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United States Department of Agriculture

Agricultural Research Service

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Image Number D1016-2

Heat-sensitive/heat-sterile cotton flower. (Compare to heat-tolerant flower in D1015-10). The heat-sterile/heat-sensitive flower (shown here) exhibits shortened filaments, flat pollen sacs, and no pollen grains. The heat-tolerant flower (shown in D1015-10) exhibits long filaments and normal pollen development, producing fluffy-appearing pollen sacs.


Photo by Stephen Ausmus.

640 pixels wide: (d1016-2.jpg)

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Last Modified: 8/13/2016
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