Weed Control, 1. Fundamentals
Abstract
The article contains sections titled:
1. |
Introduction |
1.1. |
Definitions of Weeds |
1.2. |
Losses from Weeds |
2. |
Biology of Weeds |
2.1. |
Plant Types |
2.1.1. |
Land Plants |
2.1.2. |
Aquatic Plants |
2.1.3. |
Parasitic Seed Plants |
2.2. |
Life Cycles |
2.2.1. |
Annuals |
2.2.2. |
Biennials |
2.2.3. |
Perennials |
2.3. |
Reproduction |
2.4. |
Interference Between Crops and Weeds |
2.4.1. |
Competition |
2.4.2. |
Allelopathy |
2.5. |
Biological Variability and Adaptability in Relation to Control Systems |
2.5.1. |
Species Shifts |
2.5.2. |
Resistance Development within a Species |
3. |
General Concepts Underlying Weed Control |
4. |
Physical Methods of Weed Control |
4.1. |
Manual Methods |
4.2. |
Tillage Methods |
4.3. |
Mowing and Cutting |
4.4. |
Flooding |
4.5. |
Mulching |
4.6. |
Use of Heat |
5. |
Biological Control of Weeds |
5.1. |
Herbivore Management |
5.2. |
Classical Biological Control |
5.3. |
Inundative Biological Control |
6. |
Controlling Weeds by Habitat Management |
7. |
Chemical Control of Weeds |
7.1. |
History and Introduction |
7.2. |
Adjuvants |
7.2.1. |
Surfactants |
7.2.2. |
Oils |
7.2.3. |
Drift Retardants |
7.2.4. |
Other Adjuvants |
7.3. |
Herbicide Formulations |
7.3.1. |
Spray Formulations |
7.3.1.1. |
Soluble Concentrates (SC) |
7.3.1.2. |
Emulsifiable Concentrates (EC) |
7.3.1.3. |
Wettable Powders (WP) |
7.3.1.4. |
Flowables (F) |
7.3.1.5. |
Dispersible Granules or Dry Flowables (DF) |
7.3.1.6. |
Invert Emulsions |
7.3.1.7. |
Encapsulated Formulations |
7.3.2. |
Formulations Applied Dry |
7.3.3. |
Active Ingredient vs. Acid Equivalent |
7.4. |
Factors Influencing Foliage-Applied Herbicides |
7.5. |
Factors Influencing Soil-Applied Herbicides |
7.5.1. |
Microbiological Effects |
7.5.2. |
Adsorption on Soil Colloids |
7.5.3. |
Chemical Decomposition |
7.5.4. |
Leaching |
7.5.5. |
Volatilization |
7.5.6. |
Photodecomposition |
7.5.7. |
Uptake and Translocation from the Soil |
7.6. |
Selective Action of Herbicides |
7.7. |
Classification of Herbicides |
8. |
Economic Aspects |
9. |
Regulatory Aspects of Pesticides |
10. |
General Comments |