the seedling stage being the main susceptible period. Since the 1990s, with changes in planting structure, black-streaked dwarf disease in single-season rice and spring corn in Chun'an County has worsened year by year, especially since 2000, when rice black-streaked dwarf disease has occurred throughout the county,...
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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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Detailed Explanation of the Occurrence Patterns and Control Methods of Chrysanthemum Powdery Mildew
Chrysanthemum powdery mildew is one of the common diseases in flowers, and it is distributed in both southern and northern China. Chrysanthemum powdery mildew causes poor plant growth, leaf death, and even failure to bloom, seriously affecting greening and beautification results and flower production; it also harms cineraria, pot marigold, coneflower, African daisy, cosmos, aster, dahlia...
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What to Do When Oyster Mushrooms Get Walnut Meat Fungus Disease? Occurrence Patterns and Integrated Control
Recently, many readers have reported that the oyster mushrooms they cultivate have been affected by walnut meat fungus (Diehliomyces microsporus). We are therefore reposting an article titled "Occurrence Patterns and Control Techniques of Walnut Meat Fungus in Oyster Mushrooms" published by Yang Yongheng, An Xiurong and others of the Tai'an City Institute of Agricultural Sciences, Shandong, for growers' reference: In recent years, Tai'an City and its surrounding...
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Occurrence patterns and control methods of black spot disease in Chinese roses
Black spot disease of Chinese roses (Rosa chinensis) and roses is a worldwide disease, occurring commonly across China. It mainly damages the leaves, followed by petioles, leaf tips, young tender shoots and flower stalks. It occurs severely in both southern and northern regions and other areas. The disease causes leaves to turn yellow and drop early. When the disease is severe in summer during April and May and in late summer during August and September, the leaves can drop completely, causing Chinese roses...
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What are the living habits of scorpions? A comprehensive analysis of scorpion behavior patterns
The living habits of scorpions
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