出版社：Grupo de Pesquisa Metodologias em Ensino e Aprendizagem em Ciências
摘要：Corn (Zea mays L.) and common bean (Phaseolus vulgaris L.) arouse great agricultural interest in Brazil and worldwide, cowpea (Vigna unguiculata (L.) Walp.) and cowpea (Phaseolus lunatus L.) have adapted perfectly to the climate of the North/Northeast of Brazil. The objective of this work was to evaluate the physical and physiological quality of native corn and bean seeds from small farmers in Ituiutaba-MG. The experimental design was entirely randomized, with 6 varieties and 4 repetitions of 50 seeds. The evaluations occurred from the 4th to the 7th day for corn, 5th to the 8th day for cowpea and 5th to the 9th day for cowpea and cowpea, following the Rules for Seed Analysis. The following were analyzed: Thousand Seed Weight, Emergence Speed Index, Germination Speed Index, Germination Percentage, First Germination Count, Seedling Length, Sieve Retention, Fresh Biomass, Dry Biomass and Electrical Conductivity. The results were submitted to analysis of variance by Tukey's test at 5% probability of error. The varieties differed statistically for SMP, the cowpea showed higher SMP. For PR, no statistical differences were observed. Urban corn and commercial bean stood out for: EVI and %G. Rural and urban corn varieties did not differ statistically for PCG, IVG and %G; cowpea and commercial bean stood out for: PCG, IVG and %G. Corn varieties did not differ statistically for: CP, BS and CE. Cowpea presented the lowest mean for CP; cowpea and cowpea stand out for BF. The cowpea presented lower vigor for CE.
