GENETIC DIVERSITY ASSAY OF THE LOCAL WHEAT VARIETIES AND CHINESE CROSSES FOR YIELD LINKED ATTRIBUTES UNDER LOCAL CONDITIONS

S MEHBOOB; M KASHIF; MN KHALID; I AMJAD

doi:10.54112/bbasr.v2020i1.19

Authors

S MEHBOOB Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan
M KASHIF Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan
MN KHALID Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan
I AMJAD Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan

DOI:

https://doi.org/10.54112/bbasr.v2020i1.19

Keywords:

segregating population, wheat, qualitative traits, heterosis, grain yield

Abstract

To start a breeding strategy, breeder should make a selection of superior plants with the help of superior morphological characteristics in a segregating population. The breeder should have the knowledge about alleles with associated characters to yield and their inheritance pattern from one generation to another. The breeder should have the ability to choose the superior plant by phenotypically because phenotype is a true representative of genotype. The qualitative characters can be select on the base of the phenotype because these characters are controlled by one genes but phenotypic selection not reliable for quantitative characters because quantitative traits are controlled by more than one gene and environmental factors have great effect on them. For this purpose the nine crosses that were produced by the cross combination of four parental lines (XJ-22, XJ-23, XJ-24, XJ-25) previous year to study morphological parameters like plant height, length of spike, peduncle length, grains per spike, spikelets per spike, spike density, grain yield per spike, 1000-grain weight, tillers per plant and yield per plant.

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