This book focuses on the morphology， the exine omamentation， and the associated evolutionary trends of crabapple pollen and anatomical developmental patterns. To examine the genetic evolutionary patterns of crabapple pollen traits， we constructed an interval distribution function based on characteristic pollen parameters and used a binary trivariate data matrix （Xi Yi Zi） to reflect the exine omamentation regularity of the pollen. Our findings should inform the taxonomic status of the Malus sp.Pollen electron micrographs from a total of 26 species and 81 cultivars of Malus were recorded in this book. All 107 figures and 642 scanned pollen images constitute primary data obtained by the authors. The images in this book are clear， threedimensional， and aesthetically pleasing. They are accompanied with text descriptions and provided a method for the indication of the different types of information that can be expected.This book can provide a reference for researchers， especially plant breeders. These people need to know the pollen structure and their compatibility for further breeding. In doing so， it has much better opportunity to produce new taxa. The research methods in palynology are also a great reference for other plant taxa.
鄂公网安备 42010302001612号 