Phenomics approaches: genetic diversity and variance components in a S2 guava family by seed traits

Guava is of great economic importance in Brazil. The development new cultivars by obtaining inbreeding lines has been a promising option. objective this work was to evaluate the S2 families Psidium guajava using seed attributes. Different characters physiological quality guava seeds were studied, addition performing digital phenotyping characteristics geometry, texture and colors seeds. variables analyzed simultaneously Ward-Modified Location Model (MLM) method carried out individual analyses variance for estimating genetic parameters population. formation more than one group divergent genotypes observed, geometry impacting discrimination genotypes, high phenotypic correlation observed with germination dry matter weight. High heritabilities verified related quality, indicating success selecting vigorous genotypes. Ward-MLM useful tool detect diversity among inbred guava. Thus, most potential can be recommended future crosses or self-fertilized obtain breeding program.