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Pollen Production of Fertility Restored Lines of Soft Red Winter Wheats 1
Author(s) -
Johnson J. W.,
Patterson F. L.
Publication year - 1973
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1973.0011183x001300010029x
Subject(s) - pollen , biology , cultivar , stamen , cytoplasmic male sterility , botany , cytoplasm , ploidy , greenhouse , horticulture , agronomy , sterility , gene , genetics
Pollen production and seed set were compared for cultivars and derived homozygous pollinator “R” lines with cytoplasm and genetic restorers from Triticum timopheevi . Pollen production and anther extrusion were determined in the laboratory on excised spikes from greenhouse and field‐grown plants. Some restored “R” lines were as good as their parent cultivars for pollen dispersal. In diverse controlled environments restored “R” lines were somewhat more sensitive to temperature and photoperiod than were normal cultivars. Apparently “R” lines developed with T. timopheevi cytoplasm will be satisfactory for most environments.