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How to comprehensively prevent and control wheat pests and diseases? Latest technical methods tutorial
There are many types of wheat pests and diseases with a long damage period. In control, we must adhere to the plant protection policy of "prevention first, comprehensive control", strengthen forecasting of pests and diseases, grasp the initiative in harm control, take agricultural control as the foundation, focus on controlling wheat sheath blight, fusarium head blight, powdery mildew,
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How to prevent and control rice lodging? A detailed explanation of the latest measures
Types of rice lodging 1. Root lodging: due to poor root development, the roots are shallow and unstable, lacking support, so that under slight wind and rain they fall flat on the ground; 2. Stem lodging: because the stems are not sturdy and cannot bear the weight of the upper part, lodging of varying degrees occurs.
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Latest Guide to Common Rice Disease Prevention and Control Techniques
1. Rice blast. Rice blast, also known as rice fever, can be divided according to the damage period and plant part into seedling blast, leaf blast, neck blast, branch blast, grain blast, and so on. Seedling blast: the base is grayish black, the upper part turns brown, curls and dies; when humidity is high, the diseased part produces a large amount of grayish black mold.
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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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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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The Latest Tutorial on Prevention and Control Techniques for Cotton Bollworm
The cotton bollworm is a major pest during the cotton bud and boll stage. It is a species of insect in the genus Helicoverpa, family Noctuidae, order Lepidoptera, and is widely distributed in China and around the world. It occurs in cotton-growing regions and vegetable-growing areas throughout China, with the Yellow River cotton region and the Yangtze River cotton region suffering more severe damage. In recent
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How to prevent and control tobacco mosaic virus? A detailed explanation of the latest methods
Tobacco mosaic virus occurs commonly in tobacco-growing regions around the world, and is found in both the northern and southern tobacco-growing areas of China, with the southern tobacco-growing areas suffering more severe damage. It can occur from the seedling stage through the harvest stage. The incidence rate of plants in the field is generally 5-20%, and in individual fields it can reach as high as 90-100%. Losses from early infection can reach
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The Latest Methods to Prevent High-Temperature Damage in Corn
When it comes to this time every summer, the dog days arrive, and the dog days are the weather in which all crops are most prone to pests and diseases. They also have a great impact on corn growth. Many friends do not know what kind of damage high summer temperatures can cause to corn, and even if they know, they do not understand how to prevent and control it. So how exactly should the damage to corn during the dog days be prevented? Let's take a look.
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What causes deformed sweet potatoes? With preventive measures
Sweet potato, also known as fan shu or di gua, is an annual herbaceous plant rich in protein, starch, vitamins and minerals, and also has anti-cancer, diabetes-preventing and weight-loss effects, combining edible and medicinal value. However, during sweet potato cultivation, deformed growth can occur
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