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The restoration of male fertility in F 1 wheat hybrids
Author(s) -
Done A. A.,
Whittington W. J.
Publication year - 1978
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1978.tb05979.x
Subject(s) - hybrid , biology , fertility , male fertility , cytoplasmic male sterility , agronomy , microbiology and biotechnology , botany , sterility , demography , population , sociology
SUMMARY The yield of F 1 wheat hybrids is often limited by reduced male fertility. Improvement depends upon selecting male and female parents capable of allowing good fertility ‘restoration’ in the F 1 hybrids. Assessment of restoring potential in growth rooms was difficult because fertility was much lower than in field grown plants. In the field, two experiments showed differences between parent lines but also that the fertilities of the F 1 hybrids were site‐specific, and that this factor might be considered during further selection. Variation between reciprocal crosses, possibly due to cytoplasmic differences, rendered a proposed test for the early assessment of fertility restoration capacity amongst potential male‐sterile lines to be of doubtful value with present stocks.