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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...
Effects of biopesticide Neem EC on the Large White Butterfly, Pieris brassicae L. (Lepidoptera, Pieridae)
biopesticide Neem EC the Large White Butterfly
2010/1/14
Effects of biopesticide Neem EC on the Large White Butterfly, Pieris brassicae L. (Lepidoptera, Pieridae).