TAILIEUCHUNG - Wheat stem rust race Ug99: A shifting enemy

Since, time immemorial wheat stem rust has been one of the major threats to wheat cultivation all around the world. Owing to the alarming rate at which Puccinia graminis tritici, evolves and mutates, the popularly grown wheat varieties remain at constant stake of losing their resistance to it. Since, wheat is the second most important crop in the world, a constant threat hovers over the global food security too. To make situation worse, a novel race of stem rust pathogen, Ug99 has evolved, popularly known as, shifting enemy of wheat‟ due to its rapid migration rate. | 2018 7 1 1262-1266 EXCELLENT PUBLISHERS International Journal of Current Microbiology and Applied Sciences ISSN 2319-7706 Volume 7 Number 01 2018 Journal homepage http Review Article https Wheat Stem Rust Race Ug99 A Shifting Enemy Ambika Rautela and Meenakshi Dwivedi Gobi id Ballabh Pant University of Agriculture and Technology Pantnagar Udham Singh Nagar Uttarakhand- 263145 India Corresponding author ABSTRACT Keywords Wheat Black stem rust Ug99 Article Info Accepted 12 December 2017 Available Online 10 January 2018 Since time immemorial wheat stem rust has been one of the major threats to wheat cultivation all around the world. Owing to the alarming rate at which Puccinia graminis tritici evolves and mutates the popularly grown wheat varieties remain at constant stake of losing their resistance to it. Since wheat is the second most important crop in the world a constant threat hovers over the global food security too. To make situation worse a novel race of stem rust pathogen Ug99 has evolved popularly known as shifting enemy of wheat due to its rapid migration rate. Researchers have already anticipated Ug99 as the greatest of threats ever faced by wheat cultivation as it has the potential of breaking the strongest of resistant genes like Sr31. Since the race hasn t spread into many area we still stand a chance of killing it in its crib. A plethora of initiatives and strategies have been taken globally of which BGRI is the most prominent one. This horror has to be dealt with brotherhood among whole scientific fraternity and stringent regulatory measures from the governments together with immense trust of farmers on the system. Introduction Pressures on food security across the globe are being made worse by plant diseases that are emerging more frequently and spreading very rapidly. This is a situation fuelled by climate change in increasingly fragile ecosystem. Our planet earth is .

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