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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D1015-10

Heat-tolerant cotton flower. (Compare to heat-sensitive/heat-sterile flower in D1016-2.) The heat-tolerant flower (shown here) exhibits long filaments and normal pollen development, producing fluffy-appearing pollen sacs. In contrast, the heat-sterile/heat-sensitive flower (shown in D1016-2) exhibits shortened filaments, flat pollen sacs, and no pollen grains.

 

Photo by Stephen Ausmus.


640 pixels wide: (d1015-10.jpg)




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Last Modified: 1/29/2008
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