Parental contribution and coefficient of coancestry among maize inbreds: pedigree, RFLP, and SSR data

R. Bernardo; J. Romero-Severson; J. Ziegle; J. Hauser; L. Joe; G. Hookstra; R. W. Doerge

doi:10.1007/s001220050072

Parental contribution and coefficient of coancestry among maize inbreds: pedigree, RFLP, and SSR data

Theoretical and Applied Genetics ◽

10.1007/s001220050072 ◽

2000 ◽

Vol 100 (3-4) ◽

pp. 552-556 ◽

Cited By ~ 2

Author(s):

R. Bernardo ◽

J. Romero-Severson ◽

J. Ziegle ◽

J. Hauser ◽

L. Joe ◽

...

Keyword(s):

Parental Contribution ◽

Maize Inbreds ◽

Coefficient Of Coancestry

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Parental contribution and coefficient of coancestry among maize inbreds: pedigree, RFLP, and SSR data

Theoretical and Applied Genetics ◽

10.1007/s001229900080 ◽

2000 ◽

Vol 100 (3-4) ◽

pp. 552-556

Author(s):

R. Bernardo ◽

J. Romero-Severson ◽

J. Hauser ◽

R. W. Doerge ◽

G. Hookstra ◽

...

Keyword(s):

Parental Contribution ◽

Maize Inbreds ◽

Coefficient Of Coancestry

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RFLP-based estimates of parental contribution to F2- and BC1-derived maize inbreds

Theoretical and Applied Genetics ◽

10.1007/s001220050462 ◽

1997 ◽

Vol 94 (5) ◽

pp. 652-656 ◽

Cited By ~ 9

Author(s):

R. Bernardo ◽

A. Murigneux ◽

J. P. Maisonneuve ◽

C. Johnsson ◽

Z. Karaman

Keyword(s):

Parental Contribution ◽

Maize Inbreds

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G × E interaction studies in relation to heterosis and stability of grain yield in maize (Zea mays L.)

Indian Journal of Genetics and Plant Breeding (The) ◽

10.31742/ijgpb.80.3.3 ◽

2020 ◽

Vol 80 (03) ◽

Author(s):

K. Sumalini ◽

T. Pradeep ◽

D. Sravani

Keyword(s):

Grain Yield ◽

Zea Mays L ◽

Yield Stability ◽

Superior Performance ◽

Dominant Effect ◽

Stability Parameters ◽

Hybrid Classes ◽

Maize Inbreds ◽

Comparative Stability ◽

Potential Use

Interaction of homozygous inbreds and heterozygous single, three way and double crosses with environment had shown a differential response in achieving yield stability. Seven diverse maize inbreds, their 21 single crosses and 105 each of three way and double crosses obtained through diallel were evaluated for twelve characters across three diverse locations to estimate comparative stability of homozygous and heterozygous genotypes for grain yield. Contrasts in heterobeltiosis, combining ability and stability parameters in three environments and interaction effects were observed. Gain in heterobeltiosis (%) for grain yield was observed with decreased environmental quality in different hybrid classes suggesting that heterozygous hybrids are more stable due to individual buffering in single crosses and both individual and population buffering in case of three way and double crosses. Significant increase in SCA effects was observed in moderate environment at Hyderabad rather than at high yielding environment Palem. Significant G × E and Environment (linear) in all the crosses was observed for grain yield suggesting the effect of environment and its pre dominant effect on grain yield. Stability of hybrids was attributed to their superior performance over the parents in low yielding environment. Thus the potential use of selected heterozygous hybrids would allow under diverse environments is suggested to mitigate losses arising out of climate change.

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