【作者】 钟伟华；

【Author】 Zhong Weihua (South China Agriculture University)

【机构】 华南农业大学；

【摘要】 本文综述了广东林木育种的成就、问题及其解决办法。成就包括外来树种引种、优树选择、种子园建立、子代测定、种间杂交、无性系选择与无性系林业及育种研究水平;问题包括第1代种子园种子的产量与质量、改良计划(方案)、育种群体培育及投资方向;对策主要是多系杂交、种子园去劣、加大授粉群体、加速早期测定、增植一般配合力高的无性系和提高第1代种子园的经营管理水平.更多还原

【Abstract】 The achievements,problems and countermeasures of tree breeding in Guangdong province were reviewed in this paper.The achievements include introduction of exotics,provenance trial,plus tree election,seed orchard establishment, progeny test,interspecific hybridization,clonal select ion,clonal forestry and the scientific research of tree breeding,The problems are related to seed production and quality of the first generation seed orchard,tree genetic improvement programme,breeding population and direction of investment.It was pointed out that the work of polycross,orchard roguing,supplemental mass pollination, accelerating early test,replanting with clones of superior general combing ability and management should be strengthed for genetic improvement and the first generation seed orchard.更多还原