Abstract
A total of 50 hybrids was generated by Line x Tester mating design using ten lines and five testers of sweet corn. These hybrids along with parents and checks were evaluated at TNAU, Coimbatore during Kharif-2015. Genotypes were significantly different for all the traits under study. Green cob yield was found to have positive significant correlation with number of kernel rows per cob , plant height, green cob weight, total chlorophyll content, cob length, cob breadth, 100 seed weight, number of kernels per row indicating that indirect selection for yield through these traits will be effective. Green cob yield had no significant correlation with total sugar content of kernels indicating the scope of developing high yielding hybrids with high sugar content. Traits viz., tassel branching, green cob weight, number of kernels per row, green cob yield, 100 seed weight, reducing sugar, non reducing sugar, photosynthetic efficiency, stomatal conductance and total chlorophyll content recorded high genetic advance as per cent of mean coupled with high heritability thus providing maximum opportunity for improvement and genetic gain through selection of these traits.
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Claims 4
Claim · model-written summary
Genotypes differed significantly across all studied traits.
Verbatim
e0“Genotypes were significantly different for all the traits under study.”
t0“Sweet Corn”
Claim · model-written summary
Green cob yield correlated positively and significantly with eight listed yield traits.
Verbatim
e0“Green cob yield was found to have positive significant correlation with number of kernel rows per cob , plant height, green cob weight, total chlorophyll content, cob length, cob breadth, 100 seed weight, number of kernels per row”
t0“Sweet Corn”
Claim · model-written summary
Green cob yield had no significant correlation with kernel total sugar content.
- Taxon
- Sweet Cornt0
- Organ / stage
- kernelse0
- Outcome
- Green cob yielde0
- Qualifier
- total sugar content of kernelse0
Not reportedDirection
Verbatim
e0“Green cob yield had no significant correlation with total sugar content of kernels”
t0“Sweet Corn”
Claim · model-written summary
Ten listed traits showed high genetic advance as percent of mean together with high heritability.
- Taxon
- Sweet Cornt0
- Outcome
- genetic advance as per cent of mean coupled with high heritabilitye0
- Direction
- highe0
- Qualifier
- tassel branching, green cob weight, number of kernels per row, green cob yield, 100 seed weight, reducing sugar, non reducing sugar, photosynthetic efficiency, stomatal conductance and total chlorophyll contente0
Verbatim
e0“Traits viz., tassel branching, green cob weight, number of kernels per row, green cob yield, 100 seed weight, reducing sugar, non reducing sugar, photosynthetic efficiency, stomatal conductance and total chlorophyll content recorded high genetic advance as per cent of mean coupled with high heritability”
t0“Sweet Corn”