
Weed Management Principles And Practices
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Dr. Sanjay Chaudhary Is Working As Ass. Professor, Department Of Agronomy, C.S.A.U. Of Agriculture And Technology, Kanpur (U.P.). Dr. Chaudhary Has A Very Long Research And Teaching Experience In The Field Of Agronomy And Crop Production. He Has Attended Several Specialized Training Courses Related To Different Aspects Of Natural Resource Management, Weed Science And Crop Production. He Has A Good Number Of Publications Including Many Research Papers, Review Papers/Book Chapters And Popular Articles To His Credit. He Is Quite Popular Teacher Among The Post-Graduate Students At The C.S.A.U. Of Agriculture And Technology, Kanpur (U.P.). Dr. Dinesh Kumar Is Working As Senior Scientist, Division Of Agronomy, Indian Agricultural Research Institute, New Delhi. Dr. Kumar Has 15 Years Of Research And 7 Years Of Teaching Experience. He Has Attended Several Specialized Training Courses Related To Different Aspects Of Agronomy, Physiology, Statistics And Crop Production. He Has A Good Number Of Publications Including Research Papers, Review Papers/Book Chapters, Popular Articles, Books/ Manuals To His Credit. He Was Awarded Junior Research Fellowship (ICAR), Senior Research Fellowship (IARI), Dr. P.S. Deshmukh Young Agronomist Award Of ISA (2000), Chinese Government Scholarship (2001-02), Dr D.N. Puri Memorial Award For The Biennium 2007-2008 And Commonwealth Academic Staff Fellowship (2008). Dr. Rajvir Sharma, Principal Scientist (Agronomy-Weed Science) Is Working At The Division Of Agronomy, Indian Agricultural Research Institute, New Delhi. Dr Sharma Has 17 Years Of Research And Teaching Experience. He Did Post-Doctoral Research At Jhejiang University, Hangzhou Province, China (2003). He Has Good Number Of Publications To His Credit: (I) Research Paper (65), (Ii) Review Paper/Book Chapter (22), (Iii) Popular/ Technical Articles (45), (Iv) Book /Manual (9) And (V) Papers Presented In Seminar/Symposia (50). He Was Also Awarded Chinese Government Scholarship In 2002-03. He Also Made Oral Presentation In 20th Asian- Pacific Weed Science Society Conference Held During 2005 At Hochi Minh City In Vietnam. Recently He Organized A 21 Days Winter School Training Programme On "Recent Advances In Chemical And Non-Chemical Approaches Of Weed Management In Cropped And Non-Cropped Areas." His Specialized Area Of Research, Teaching And Extension Is Weed Science. Dr. J.P.S. Rathi Is Retired Professor (Weed Science), Department Of Agronomy, C.S.A. U. Of Agriculture And Technology, Kanpur (U.P.). Dr. Rathi Has A Very Long Research And Teaching Experience. He Has Attended Several Specialized Training Courses Related To Different Aspects Of Weed Science, Natural Resource Management And Crop Production. He Has A Good Number Of Publications Including Research Papers, Review Papers/Book Chapters, Popular Articles, Books/ Manuals To His Credit. His Specialized Area Of Research And Teaching Has Been Weed Management.
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Content
- Intro
- halftitle
- title
- copyright
- Contents
- Preface
- Foreword
- Acknowledgements
- CHAPTER 1 : WEED
- INTRODUCTION
- CLASSIFICATION OF WEEDS
- CHARACTERISTICS OF WEEDS
- HARMFUL EFFECTS OF WEEDS/LOSSES CAUSED BY WEEDS
- IMPORTANCE OR USEFULNESS OF WEEDS
- WEEDS ASSOCIATED WITH RESPECTIVE CROPS
- PROPAGATION AND DISPERSAL OF WEEDS
- Propagation of Weeds
- Means of Dispersal
- CROP-WEED INTERFERENCE ECOPHYSIOLOGY OF CROP WEED INTERFERENCE
- CHAPTER 2 : WEED MANAGEMENT
- METHODS OF WEED CONTROL
- Cultural Method /Weed Suppression through Good Crop Husbandry/ Ecological Method of Control
- Mechanical/Physical Method of Weed Control
- Biological Control of Weeds
- Chemical Method of Weed Control
- When Herbicides are Applied?
- How Herbicides are Applied?
- How to Improve the Efficiency of Herbicides?
