Genetic variability study in F2 population of tetraploid dicoccum wheat crosses

The aim of the present investigation was to estimate the genetic variability parameters in Wheat (Triticum dicoccum) F2 population of the cross DDK1025 X ML-1. The traits involved in study were grain yield, threshability, rachis percent and other yield contributing traits such as tiller number, number of grains per spike, number of spikelet’s per spike, etc. and the genetic variability parameters estimated are mean, range, Phenotypic coefficient of variation (PCV), Genotypic coefficient of variation (GCV), heritability and genetic advance over mean. The results obtained from the study reveals higher mean and wider range for all the traits especially for plant height, tiller number, spikelets per spike, number of grains per spikelet, spike length, grain yield per plant, threshability and rachis. High degree of PCV with moderate GCV was observed for the traits like number of tiller per plant (20.96 PCV and 15.96 GCV), number of grains per spike (21.92 PCV and 18.79 GCV), rachis % (22.5 PCV and 19.10 GCV) and grain yield per plant (20.07 PCV and 18.10) . Heritability and genetic advance was recorded to high for all the traits in both the populations. On the basis of an overall consideration of the genetic variability parameters it may be concluded that F2 population of the cross, DDK-1025 x ML-1 have the potential source for improving the yield and its associated traits and also offering some scope in altering the plant height

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Not AvailableClassical swine fever virus is the eminently infectious viral disease of pigs and has wide ranging all over the world. It causes severe economic harm to the entire pig industry globally. The CSFV genome encodes a single large polypeptide which undergoes co- and post-translational modifications to produce four structural (C, Erns, E1, E2) and eight non-structural proteins (Npro, p7, NS2, NS3, NS4A, NS4B, NS5A, and NS5B). The CSFV viral proteins are the main virulent factors and involved in virus adsorption, induction of protective immunity, virus spreading, virus-host interactions, gene regulation and expression and pathogenesis. CSFV viral proteins can be used to develop recombinant vaccines against CSFV. In this review, the current knowledge regarding the role of both structural and non-structural glycoproteins are responsible for the CSFV virulence is discussed.Not Availabl