At present, there are more than 700 serious diseases in China's crops, which bring great harm to agricultural production. What kind of bactericidal agent is used, and how to apply it properly is a crucial issue. The book is divided into 10 chapters to introduce the basic knowledge of crop diseases, the principle of applying fungicides to control crop diseases, the mode of action of fungicides, common application methods, several common dosage forms of fungicides, and fungicides (single doses). Main varieties, fungicides, bactericidal, insecticidal mixtures, seed coatings for several crops and special blends for seed dressing. Rich in content, scientific and practical, it can be used by farmers to read and apply, and it can also be used as reference for teachers and students of agricultural colleges.
Rational use of fungicides Chapter 1 Basic knowledge of crop diseases 1. Multiple microorganisms can invade various crops. Diseases 2. Diseased crops and various diseases 3. Transmission of pathogenic microorganisms and disease prevalence IV. The second chapter applies the principle of using fungicides to control crop diseases. First, we must implement the principle of “integrated prevention and controlâ€. Second, we must emphasize “prevention firstâ€. “Timely and rational use of drugs. 3. Symptomatic use of drugs. The characteristics of diseases are not clear. 4. Use the medicine according to the action characteristics of the fungicide according to the prescribed method. 5. It must be applied according to the method specified in the label or the instructions of the medicine. 6. The new medicine should be tested first and then promoted. 7. Rational use of medicine to prevent the pathogen. Drugs produce resistance or phytotoxicity. 8. Prevention of poisoning accidents. Chapter 3: The role of fungicides 1. Protective effects 2. Therapeutic effects 3. Scavenging effects 4. The role of protective agents and systemic agents. Pharmaceutical methods Chapter 5 Several common dosage forms of fungicides Chapter 6 Main types of fungicides (single doses) Chapter 7 Mixtures of fungicides Chapter VIII Sterilization, insecticidal mixture I. Prevention and control of wheat diseases, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides, insecticides Coating agent 2, rice seed coating agent III, corn seed coating agent IV, cotton seed coating agent 5. Soybean seed coating agent 6. Peanut seed coating agent Chapter 10 Mixing special mixture for seed dressing 1. Mixing for wheat seed dressing Agent 2, used in cotton seed dressing mixture.
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