Preliminary field evaluations of cowpea varieties for resistance to the black cowpea moth, Cydia ptychora (Meyrick) (Lepidoptera: Tortricidae)

T.I. Ofuya, A.E. Akingbohungbe

Abstract


43 varieties of cowpea, Vigna unguiculata subsp. unguiculata (L.) Walp., were screened for resistance to the black cowpea moth, Cydia ptychora (Meyrick), in various replicated field trials at Ile-Ife, Nigeria. The varieties EW/1, ER-7, BPL-3-1, TVx 3236 O/G, TVu 2994 and TVu 3709 were found to show promising levels of resistance to the pest.

Keywords


Resistance evaluations; Cowpea; Black cowpea moth; Nigeria

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