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WEED MANAGEMENT

WEED MANAGEMENT

Teacher

Ms. Jnana Bharati Palai

Category

Core Courses

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WEED MANAGEMENT

ASAG 2105 (1-1-0)

Course Objectives

To familiarize the students about the weeds, herbicides and methods of weed control.

Learning Outcomes

This course offers a wide scope for students in employment and skill development.

Course Syllabus

Theory
Introduction to weeds, characteristics of weeds their harmful and beneficial effects on ecosystem. Classification, reproduction and dissemination of weeds. Herbicide classification, concept of adjuvant, surfactant, herbicide formulation and their use. Introduction to mode of action of herbicides and selectivity. Allelopathy and its application for weed management. Bio-herbicides and their application in agriculture. Concept of herbicide mixture and utility in agriculture. Herbicide compatibility with agro-chemicals and their application. Integration of herbicides with non chemical methods of weed management. Herbicide Resistance and its management. Transformation of herbicide in plant, Fate of herbicides in soil. Residual effect of herbicides in plant and environment.
Practice
Techniques of weed preservation. Weed identification and their losses study. Biology of important weeds. Study of herbicide formulations and mixture of herbicide. Herbicide and agrochemicals study. Shift of weed flora study in long term experiments. Study of methods of herbicide application, spraying equipments. Calculations of herbicide doses and weed control efficiency and weed index.
Weed survey and vegetation analysis, Field Visit to Farm to observe the effect of various weed management practices in different crops .
References
1. Gupta,O.P. 2012. Modern weed management (4th edition), Agribios (India) Ltd, Jodhpur
2. Rao, V.S. 1992. Principles of weed science ( 2nd edition), Oxford &IBH Publishing Co. Pvt Ltd, New Delhi.
3. Ross,M.A. and Lembi,C.A. 1999. Applied Weed Science. (2nd edition), Prentice Hall of India Pvt Ltd, New Delhi
4. Saraswat,V.N., Bhan, V.M. and Yaduraju,N.T. (Eds.). 1998. Weed management –ICAR Publication

Session Plan

Session 1

Introduction to Weeds, Characteristics and its effects
introduction to weed

effects of weeds

Practice-1 (weed preservation and identification)
https://www.youtube.com/watch?v=IwoVC0e6nHo&t=36s

Session 2

weed classification
classification of weed

https://www.youtube.com/watch?v=QC9oqot_XR8
Practice 2 (Shift of weed flora)
shift of weed flora

Session 3

Reproduction and Dissemination of Weeds
reproduction and dissemination

Practice 3 (weed biology)
https://www.youtube.com/watch?v=QvnwhgDCwho

Session 4

Session 5

Bio-herbicide and herbicide classification

bioherbicide
herbicide classification

https://www.youtube.com/watch?v=-1Vy4_yODw8

Practice 5 (herbicide and agrochemicals)
herbicide and agrochemicals

Session 7

Herbicide mixture and IWM

herbicide mixture
IWM

https://www.youtube.com/watch?v=_OMcALg9t-Y

Practice 7 (Herbicide application methods)
herbicide application methods

Session 8

Transformation of herbicide in plants and fate of herbicide in soil.
Transformation of herbicide in plants
Fate of Herbicides in Soil

https://www.youtube.com/watch?v=gluE3paDqQA

Practice 8(herbicide spraying equipments)
https://www.youtube.com/watch?v=GyenD-9ejvA

Session 9

Herbicide resistance management and residual effect of herbicide.
herbicide resistance management

https://www.youtube.com/watch?v=9clmjyGWebg

Practice 9 (Weed control efficiency and weed index)
https://www.youtube.com/watch?v=ii6-hBsL4gU

Session 10

Residual effect of herbicide.

residual effect of herbicide

https://www.youtube.com/watch?v=JM3nBEFXkUQ

Practice 10 (Herbicide dose)
herbicide dose

Case Studies

Case Studies

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    Our Main Teachers

    Assistant Professor, Department of Agronomy, M.S. Swaminathan School of Agriculture, Centurion University of Technology and Management, Odisha, India