Abstract
1. Abstract Pea ( Pisum sativum L.) is one of the earliest domesticated cool season annual legume crop produced worldwide, mainly in temperate regions. In common with other grain legumes, pea plays an important role in food and nutritional security of humans as well as livestock. Pea is an annual plant which exhibits mainly self-pollination, although cross pollination through insects also occurs in nature. The improvement of pea through plant breeding requires considerable genetic variations in the key quantitative traits and the expression of those polygenic traits also depends on the environmental interactions. Therefore, UV irradiations have been employed in the present study to assess the genotypic sensitivity of the pea cultivar for possible application in mutation breeding of pea. Seed germination and seedling growth at different duration of exposures were calculated for estimating the effect of UV irradiations stress on pea. The findings of the present study conclude that the UV irradiation can be useful as non-ionizing physical mutagen for induction of selectable macromutations in local pea cultivars and the exposure to the increasing UV stress in the nature will be detrimental for the crop productions.
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