ABSTRACT Cowpea (Vigna unguiculata (L.) Walp.) is an excellent crop for research in semi-arid regions, due to its tolerance high temperatures and water deficit, with satisfactory yields rain-fed cultivation. The objective this work was evaluate the genotype x environment (G × E) interaction, adaptability stability of cowpea landraces used Cariri, Paraíba, semiarid region Northeast Brazil. exper...
