【摘要】 海棠是我国传统的观赏植物，具有悠久的栽培历史。近年来，随着海棠种质资源在生态建设中的应用不断扩大，通过自然杂交和人工杂交育种形成的海棠品种层出不穷，极大地丰富了海棠的种质资源。本文综合国内外相关文献，对海棠种质资源现状、种质资源研究、育种技术研究进展进行了探究，并展望了今后重点研究方向，旨在为海棠种质资源与育种研究提供参考。更多还原

【Abstract】 Crabapple is a traditional ornamental plant in China with a long cultivation history.In recent years,with the continuous expansion of the application of crabapple germplasm in ecological construction,crabapple varieties formed through natural hybridization and artificial hybridization breeding have emerged one after another,greatly enriching the germplasm resources of crabapple.This article explores the current status of germplasm resources,research on germplasm,and progress in breeding technology of crabapple,then looks forward to future key research directions,aiming to provide reference for the research on germplasm resources and breeding of crabapple.更多还原