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Toxicity and spraying schedules of a biopesticide prepared from Piper guineense against two cowpea pests
toxicity Piper guineense extract Maruca vitrata Clavigralla tomentosicollis spray schedules cowpea
2015/3/1
The toxicity of three concentrations (5%, 10% and 20% w/v) and spraying schedules (2, 4 and 6 weekly applications) of an extract from West African black pepper, Piper guineense, for managing two major...
Seed to plant transmission of Xanthomonas campestris pv. vignicola isolates in cowpea
Bacterial blight Vigna unguiculata cowpea virulence seed transmission
2011/1/10
Seed transmission of Xanthomonas campestris pv. vignicola was investigated to ascertain the importance of seed as a primary source of inoculum for bacterial blight disease in cowpea. The study was car...