Everything you need to know about breeding for drought and salinity resistance ! Q. 1. What is stress? Ans. Stress refers to adverse conditions for crop growth and production imposed by either biotic or abiotic factors. Q. 2. What are biotic factors? Ans. Living organisms such as diseases, insects and parasitic weeds which cause stress conditions for crop growth and [...]
Everything you need to know about apomixis in plant breeding! Q.1. What is apomixis? Give its main features. Ans. The term apomixis was first used by Winkler in 1906. Apomixis refers to the development of seed without fertilization. In other words it does not involve sexual fusion for development of seed. It differs from amphimixis which involves union of male [...]
Everything you need to know about the hybridization method used in plant breeding ! Q. 1. What are breeding methods involving hybridization? Ans. The following breeding methods involve hybridization: (i) Pedigree breeding method. (ii) Bulk breeding method. (iii) Single seed descent method. (iv) Heterosis breeding, and (v) Population improvement approaches. Q. 2. What are uses of hybridization? Ans. Hybridization is [...]