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 evolution of crops ! Q.1. What is evolution? Ans. A divergent process which increases genetic diversity and leads to change in allelic frequencies in a population is known as evolution. In other words, a process which leads to significant deviation in the characteristic features of existing individuals as compared to their pre-existing individuals is [...]
Everything you need to know about modes of reproduction and mating systems in crop plants ! Q. 1. What is reproduction? Ans. The process by which living organisms give rise to the offspring of similar kind (species) is called reproduction. In crop plants the mode of reproduction is of following two types: (i) Asexual reproduction: It refers to multiplication of [...]