‘中林5号’楸树优良品种选育研究  

Study on Breeding of the Excellent Seedling Tree of Zhonglin Sorbus No. 5

作　　者：王秋霞 Wang Qiuxia(Nanyang Forestry Research Institute, Henan Nanyang 473000,China)

机构地区：[1]南阳市林业科学研究院

出　　处：《河南林业科技》2019年第2期11-14,共4页Journal of Henan Forestry Science and Technology

摘　　要：‘中林5号’楸树是通过杂交育种选育的优良品种。其母本(♀)和父本(♂)分别为楸树6-1和楸树6-8,均是“七·五”期间收集的天然优树无性系单株。该良种选育过程经历优树收集、亲本选择、杂交育种、家系评比与超级苗选择、超级苗无性系二级筛选和无性系分生态区试验、优良无性系决选。通过6年来对比分析,该品种具有遗传稳定性、材质优良、速生、抗逆性更强等优良特性。适合在山西、河北、山东、河南、江苏、湖北、天津推广。'Zhonglin Sorbus No. 5' is an excellent breed of hybrid breeding. Its mother(♀) and parent(♂) are 6-1 and 6-8 respectively, both of which are natural superior tree asexual strains collected during the "7th Five-Year Plan" period. The breeding process experienced superior tree collection, parental selection, hybrid breeding, family evaluation and Super seedling selection, secondary screening of Super seedling asexual lines, and asexual sub-ecological zone test, and excellent asexual line selection. Through 6 years of comparative analysis, the species has such excellent characteristics as genetic stability, excellent material quality, rapid growth, and stronger resistance. Suitable for promotion in Shanxi, Hebei, Shandong, Henan, Jiangsu, Hubei and Tianjin.

关 键 词：楸树 杂交育种 良种 

分 类 号：S792.25[农业科学—林木遗传育种]