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Genetika  2010 

The plus-hybrid effect on the grain yield of two ZP maize hybrids

DOI: 10.2298/gensr1003475b

Keywords: cytoplasmic male sterility , maize , plus-hybrid effect , xenia

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Abstract:

The combined effect of cytoplasmic male sterility and xenia on maize hybrid traits is referred to as the plus-hybrid effect. Two studied ZP hybrids differently responded to this effect for grain yield. All plus-hybrid combinations of the firstly observed hybrid had a higher yield than their fertile counterparts, but not significantly, while only one combination of the second hybrid positively responded, also without statistical significance. It seems that the observed effect mostly depended on the genotype of the female component.

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