ABSTRACT
Pigeon pea [Cajanus cajan (L.) Millspaugh] is one of the major food legume crops of the tropics and sub-tropics. In India, after chickpea, pigeon pea is the second most important pulse crop. India has largest area under pigeon pea 3.90mha with a total production and productivity of 2.89 mt and 741 kg/ha, respectively (DAC, 2011). Pigeon pea commonly known as red gram or arhar is a very old crop of this country. The chromosome number of pigeon pea is 2n = 22 chromosomes. It is a rich source of protein and supplies a major share of the protein requirement of the vegetarian population of the country.
