Agricultural Science Digest

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Agricultural Science Digest, volume 37 issue 1 (march 2017) : 42-45

Evaluation of quality protein maize crosses through line X tester analysis for grain yield and quality traits 

Preeti Sharma*1, M. S. Punia1, M. C. Kamboj2, Narender Singh2, Mehar Chand2
1<p>Department of Genetics &amp; Plant Breeding,&nbsp;CCS Haryana Agricultural University, Hisar-125 004, India.</p>
Cite article:- Sharma*1 Preeti, Punia1 S. M., Kamboj2 C. M., Singh2 Narender, Chand2 Mehar (2017). Evaluation of quality protein maize crosses through line X testeranalysis for grain yield and quality traits . Agricultural Science Digest. 37(1): 42-45. doi: 10.18805/asd.v0iOF.7331.

A set of eighty one genotypes comprising sixty three newly developed single cross quality protein maize hybrids produced by 9 lines x 7 testers crosses along with sixteen parental inbred lines and two standard checks were evaluated for genetic variability, broad sense heritability and genetic advance at CCS, Haryana Agricultural University, Regional Research Station, Karnal, during kharif 2014. Highly significant values of mean sum of squares due to genotypes for all the 17characters studied could be recorded. Close correspondence between GCV and PCV was observed for all the traits except number of cobs per plant and cob diameter. The characters viz., number of grains per cob, tryptophan content, lysine content and grain yield per plant were recorded high estimates of heritability and genetic advance as per cent of mean indicating them to be controlled by additive genes. 

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