Discuss the various methods which are used to control plant diseases .
Asked by jeffladebo
| 12th May, 2015,
04:59: PM
Expert Answer:
Chemical Control:
- Chemicals which control pests such as insects and mites are called pesticides.
- Pesticides used to kill insects are called insecticides.
- Bordeaux mixture can be spread on plants to kill fungal diseases.
- A natural insecticide extracted from neem is useful in controlling pests without any harm to crops and soil.
Biological Control:
- Animals which control pests are reared and released in the farm.
- Adults and larvae of ladybird beetles feed on aphids and their eggs.
- Syrphid fly larvae feed on aphids.
- Ground beetle larvae feed on caterpillars of gypsy moth.
- Chemicals which control pests such as insects and mites are called pesticides.
- Pesticides used to kill insects are called insecticides.
- Bordeaux mixture can be spread on plants to kill fungal diseases.
- A natural insecticide extracted from neem is useful in controlling pests without any harm to crops and soil.
Biological Control:
- Animals which control pests are reared and released in the farm.
- Adults and larvae of ladybird beetles feed on aphids and their eggs.
- Syrphid fly larvae feed on aphids.
- Ground beetle larvae feed on caterpillars of gypsy moth.
Answered by Sivanand Patnaik
| 13th May, 2015,
08:08: AM
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