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Effect of an Anti-Transpirant on Cotton Grown under Conventional and Conservation Tillage Systems

D.J. Makus


 
ABSTRACT

The polyacrylamide anti-transpirant 'Anti-Stress 550' was applied twice during the 1996 growing season to cotton plants grown under conventional, minimum, and no tillage. There were no significant lint yield differences between tillage systems, although weed pressure, as measured by weed biomass, was highest in the no till system compared to the other two systems (P=0.02). The increased yield benefit from use of the anti-transpirant was observed only in conventional tillage (63%, P=0.13). Daily plant water use measured in the conventional tillage system on 18 June and 14 July was 42 and 48% lower in plants receiving anti-transpirant applications.



Reprinted from Proceedings of the 1997 Beltwide Cotton Conferences pp. 642 - 644
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998