WebThe production of a hybrid corn variety involves three steps: (1) the selection of superior plants; (2) selfing for several generations to produce a series of inbred lines, which although different from each other are each pure-breeding and highly uniform; and (3) crossing selected inbred lines. WebPolyploidy is often accompanied with formation of improved varieties, developing sterile …

The polyploidy and its key role in plant breeding

Web16 May 2011 · Applications of Polyploidy 1. Study of adaptive evolution among polyploids … WebPolyploidy, euploids and aneuploids. Mutations – and their role in crop improvement. Heritability, sterility and incompatibility, classification and their application in crop improvement. Cytoplasmic inheritance, sex-linked, sex-influenced and sex-limited characters. History of plant breeding. Modes of reproduction, selfing and crossing … barmm museum

Polyploidy in relation to plant breeding - Agri learner

WebPolyploidy is a major force in the evolution of both wild and cultivated plants. Polyploid … http://ecoursesonline.iasri.res.in/mod/page/view.php?id=7950 WebCrop improvement efforts have concentrated mainly on improving quality traits, mainly sugar content. This being a complex trait, involves a large number of target genes in the metabolic pathway. The complex polyploid nature of the crop makes it more difficult to pin point the key players in this complex pathway. Despite its importance, suzuki j20a engine for sale