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Control of Southern Stem Rot and Rhizoctonia Limb Rot of Peanut with Flutolanil

Author: A. S. Csinos

  • Control of Southern Stem Rot and Rhizoctonia Limb Rot of Peanut with Flutolanil

    ARTICLES

    Control of Southern Stem Rot and Rhizoctonia Limb Rot of Peanut with Flutolanil

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Abstract

Flutolanil (SN 84364) was evaluated in vitro against Sclerotium rolfsii and Rhizoctonia solani AG-4. ED50 values were < 0.01 and < 0.1 gmL for S. rolfsii and R. solani, respectively, while Pentachloronitrobenzene (PCNB) had ED50 values of < 0.1 and < 1.0 gmL, respectively. Concentrations of flutolanil at 0.1 gmL greatly reduced sclerotia and sclerotia initial development of S. rolfsii. Field evaluations were conducted near Tifton, GA, during 198386 for control of southern stem rot (S. rolfsii) and Rhizoctonia limb rot (R. solani AG 4) on peanut (Arachis hypogaea L.). Flutolanil 50 WP applied as a banded (40 cm) foliar spray at rates of 1.12 5.6 kg aiha at pegging (about 60 days post seeding) significantly (P = 0.05) decreased both disease loci numbers caused by S. rolfsii and percentage of vines infected with R. solani. Yields were increased significantly (P = 0.05) in all treatments over the four years of trials. Flutolanil 7 G was significantly (P = 0.05) less effective in controlling southern stem rot and increasing yield than the 50 WP formulation.

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Keywords: white mold, Ground nuts, Rhizoctonia

How to Cite:

Csinos, A., (1987) “Control of Southern Stem Rot and Rhizoctonia Limb Rot of Peanut with Flutolanil”, Peanut Science 14(2), p.55-58. doi: https://doi.org/10.3146/i0095-3679-14-2-1

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Published on
01 Jul 1987
Peer Reviewed