Effect of Mepanipyrim on the Resistant Isolates of Gray Mold Fungus, Botrytis Cinerea to the Fungicides of Benzimidazole and Dicarboximide
2006
Koo, H.M. (Kongju National University, Yesan, Republic of Korea) | An, S.J. (Kongju National University, Yesan, Republic of Korea) | Shin, H.C. (Central Research Institute of Kyung Nong Cooperation, Gyeongju, Republic of Korea) | Do, E.S. (Joong Bu University, Geumsan, Republic of Korea) | Shin, M.H. (Konkuk University, Seoul, Republic of Korea) | Kim, Y.S. (Konkuk University, Seoul, Republic of Korea) | Kim, J.H. (Konkuk University, Seoul, Republic of Korea) | Chun, S.C. (Konkuk University, Seoul, Republic of Korea), E-mail: [email protected]
Effect of the fungicide mepanipyrim on the resistant and sensitive isolates of Botrytis cinerea was studied in vitro and also tested to control Botrytis rot of strawberry, cucumber and grape in the field. These isolates were selected by relative mycelial growth and spore germination on potato dextrose agar (PDA) incorporated with 100 ㎍ a.i./ml of benomyl and procymidone, respectively, compared to the unamended PDA. Mycelial growth of the selected resistant isolates was significantly inhibited by mepanipyrim but the inhibition rate was similar to other fungicides belong to benzimidazole or dicarboximide, although spore germination was not inhibited even by the higher concentration of mepanipyrim.
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