Genetic contributions to productivity and nutritional aspects in cassava crops od Bester, Adriano Udich, Carvalho, Ivan Ricardo, Loro, Murilo Vieira, Ramos, Adriano Hirsch, Sfalcin, Inaê Carolina, Silva, José Antonio Gonzalez da, Foguesatto, Felipe da Rosa, Foguesatto, Marcos Vinícius Uhde