Source of variation, heritability and correlation between yield, fruit size and maturity in early generation after crossing Virginia and Spanish-type peanuts (Arachis hypogaea L.)

arachide arachis hypogaea cacahuete cultivo forzado fitomejoramiento forcing genotipos genotypes graine groundnuts heredabilidad heritability hybridation hybridization madurez maturity plant breeding rendement rendimiento seeds semilla yields