CBSE Class 9 Answered
Discuss the various methods which are used to control plant diseases .
Asked by jeffladebo | 12 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.
Answered by Sivanand Patnaik | 13 May, 2015, 08:08: AM
Application Videos
Concept Videos
CBSE 9 - Biology
Asked by rashmij34 | 20 Mar, 2024, 04:46: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by bjrathod121 | 18 Jan, 2024, 08:57: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by sanjitabehera859 | 03 Dec, 2023, 09:49: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by febievangeline612 | 30 Dec, 2022, 09:45: AM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by slaxmibai1982 | 13 Mar, 2022, 12:26: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by chhotusingh8279880374 | 02 Apr, 2021, 09:05: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by swatipuspapatel | 19 Nov, 2020, 04:30: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by gulvejayshree | 19 Nov, 2020, 12:04: PM
ANSWERED BY EXPERT
CBSE 9 - Biology
Asked by LikithLikith745 | 16 Jul, 2020, 11:03: AM
ANSWERED BY EXPERT