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Published in Crop Sci 7:482-484 (1967)
© 1967 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Pollen Dispersal and Cross-Pollination of Soft Red Winter Wheat (Triticum aestivum L.)1

Morris J. Bitzer and Fred L. Patterson2

Hand emasculated wheat spikes left exposed to wind borne pollen and vaseline-coated slides were used to measure pollen dispersal and seed set on several females under conditions of high and limited pollen loads. Seed set was directly related to wind-borne pollen load. Some females were quite superior in the ability to set seed from wind-borne pollen. About 4 or 5 days of good pollen load were required for maximum seed set. Timing of the female exactly with pollinator generally gave the maximum seed set.

Key Words: female receptivity • hybrid wheat • pollen collection • seed set • wind pollination

1 Contribution from the Purdue University Agricultural Experiment Station, Lafayette, Ind. Part of the data are from a thesis submitted by the senior author in partial fulfillment of the requirements for the M. S. degree at Purdue University. Journal Paper No. 3022.

2 Graduate Instructor and Professor, Department of Agronomy.

Received for publication February 21, 1967.


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