Uses of Radioisotope in Agriculture
- Male insect is sterilised by exposing to radioactive radiation and then released back to the ecosystem.
- This can ensure that their reproducing effort do not generate new generation and hence reduces the population of the insect.
- The metabolism of phosphorus by plants can be studied using phosphate fertilisers that contain phosphorus-32.
- A small amount of phosphorus-32 is used in fertilisers.
- The radiation produced by phosphorus-32decay is detected by a Geiger-Muller counter.
- This method can trace the passage of phosphate ions in plants.
- Carbon-14 is used to study the passage of carbon during photosynthesis in plants.
Develop New Species of Plant
- Radioactive radiation is targeted to the seeds of plants and hence causes mutation to the genes.
- By chance, this may develop some superior agricultural products.
- The gamma rays from cobalt-60 are used to kill bacteria in food to make fresh vegetables and fruits last longer without any change in quality, flavour and texture of food.
- Gamma rays are used to inhibit budding in potatoes.