Everything you need to need about breeding for disease and insect resistance ! Q. 1. What is disease? Ans. In crop plants, various disorders caused by pathogens are called disease. Q. 2. What is pathogen? Ans. Various disease causing organisms such as fungi, bacteria, viruses and mycoplasma refer to pathogen. Q. 3. What is pathogenicity? Ans. Ability of a pathogen [...]
Everything you need to know about seed production techniques ! Q. 1. What is seed? Ans. In broad sense, any plant part which is used for commercial multiplication of a crop is called seed. In strict sense, the product of fertilized ovule which consists of embryo, seed coat and cotyledon(s) is known as seed. Q. 2. What is variety? Ans. [...]
Everything you need to know about self-incompatibility and male sterility in plants ! Q. 1. What is self incompatibility? Ans. The inability of a plant with functional pollen to set seeds when self pollinated is called self incompatibility. Self incompatibility is classified into two groups, viz. heteromorphic system and homomorphic system. Q. 2. Who coined the term self incompatibility? Ans. [...]