Preprint Review Version 1 This version is not peer-reviewed

The Impact of Climate Change and Global Warming on Utilization of Crop Genetic Resources

Version 1 : Received: 13 July 2020 / Approved: 15 July 2020 / Online: 15 July 2020 (11:21:07 CEST)

How to cite: Damania, A.B. The Impact of Climate Change and Global Warming on Utilization of Crop Genetic Resources. Preprints 2020, 2020070333 (doi: 10.20944/preprints202007.0333.v1). Damania, A.B. The Impact of Climate Change and Global Warming on Utilization of Crop Genetic Resources. Preprints 2020, 2020070333 (doi: 10.20944/preprints202007.0333.v1).

Abstract

Abstract: A large number of collecting expeditions were launched in regions of ‘centers of diversity’ and hundreds of thousands of sample have been collected and stored in gene banks as ‘genetic resources’. So far, only a small number of the samples have been evaluated for their biotic and abiotic stress tolerance. Now, their time to become useful has come. A new global phenomenon has arisen – climate change. The crop genetic resources and their wild progenitors that have survived countless years of changing environment during the last 11,000 years could harbor genes that may be useful under the new growing conditions and environmental factors thrown up by climate change and global warming. With the deployment of modern bio-engineering techniques selected genes or gene fragments can be transferred from genetic resources to modern varieties of crop plants to make them well-prepared to mitigate the effects of global warming and climate change. The latter is the most serious issue facing plant breeders today. New pests and diseases could affect crop production. These review paper discusses various impacts and issues as a result of this phenomenon and suggest ways to safeguard our most important crops through better management of crop plant genetic resources in the near future.

Subject Areas

Abiotic stress; Biotic stress; Adaptation; Climate change; Diaseases; Diversity; Genetic Resources; Gene bank; Wild relatives

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