Plant Disease Diagnosis and Management contd
- Diseases Caused by Abiotic (Nonliving, Nonparasitic, or
- Agents 6
- High or Low Temperatures 6
- High or Low Soil Moisture 6
- High or Low Light Intensity 6
- Lack Aeration or Low Oxygen Supply 6
- Air Pollution 6
- Nutrient Deficiencies 7
- Mineral Toxicity 7
- Unfavorable Soil pH 7 I. Pesticide Toxicity 7 J. Improper Cultural Practices 7
- Diagnosing Plant Disease Problems 7
- Why Is Diagnosis Important? 7
- Basic Steps in Reaching a Diagnosis 8
- Principles of Plant Disease Control 9
- Exclusion of the Pathogen 9
- Eradication or Reduction of the Pathogen Population 9
- Use of Disease-Resistant Cultivars 10
- Chemical Protection of Plant 10
- Biological Control 11
- Integrated Disease Management 11 VII. Plant Disease Terms 11
Further Reading 13
|
Weeds |
13 | |
|
I. |
Introduction |
2 |
|
II. |
Weed Biology and Classification |
2 |
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A. Annual Weeds |
3 | |
|
B. Biennial Weeds |
3 | |
|
3 | ||
|
III. |
Identification |
4 |
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A. Flower |
4 | |
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B. Leaves and Stem |
4 | |
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C. Weed Structure |
4 | |
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D. Roots |
4 | |
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IV. |
Weed Control Methods |
4 |
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A. Prevention |
4 | |
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B. Biological Control |
5 | |
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C. Cultural Control |
5 | |
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D. Mulches |
6 | |
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E. Mechanical Control |
7 | |
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F. Chemical Control |
8 | |
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V. |
Herbicide Application Equipment |
10 |
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A. Hand Spray Bottles |
10 | |
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B. Hose-End Sprayers |
10 | |
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C. Compressed Air Canister | ||
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Sprayers |
10 | |
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D. Backpack Sprayers |
10 | |
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E. Power Sprayers |
10 | |
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F. Wick-Wipers |
11 | |
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G. Granular Applicators |
11 | |
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VI. |
Sprayer Calibration |
11 |
|
A. Calculating Your Sprayer |
11 | |
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B. Granular Applicators |
12 | |
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VII. |
Tree Stump Removal |
12 |
|
A. Mechanical Removal |
12 | |
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B. Chemical Removal |
12 | |
|
VIII. |
Noxious Weeds |
13 |
|
Further Reading |
13 | |
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