The damage caused by Callosobruchus maculatus on cowpea grains is dependent on the plant genotype.
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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).
Palabras clave
Adubação nitrogenada, Grãos armazenados, Feijão caupi, Rizóbio, Inoculation, Nitrogen fertilization, Cowpea, Adubação, Genótipo, Callosobruchus Maculatus, Inoculação, Rhizobium