137641
Description
Mind Map by janmart.tenedora, updated more than 1 year ago
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Created by janmart.tenedora
almost 11 years ago
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BT cotton
- Genetically engineered
- form of cotton
- form of cotton
- Advantage of biotech
in agrculture
- Increases productivity
- Increases productivity
- Development
- insertion of synthetic version of gene
- from bacterium
- Bacillus thuringiensis
- Bacillus thuringiensis
- Into cotton
- Induces the plant
- to produce own Bt toxins
- destroys pest e.g. bollworn
- destroys pest e.g. bollworn
- to produce own Bt toxins
- Induces the plant
- Causes production of Bt toxin
- in all parts of plant
- During life span
- in all parts of plant
- from bacterium
- insertion of synthetic version of gene
- Advantages and
disadvantages
- Cons
- financial damage to traditional
farmers
- Risk of crossbreeding
with native plants
- Reduced variation, increased
susceptability to disaster
- Doesn't always work
- Some insects are unaffected
- aphids
- requires more pesticides
- aphids
- wastes valuable money and time
- Indian farmers heavily reliant on its
success for survival
- Crop failure may often
result in farmer suicide
- Crop failure may often
result in farmer suicide
- Indian farmers heavily reliant on its
success for survival
- Some insects are unaffected
- financial damage to traditional
farmers
- Pros
- Lower risk of poisoning ppl who
work with pesticides
- Less danger to wildlife and environment
- Fewer pesticides
therefore lower costs
- Lower risk of poisoning ppl who
work with pesticides
- Cons
- Without Bt?
- Reliance on pesticides
- More susceptible to pests
- lepidopteran larvae
- Cotton Harlequin bug
- lepidopteran larvae
- natural process
- planted (natural or machine)
- in good soil moisture
- warm temperature
- warm temperature
- usually a week to emerge
- occasionally disease
sets in
- Delays seed's appearance
- Crust may also interfere
- must be broken via irrigation
or machine
- must be broken via irrigation
or machine
- Delays seed's appearance
- in good soil moisture
- planted (natural or machine)
- Reliance on pesticides
- Bt stands for Bacillus
thuringiensis
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