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Effect of Selected Fungicides for Cotton Seedling Disease Management Across the Cotton Belt

K. S. McLean and Julius E. Fajardo


 
ABSTRACT

Twenty cotton seedling disease fungicide tests were conducted across eight states in 2000. Fungicides examined included Terraclor Super X 18.8G and EC, Terraclor 2E and 15G, Rovral 4CF, Ridomil Gold 11PC and EC, Quadris 2SC and Delta Coat AD. At 14 days after planting, Terraclor Super X 18.8G, Terraclor Super X EC and Quadris 2SC increased stand over the control by 17.4 to 20.2 plants per plot By 28 days after planting the increased stand over the control had increased to 20 to 25 plants. Seed cotton yield was increased over the control by 7 of the 9 fungicide treatments with and average increase of 98 lb of lint. The average fungicide cost was $9.16 per acre. The average net value increase in cotton yield over the control at $0.55 lb was $53.90 with an average return to the producer of $ 47.48.





Reprinted from Proceedings of the 2001 Beltwide Cotton Conferences pp. 154 - 155
©National Cotton Council, Memphis TN

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Document last modified XXXXXX, XXX XX 2001