The damage caused by Callosobruchus maculatus on cowpea grains is dependent on the plant genotype.

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Author(s): TORRES, E. B.; NÓBREGA, R. S. A.; FERNANDES JUNIOR, P. I.; SILVA, L. B.; CARVALHO, G. dos S.; MARINHO, R. de C. N.; PAVAN, B. E.

Summary: Beans from cowpea cultivars fertilized with mineral N or inoculated with various rhizobium strainsmay contain different nitrogen concentrations and nitrogen metabolite composition, which affects the beans? defense mechanisms against pests. In this study, the population growth of Callosobruchus maculatus reared on beans from four cowpea cultivars fertilized with different nitrogen sources was evaluated. The factors tested were beans from four cowpea cultivars and seven different nitrogen sources: mineral N fertilization, inoculation with five strains of symbiotic diazotrophic bacteria, and soil nitrogen (absolute control).

Publication year: 2016

Types of publication: Journal article

Unit: Embrapa Semi-arid Region

Keywords: Adubação, Adubação nitrogenada, Callosobruchus Maculatus, Cowpea, Feijão caupi, Genótipo, Grãos armazenados, Inoculation, Inoculação, Nitrogen fertilization, Rhizobium, Rizóbio

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