Genetic variability of barley germplasm (Hordeum vulgare) for spot blotch disease resistance in natural and artificial epiphytotic condition
Spot blotch is having a severe impact on barley per se performance; therefore an experiment was conducted during rabi season 2016-17 at, Banaras Hindu University, Varanasi (also known as hot spot for spot blotch) in natural and artificial ephiphytotic condition, in order to find out genetic variability existing among released varieties of barley for disease resistance under consideration. The finding of this investigation showed that spot blotch resistant components and all the yield related traits showed a highly significant difference. Therefore efforts have been made to screen these varieties to find out the disease reaction based on the area under disease progress curve (AUDPC) and which will be available to research domain for further utilization in trait specific crop breeding. The study showed that without sacrificing the grain yield, variety HUB 113 was found to be resistant to this hot spot. It has the genetic capability to restrict the pathogen in order to maximize the yield level.
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