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    How to Control Wheat Scabs

    data:2018-05-31 15:37source:未知 author:admin click:
    What is wheat scab? Wheat scab, which is also known as wheat ear blight, rotten wheat head, and red wheat head, is one of the major diseases of wheat. Fusarium head blight is common in the world, mainly in wet and semi-humid areas, especia
    What is wheat scab?
    Wheat scab, which is also known as wheat ear blight, rotten wheat head, and red wheat head, is one of the major diseases of wheat. Fusarium head blight is common in the world, mainly in wet and semi-humid areas, especially in temperate areas where the climate is humid and rainy.

     

     
    What damage does wheat scab do?
    Wheat scab can be affected from the seedlings to headings. It causes seedling blight, rotten stems and ears. And rotten ears result in loss of wheat production. According to the survey, wheat scab reduces production by 10% to 20% generally, 50% to 60% in severe conditions, or even 100% at the worst.
     

     
    What causes wheat scab?
    Wheat scab is mainly caused by the fungus fusarium graminearum (also known as Gibberella zeae) . And many other factors such as wheat variety, growth period, climatic conditions, agro-ecological environment, and cultivation and management measures, especially with meteorological conditions. In general, the temperature and humidity are the two crucial factors that cause wheat scabs. When average temperature is above 9°C and the relative humidity in the field exceeds 80% (continual raining in 3 days) during wheat heading and flowering period, wheat scab happens.
     

     
    How to control wheat scabs?
    It’s best to take preventative measures at first to control wheat scabs. Scientific management of fertilizing and irrigation, ditch clearance and management are the best ways to keep wheat in good conditions. Also remember spraying suitable fungicides at the right time to prevent spreading of wheat scabs.
     
    When to spray fungicides?
    It’s better to spray fungicides as earlier as you can when it continual rains during wheat heading period. The first spraying will be conducted at the time of 10% wheat heading to the early stage of flowering, with interval of 5 to 7 days for the second spraying. Remember to focus the spraying evenly on wheat spikelet. If it rains after spraying, re-spraying is a must.
     
    How to spray with a drone?
    It's now quite common that a drone is used while spraying. Plant protection drones do not only improve spraying effectiveness but also avoid direct human contact with chemicals. Here are some basic tips for drone sparying.
    1. Keep the drone flying at 3 to 4 meters per second and 1 to 1.5 meters above wheat seedling.
    2. Add sedimentation and wetting agent into fungicides to improve settlement, wetting and spreading of the fungicide droplets.
     

    Eagle Brother's helicopter sprayer drone sprayed on wheat
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