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Agronomy Journal Abstract -

Effect of Relative Humidity, Temperature, and Light Intensity During Boll Opening on Cottonseed Quality1


This article in AJ

  1. Vol. 59 No. 5, p. 441-444
    Received: Mar 15, 1967

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  1. J. M. Woodruff,
  2. F. S. McCain and
  3. C. S. Hoveland2



Two laboratory experiments were conducted to study the influence of relative humidity, temperature, and light intensity during the boll-opening period on cottonseed quality. Seed quality was reduced as relative humidity increased above 60y0 during a 21-day exposure period. Increasing relative humidity from 60 to 70% caused a rapid decrease in rate of radicle growth of 5-day old seedlings. Raising relative humidity to SOY0 and above resulted in a rapid increase in free fatty acids accumulated in seed oil during the exposure period.

Raising temperature of exposure period from 25 C to 40 C at constant relative humidities had little influence on seed quality. Increasing light intensity from 50 ft-c to 2,000 ft-c at 35 C and 80% relative humidity did not influence seed quality.

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