New breeding technologies successful to grow salt resistant crops

Staff Reporter

Islamabad

Prof Mark Tester, a world renowned authority on Food security on Thursday said new technologies of breeding crops would be helpful to convert any crop become salt resistant to control scarcity of food globally.
“Through this new technique any crop would be made salt resistant through genetic engineering”, he said
Speaking as a guest speaker at COMSTECH, on “Advances in Increasing the Salinity Tolerance of Crops”, he explained the ways to counter the twin challenges of meeting food requirements of a rapidly growing world population and limited availability of fresh water are being addressed.
Prof. Tester’s research group on Salinity at the King Abdul Aziz University of Science and Technology (KAUST) in Saudi Arabia is actively addressing this serious problem by using the science of Genomics to identify the genes that enable plants to survive in saline conditions, said a news release.
These genes are then incorporated within existing plant varieties such as barley, tomatoes etc. to develop new crop varieties that can flourish in stressful, saline conditions.
He explained that an immediate application of this technology is that sea water or brackish water that constitutes 97 percent of the world’s water resources can be utilized for agriculture thereby satisfying the food demands of countries like Pakistan that have rapidly depleting fresh water resources.
According to a 2008 report, crop yield losses in Pakistan due to water-logging and salinity are estimated to be over Rs880 million ($28.5 million) per annum, while total annual economic damage is estimated at $300 million.
Hence addressing the problem of salinity is crucial for ensuring food security, he shared.
Prof. Tester also described other parallel efforts whereby existing saline resistant wild plants are being modified to make them suitable for food consumption.
Prof. Mark Tester has an ongoing collaboration in this area with scientists at Pakistan’s National Institute for Biotechnology and Genetic Engineering (NIBGE) and he complimented their efforts in developing 254 transgenic wheat varieties using the techniques pioneered by Prof. Tester’s team.
Prof. Tester was introduced by Dr. Yusuf Zafar, the Chairman of Pakistan Agricultural Research Council (PARC), who lauded his passion and commitment for unlocking sea water for agriculture by developing a new economically viable agricultural system.

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