Science & TechnologyAgricultureEnvironment & Ecology
New Genetic Tools and Apomixis Transforming India's Staple Crops
Advances in science, physiology, and host-pathogen interactions are opening new possibilities for India's staple crops like rice and wheat. New genetic tools like gene editing and apomixis are helping develop crops that give higher, more stable yields, resist climate stress, and reduce chemical dependence. While public institutions like ICAR and IARI are creating improved lines, private companies are developing foundation seeds. Examples include Pusa DST Rice-1 and HB4 wheat. However, challenges like anti-GMO sentiment, regulatory hurdles, and the need for rigorous safety evaluations remain crucial for balancing innovation with biodiversity.
Key Points
- Gene editing and apomixis are revolutionizing the development of resilient and high-yielding crop varieties.
- Apomixis allows plants to produce seeds without sexual reproduction, passing desirable traits to the next generation.
- Public-private collaboration is playing a vital role in creating improved lines for key traits like heat tolerance and nutrient use.
- Challenges such as anti-GMO sentiment and rigorous regulatory evaluations must be addressed for sustainable adoption.
Exam Facts
- Pusa DST Rice-1 develops more grains per panicle and tolerance to heat, drought, salinity, and alkaline soils.
- HB4 wheat is developed using a gene from sunflower to help plants tolerate drought.
- Apomixis enables plants to reproduce without sexual reproduction, transferring desirable traits to future generations.
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