3) Complete the following concept map.
Crop Biotechnology
Biofertilizers
Genetically
Modified crops
Herbicide
tolerant
plants
Rhizobium
Azetobacter
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Concept map.
Explanation:
- Crop biotechnology- area of agricultural science involving use of scientific tools and techniques, genetic engineering , molecular markers, molecular diagnostics.
- Biofertilizers- Substances that contains microbes, which help in growth of plants by increasing the supply of essential nutrients to the plants.
- Genetically modified crops- these are plants used in agriculture, their DNA has been modified using methods of biotechnology.
- herbicide tolerant plants- these plants has the inherited ability to survive on exposure to a dose of herbicide that would be harmful to other plants.
- Rhizobium- soil bacteria belonging to genus rhizobium induce symbiotic nitrogen fixing noduleson roots of leguminous plants.
- Azetobacter- free living nitrogen fixing bacteria, they normally fix molecular nitrogen from atmosphere without symbiotic relations with plants.
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