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What are the latest control measures for wheat loose smut?
Wheat loose smut, commonly known as black smut, gray packet, etc., occurs commonly in many wheat-producing regions of China, with a general incidence rate of 15%, and in severe cases it can exceed 10%. In recent years, especially in areas where farmers save their own wheat seed, wheat loose smut has shown a trend of increasing year by year. Symptoms
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Latest Symptom Identification and Control Measures for Wheat Take-All Disease
Wheat take-all disease is a quarantine fungal disease of wheat. It causes severe damage and spreads quickly. The pathogen generally survives in the soil for more than 7 years. Affected by factors such as environment and variety, the degree and scope of the disease increase to varying extents, and it can reduce wheat yield by 20%-35%. In severely affected fields, yield is reduced by nearly half or even total crop failure. It is a devastating disease of wheat, known as the "cancer" of wheat.
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Latest Control Methods and Precautions for Wheat Sharp Eyespot
Wheat sharp eyespot can infect wheat at different growth stages. After wheat emerges, the pathogen that oversummers in the soil infects the underground stems and basal leaf sheaths of the wheat seedlings. After wheat turns green, light brown oval or diamond-shaped lesions appear on the basal leaf sheaths of the affected wheat seedlings,
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Latest Causes and Control Measures of Wheat Root Rot
It occurs in all wheat-growing countries; in China it mainly occurs in Northeast China, Northwest China, North China, Inner Mongolia and other regions, and in recent years it has continued to expand, with cases also found in the wheat-growing areas of Guangdong and Fujian. The symptoms are similar to those of root drowning disease. After the underground roots are infected by the pathogen, it first spreads from the fibrous roots to the branch roots and then
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Introduction to the Latest Control Measures for Wheat Blossom Midge
The wheat blossom midge is a worldwide pest, widely distributed in the major wheat-growing countries of Asia, Europe and the Americas. In China, the wheat blossom midge is also widely distributed across the country's major wheat-producing regions. There are mainly two species of wheat blossom midge in China, namely the red blossom midge and the yellow blossom midge.
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Latest Corn Pest and Disease Prevention and Control Techniques: A Step-by-Step Guide
During the production process, corn is often harmed by various pests and diseases, causing severe yield reductions. For example, in years when northern corn leaf blight is epidemic, yields can be reduced by 15-30% due to the disease, and severely affected fields can lose more than 50%; damage from the Asian corn borer typically reduces corn yields by about 10%, and in severe years by about 30%.
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How to prevent and control northern corn leaf blight? A detailed explanation of the latest control measures
Northern corn leaf blight is one of the main diseases of corn, mainly damaging the leaves, and in severe cases also harming the leaf sheaths and husk leaves. After the plant is infected, it starts from the bottom leaves and gradually spreads upward; on the same leaf, large and small spots can occur together, or multiple lesions can merge with each other.
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A Detailed Guide to the Latest Control Techniques and Methods for Corn Head Smut
Corn head smut, also known as ustilago and mute corn, occurs commonly in North China, Northeast China, Central China, Southwest China, South China and Northwest China. Since the disease was first reported in Northeast China in 1919, it has spread rapidly and occurs to varying degrees every year. In China,
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Latest Technical Methods Tutorial for the Prevention and Control of Rice Seedling Blight
Rice seedling blight is one of the most important diseases of dry-raised rice seedlings. Its main causes are excessively low temperatures, excessive day-night temperature differences, alkaline soil, insufficient light leading to weak and spindly seedlings, and excessive seeding rates. The main field symptoms are wilting of seedlings after emergence, easy breaking when pulled
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Latest Occurrence of Corn Aphids and Control Measures
The corn aphid is widely distributed in corn-producing areas and can damage corn, wheat, sorghum, rice and various gramineous weeds. During the seedling stage, adult and nymph aphids gather in the whorl to cause damage; after tasseling, they damage the ear, sucking sap, hindering growth, and can also transmit various gramineous cereal
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