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Yield is economically most important and most complex polygenic trait. To meet the todays challenges new genotypes of wheat are being evaluated by continued genetic recombination. Efforts to improve wheat plant have been made at various plant characters. Yield component breeding and modification of the plant architecture offer possibilities to develop more efficient breeding systems for increased grain yield.Therefore, the present studies were designed the genetic behavior of some polygenic (Morpho-physiological) characters of spring wheat were brought under consideration in order to...

Cotton is the most important fiber crop of world which supports the economy of several countries. Its seed oil is also an important source of edible oil used for cooking purpose. Cotton plant is damaged by a number of insect pests which not only reduce its yield but also impairs its quality as well. Insects evolve very rapidly with the passage of time and new races develop which is a very serious threat to cotton production and a big challenge for cotton breeders. To cope with this challenge it is inevitable to develop insect resistant varieties using modern breeding techniques. Marker...