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Cotton Seedling Disease and Cotton Production in Louisiana

Jennifer Mulkey, K.S. McLean and G.W. Lawrence


 
ABSTRACT

An in-furrow cotton seedling disease fungicide test was conducted on the Northeast Louisiana University Layton Farm to determine the benefits of selected in-furrow fungicides on cotton seedling disease. Treatments consisted of Start 15G, Start 60WG, Ridomil PC 11G, Terraclor Super X, Rovral 50 WG + Ridomil 2E, SM-9, Temik 15G, Temik/Start 60834A 11G, and an untreated control. All treatments were applied at manufacturers recommended rates in the seed furrow at planting. At 7 days after planting seedling stand ranged from 118.6 to 89.6 plants per 40 feet of row for the Terraclor Super X and Ridomil treatments respectively. By 14 days after planting, the stand in the Rovral + Ridomil and Start 60WG at the low rate were significantly greater than the stand in Temik 15G. At 21, 28 and 42 days after planting, there were no significant differences in stand among treatments. Seed cotton yield ranged from 2040.6 to 1318.4 lb/acre for the Start 15G (5.0oz/acre) to Temik 15G respectively.



Reprinted from Proceedings of the 1997 Beltwide Cotton Conferences pp. 140 - 141
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998