Abstract
The survival of Rhizoctonia solani AG-4 in residual peanut (Arachis hypogaea) shells was studied for 2 yr. Surface sterilized mature peanut pods colonized by R. solani AG-4 and untreated pods were placed separately in fiberglass-mesh bags and buried at 0, 7.6, and 25.4 cm depths in Tifton loamy sand in field microplots. Shells of pods were sampled at 6-mo intervals and assayed on tannic acid-benomyl agar for the recovery of R. solani AG-4 and other soilborne fungi. Recovery of R. solani AG-4 after 6 mo was greater (P≤0.05) from shells of treated pods placed on the soil surface than on those buried in the soil. Survival of R. solani AG-4 from shells at 12 mo was not different (P≤0.05) from those at 6 mo. R. solani AG-4 was isolated from less than 1% of the total shells after 18 and 24 mo
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