European Journal of Biomedical and Pharmaceutical Sciences

ASSESSMENT OF GENETIC ENHANCEMENT OF RICE GERMPLASM AND ITS LENIENCE TO DROUGHT BY USING MOLECULAR MARKER

Saurav Ghosh, Pulak Das* and Dilendra Chandraker

ABSTRACT

Abiotic stress such as drought is considered as a natural phenomenon which is a cumulative effect of hydrological, climatic and environmental factors which impacts insufficient precipitation for agriculture yield over prolonged duration. It has great impact on productivity, growth rate and yield of the crops. The severity of this stress is matter of concern because of its extensive impacts on its nutritional value as well as pushing the framers prone to miserable economic condition. Latest technological development molecular breeding register a significant role in developing crop varieties and hybrids those are tolerant to environmental aberrations. Genetic diversity plays a crucial role within the success of any breeding program. Knowledge of genetic diversity in on the germplasm and genotypes is helpful for plant improvement in different stress conditions. This study is based on genetic enhancement of rice germplasm and its lenience to drought by using molecular markers. 6 different rice germplasm was used and different ISSR & RAPD markers were used to find out the drought tolerant gene. The unique band of size 770bp was eluted and confirmed that it is drought tolerant. Understanding molecular mechanisms are important for development of suitable varieties/ hybrids of rice combating ill effects of abiotic stresses. KEYWORDS: Abiotic stress, drought, molecular markers, genetic diversity.

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