Effect of variety and insecticid on population density and damage by black bean aphid, aphis fabae Scopoli (Aphididae: Homoptera) on common bean (Phaseolus vulgaris L.)

Mwangi, Simon Ng'ang'a2024-12-112024-12-112004http://172.16.31.117:4000/handle/123456789/697enEffect of variety and insecticid on population density and damage by black bean aphid, aphis fabae Scopoli (Aphididae: Homoptera) on common bean (Phaseolus vulgaris L.)Thesis