Abstract
Lima bean is an important legume grown by family farmers, especially in the Northeast of Brazil. In February 2015, lima bean plants showing wilt symptoms were collected in Tanque (private farms) and Teresina (the experimental area at Federal University of Piaui), Piaui state, Brazil. The evaluated areas showed 5% plant mortality. Roots and stems of plants with wilt symptoms were cut into small pieces and surface-sterilized with 70% alcohol and 1% sodium hypochlorite, dried, and plated in potato dextrose agar (PDA). Two isolates grown on PDA and Carnation Leaf-Piece Agar (CLA) at 25 °C and under a 12-h photoperiod were morphologically characterized. Monosporic cultures were deposited in the Culture Collection of Phytopathogenic Fungi of the Federal Rural University of Pernambuco, Recife, Brazil (CMM 3357 and CMM 3368). On PDA, the colonies were white / yellowish with cream / tan reverse side, after 7 days. On CLA, the microconidia showed 0 to 2 septa produced in false heads at the tips of long monophialide...
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