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United States Department of Agriculture

Agricultural Research Service

Title: Sticky Cotton and Reduction of Lint Stickiness

Authors
item Chu, Chang Chi
item Henneberry, Thomas
item Perkins, Henry
item Hendrix, Donald
item Steele, Terry

Submitted to: National Cotton Council Beltwide Cotton Conference
Publication Type: Proceedings
Publication Acceptance Date: June 1, 1996
Publication Date: N/A

Interpretive Summary: Sticky cotton has been an increasing problem in some cotton growing areas of AZ and CA associated with high whitefly populations. A study was conducted in the Imperial Valley, CA in 1995 to determine the effect of Solvay Enzyme B on lint stickiness. Results showed that enzyme applications of 2 to 10% by volume did not reduce lint stickiness under field conditions. This was likely due to the small increase in seed cotton moisture after these applications. Moisture of seed cotton was increased less than 1% when 50 gal/acre of water was applied to open bolls daily for 7 days. On the average, seed cotton moisture varied from 3.5% in the afternoon to 5.1% early in the morning. Lint stickiness was reduced when moisture was increased to 10% and lint samples were incubated at 96 deg F for 72 hours. The reduction was significant for thermodetector ratings of 42 to 34 for untreated cotton compared to a thermodetector rating of 27 following 10% enzyme application.

Technical Abstract: Sticky cotton has been an increasing problem in some cotton growing areas of Arizona and California associated with high Bemisia argentifolii Bellows and Perring populations. A study was conducted in the Imperial Valley, CA in 1995 to determine the effect of Solvay Enzyme B on lint stickiness. Results showed that enzyme applications of 2 to 10% by volume did not reduce lint stickiness under field conditions. This was likely due to the small increase in seed cotton moisture after these applications. Moisture of seed cotton was increased less than 1% when 50 gal/acre of water was applied to open bolls daily for 7 days. On the average, seed cotton moisture varied from 3.5% in the afternoon to 5.1 % early in the morning. Lint stickiness was reduced when moisture was increased to 10% and lint samples were incubated at 96 deg F for 72 hours. The reduction was significant for thermodetector ratings of 42 to 34 for untreated cotton compared to a thermodetector rating of 27 following 10% enzyme application

Last Modified: 12/21/2014
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