Book Detail: Weed Management in Horticulture Crops with Practicals

Language: English

Pages: 186

Author: Dr. D. D. Sharma, Dr. C. Chinnaswamy, Sh. Mohinder Singh

Price: Free

 

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Theory

Introduction, harmful and beneficial effects, Classification, propagation and dissemination, Weed biology and ecology, crop weed association, Concepts of weed prevention, control and eradication, Methods of weed control – physical, cultural, chemical and biological methods, Integrated weed management, Herbicides: advantages and limitations of herbicide usage in India, Herbicide classification, formulations, methods of application- Introduction to adjuvant and their use in herbicides, Introduction to selectivity of herbicides, Compatibility of herbicides with other agro-chemicals, Weed management in major field and horticultural crops, shift of weed flora in cropping systems, Problematic weeds and their control.

Practical

Identification of weeds, Survey of weeds in crop fields and other habitats, Preparation of herbarium of weeds, Calculation of weed control efficiency and weed index, Herbicide label information, Computation of herbicide doses, Study of herbicide application equipment and calibration, Demonstration of methods of herbicide application, Preparation of listing of commonly available herbicides, Study of phytotoxicity symptoms of herbicides in different crops, Biology of Nut sedge, Bermuda grass, Parthenium and Celosia, Economics of weed control practices, Tours and visits of problem areas.

 

Outlines of Weed Management

Lecture 1. Introduction- definitions, characteristics or features of weed, origin and history of weeds

Lecture 2. Harmful and beneficial effects of weeds

Lecture 3. Classification of weeds

Lecture 4. Propagation of weeds , methods of weed propagation, dissemination of weeds, methods of weed dissemination, persistence of weeds

Lecture 5. Weed biology – weed categorization, woody plants, according to morphology, invasive weeds

Lecture 6. Weed ecology and crop weed competition

Lecture 7. Factors affecting crop weed competition/interference, allelopathy- allelochemicals, allelopathic effect of weeds on weeds, allelopathy and weed control

Lecture 8. Weed control (Mechanical/cultural/biological)

Lecture 9. Chemical weed control- advantages of herbicides, classification of herbicides

Lecture 10. Method of herbicide application- soil and foliar application, time of herbicide application

Lecture 11. Adjuvants- kinds of adjuvant, factors affecting herbicide persistence in the soil

Lecture 12. Selectivity of herbicides

Lecture 13. Chemical classification of herbicides

Lecture 14. Integrated weed management-physical, cultural and biological strategies

Lecture 15. Control of problematic weeds

Lecture 16. Weed management in fruit crops -temperate, subtropical and tropical fruits

Practicals 

Exercise 1. Identification of weeds

Exercise 2. Survey of weeds in crop fields and other habitats

Exercise 3. Preparation of herbarium of weeds

Exercise 4. How to calculate weed control efficiency and weed index

Exercise 5. Herbicide label information’s

Exercise 6. How to calculate herbicide dose

Exercise 7. Study of herbicide application equipment and calibration

Exercise 8. Demonstration of methods of herbicide application

Exercise 9. Commonly used herbicides and their trade name

Exercise 10. How to measure phytotoxicity of herbicides

Exercise 11. Biology of nut sedge

Exercise 12. Biology of bermuda grass

Exercise 13. Biology of parthenium

Exercise 14. Biology of celosia sp.

Exercise 15. Economics of weed control practices

Exercise 16. Tours and visits of problem areas

 

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