- Precautions to be Taken to use the Herbicides
- CHAPTER 3 : INTEGRATED WEED MANAGEMENT
- INTRODUCTION
- MAJOR COMPONENTS OF IWM
- OBJECTIVES OF IWM
- ROLE OF IWM IN CROP PRODUCTION
- LIMITATIONS OF IWM
- CHAPTER 4 : ABSORPTION AND TRANSLOCATION HERBICIDES
- INTRODUCTION
- HERBICIDE UPTAKE BY PLANT
- PATHWAYS FOR FOLIAR ABSORPTION
- ABSORPTION FROM SOIL
- ABSORPTION BY SEED AND COLEOPTILE
- HERBICIDE MOVEMENT IN PLANTS
- HERBICIDE WITH LIMITED MOBILITY
- CHAPTER 5 : HERBICIDE SELECTIVITY
- INTRODUCTION
- FACTOR AFFECTING THE SELECTIVITY
- Plant Factors
- Crop Factors
- EQUIPMENT AND ITS CALIBRATION AND CALCULATION OF HERBICIDE DOSAGE
- Parts of Sprayer
- Calibration
- Calculation of Herbicide Doses
- Concentration of Solution in ppm
- Calculation of Weed Index (WI) and Weed Control Efficiency
- (WCE) PERSISTENCE OF HERBICIDES IN THE SOIL
- Micro-Organism Decomposition
- Chemical Decomposition
- Adsorption of Herbicide by the Soil
- Leaching
- Volatility
- Photodecomposition
- Plant Uptake
- FACTORS AFFECTING HERBICIDE EFFECTIVENESS
- The Weed Leaf
- Climate
- Time of Day
- Age of Weed
- Nutrition
- Cultivation
- Soil Organic Matter
- Soil Texture Soil Moisture
- Chemical Compatibility
- SOME PROBLEMS ASSOCIATED WITH HERBICIDE USE
- Injury to the Crop
- Residues in the Crop
- Residues in Soil
- Compatibility with other Pesticides
- Occupational Hazard
- Air Pollution
- Water Pollution
- Disposal of used Containers
- Resistant Weeds Managing Resistance
- Effects on Wildlife
- WEED MANAGEMENT PLANNING
- Step 1. Diagnosis of the problem
- Identify the Weed
- Identify the Problem
- Remember
- Step 2. Planning the Program
- Step 3. Implementing the Program
- Step 4. Monitoring Success/Failure
- Steps to Reduce Herbicide use
- CHAPTER 6 : HERBICIDE-RESISTANT CROPS
- INTRODUCTION
- BENEFITS OF HERBICIDE-RESISTANT CROPS
- RISKS
- CHAPTER 7 : MANAGEMENT OF WEEDY RICE
- INTRODUCTION
- ORIGIN AND DESCRIPTION
- BIOLOGY
- Dormancy and Seed Longevity
- Flowering
- Shattering
- Competitive Ability
- Control Methods
- Preventive Methods
- Cultural Methods
- Mechanical Methods
- Chemical Methods
- Genetic and Biotechnological Methods
- CONCLUSIONS
- CHAPTER 8 : WEED MANAGEMENT IN CROPS
- RICE
- (i) Rainfed upland Rice
- (ii) Rainfed Low Land Rice
- (iii) Irrigated Ecology
- (a) Weed control Methods in Puddled Rice
- (b) Weed Control in Transplanted Rice
- WHEAT
- Weed Management
- MAIZE
- Major Weeds
- Control Measures
- SORGHUM AND PEARL MILLET
- Major Weeds
- Losses Caused by Weeds
- Control Measures
- SUGARCANE
- Weed Flora
- Weed Management
- POTATO
- Weed Management
- Chemical Method
- COTTON
- Weed Management
- Mechanical Methods
- Chemical Methods
- TOBACCO
- Control
- LEGUME (GRAIN) CROPS
- Major Weeds
- Kharif/summer Season
- Rabi/winter Season
- Critical Period of Weed-crop Competition
- Weed Management Practices
- Cultural
- MECHANICAL METHOD
- Chemical Methods
- OILSEED CROPS
- Cultural and Mechanical Method
- Chemical Method
- Integrated Weed Management
- FORAGE CROPS
- Weed Management Practices
- WEED MANAGEMENT IN VEGETABLES AND SPICES
- CHAPTER 9 : MANAGEMENT OF PROBLEMATIC WEEDS
- BERMUDA GRASS (DOOB GRASS)
- Control
- NUT GRASS (MOTHA)
- Control
- JOHNSON GRASS
- Control
- PARTHENIUM
- Control
- BAISURI (ARROWWOOD)
- Control
- OXALIS (WOOD SORREL)
- Control
- WILD SAFFLOWER
- Control
- JALKUMBHI (WATER HYACINTH)
- Control
- Chemical Control
- Mechanical Control
- Biological Control
- KANS (TIGER GRASS)
- Control
- CIRSIUM ARVENSE (CANADA THISTLE OR KATELI)
- Control
- WITCH WEED (STRIGA)
- Control
- OROBANCHE (BROOM RAPE)
- Control
- CUSCUTA (DODDER)
- Control
- CHAPTER 10 : TERMINOLOGY
- Fill in the Blanks
- Match List
- True/False
- Encircle the Correct Answer
- Common and Trade Name of Herbicides
- Scientific Name of Weeds
- Crop Associated Weeds
- Common Weeds and their Occurance
- Herbicide Recommendation for Weed Control in Different Crops
- backcover
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