chem/bio control
- Created by: dan
- Created on: 09-07-13 11:32
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- pest control
- pests have an undersirable effect on crops/livestock
- reduces yield in produce for farmer, and is a large economic problem
- chemical control
- advantages
- easy application
- quick results and rapid decrease in pest population
- relatively cheap
- can be formulated for specific plants and pests
- disadvantages
- can eradicate beneficial insects
- pests can develop resistance to pesticides
- contaminates food chain. Bioaccumulation
- toxic residue remains
- Herbicides, Pesticides, Insecticides and Fungicides
- advantages
- biological control
- advantages
- long term solution
- pest unlikely to develop resistance
- does not have negative impact on the generally biodiversity of an area
- no chemicals around produce, low risk of contammination of food
- disadvantages
- never eradicates pest
- takes time to become sustainable
- requires better knowledge and more scientific precision
- care must be taken to ensure biological agent doesnt become a pest itself
- extenisve scientific research required
- advantages
- integrated pest management:mix of biological and chemical control
- ensures the population of pest doesn't reach above economic injury level
- pests have an undersirable effect on crops/livestock
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