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3rd International Conference on Plant Science & Physiology

Osaka, Japan

Atul Kumar

Atul Kumar

GB Pant University of Agriculture and Technology, India

Title: An In vitro approach for heat tolerance screening of promising potato cultivars

Biography

Biography: Atul Kumar

Abstract

Potato (Solanum tuberosum L.) is world’s single most important tuber crop which grows in about 150 countries and plays a vital role in global food system. The tubers being highly nutritious with high concentration of energy, high quality proteins, minerals and vitamins are comparable to any other quality products of plant origin like cereals. It is an economically important staple crop for both developed and developing countries. In India, potato is popularly known as ‘The king of vegetables’ and has emerged as fourth most important food crop after rice, wheat and maize. In world scenario, India stands the second largest producer of potato. India produced 42.34 million t from 1.86 million ha with an average yield of 22.72 t/ ha of Potato during 2010-1. Though potato productivity in India (22 tons/ha) is better than world average (16.6 tons/ha) still it stands far lower than that of European countries (e.g. Netherlands=42.4 tons/ha). India is estimated to have a population exceeding 1.3 billion by 2020 and this will require the country to produce about 49-50 million tons of potato. Because of global warming, the global mean air surface temperatures have increased by approximately 0.7°C in the past century, with a projected further rise of 1.1 - 6.4°C by the end of 21st century. Using simulation model-based predictions of global warming over the next 60 years, predicted potato yield losses are predicted to be in the range of 18 to 32%. However, these losses can be reduced to 9-18% with adaptations to production methods, such as terms of planting time and use of heat-tolerant (HT) cultivars. Searching for genotypes resistant to heat within crop species has become increasingly important in view of global warming.