Use of microstructural characteristics of pollen and pistil to identify olive cultivars in Southern Brazil

The olive crop has a large diversity in cultivars around the world, whose identification have been based on leaf, stem or fruit traits. However, these traits may be influenced by environment, which led to misidentification of cultivars. variability pistil and pollen structure under electron scanning light microscopy were studied using 'Arbequina', 'Arbosana', 'Frantoio', 'Koroneiki', 'Manzanilla de Sevilla' 'Picual', cultivated Southern Brazil. aim was find unique patterns for their identification. This type study not carried out conditions Brazil, where commercial sometimes is complex confusing. There significant differences variables, showing uniformity within each cultivar different locations. principal component analysis indicated separation according similarities micromorphological wall, area lumen structural elements tectum. For pistil, even clearer, individually forming cluster, as characters length style contrast length, width stigma. evidenced little variation among individuals same cultivar. information provided can contribute individual very close tree