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ARS Home Office of Communications Images Photos Feb08





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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)   Please visit our Image Gallery


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