ouvrage

Integrated pest management in the tropics. Current status and future prospects

A. Mengech ; K. Saxena ; H. Gopalan | Hoboken [USA] : John Wiley & Sons | 1995

Plus d'information...

Ajouter au panier

article/chapitre/communication

Reproductive performance and population dynamics of cowpea aphid (Homoptera:Aphididae) on leaf extracts of resistant and susceptible cowpeas

I. Annan ; W. Tingey ; G. Schaefers ; K. Saxena | 1996

Membrane feeding studies were conducted to determine the effects of raw juices and chemical extracts of leaves of aphid-resistant (ICV-12) and aphid-susceptible (ICV-1) cultivars of cowpea [Vigna unguciculata L. (Walp.)], on the survival, growth[...]

Plus d'information...

Ajouter au panier

Disponible pour le prêt

article/chapitre/communication

Stylet penetration activities by Aphis craccivora (Homoptera : Aphididae) on plants and excised plant parts of resistant and susceptible cultivars of cowpea (Leguminosae)

I. Annan ; W. Tingey ; G. Schaefers ; W. Tjallingii ; E. Backus ; K. Saxena | 2000

Direct current electrical penetration graphs (DC-EPGs) were used to analyze the styler penetration activities of cowpea aphid, Aphis craccivora Koch, on plants of aphid-resistant (ICV-12) and aphid-susceptible (ICV-1) cultivars of cowpea, Vigna [...]

Plus d'information...

Ajouter au panier

Disponible pour le prêt