Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 6:296-297 (1966)
© 1966 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Pollen and Anther Development in Cytoplasmic Male Sterile Wheat, (Triticum aestivum L.)1

L. R. Joppa, F. H. McNeal and J. R. Welsh2

Microgametogenesis was compared in anthers of fertile and cytoplasmic male sterile winter wheat. Tapetal cells formed less starch and persisted longer in male sterile than in fertile anthers. Meiosis in pollen mother cells of sterile anthers was normal, but little or no starch was observed in the mature pollen. We suggest that male sterility in wheat may be caused by vascular deficiencies in the stamen.

1 Joint contribution Montana Agricultural Experiment Station and Crops Research Division, ARS, USDA. Published with approval of the Director as Paper No. 720, Journal Series, Montana Agricultural Experiment Station, Bozeman.

2 Research Assistant, Plant and Soil Science Department, Montana State University; Agronomist, Crops Research Division, ARS, US.DA; and Assistant Agronomist, Plant and Soil Science Department, Montana State University, respectively.

Received for publication November 1, 1965.




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