Aihe-ehdotuksia
Aihe-ehdotuksia
Biological Control
4
Biological control
4
Chemical control
4
Natural enemies
4
Physical control
Cultural control
3
Environmental Pest Management
3
Pesticides and Drugs; Control, (New March 2000)
3
Taxonomy
3
Taxonomy and Evolution
3
Weed control
3
Weeds
3
Fungal diseases
2
Fungi
2
Genetics
2
Geographical distribution
2
Integrated Pest Management
2
Integrated control
2
Other Control Measures
2
Plant Breeding and Genetics
2
Plant Ecology
2
Plant disease control
2
Plant diseases
2
Plant ecology
2
Plant pathogenic fungi
2
Plant pathogens
2
Viral, Bacterial and Fungal Diseases of Plants, (New March 2000)
2
Weeds and Noxious Plants
2
Adaptation
1
Aetiology
1
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1
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2
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3
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4