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2015年4月27日讯:最近,滇楸优良无性系“中滇63”“中滇128”获得河南省林木良种委员会的审定,由此改变了我国滇楸无良种的现状。2005年,中国林业科学研究院林业研究所珍贵用材树种遗传改良研究组,联合贵州省林业科学研究院,在滇楸主要分布区开展优良种质资源收集,共收集优良种源200份。2007—2008年,研究组在贵阳市开展苗圃测定,筛选出了30个无性系开展区域化试验;2009年,在河南、湖北、贵州等地营建滇楸无性系区域化试验林,开展无性系评比试验和选择;2012年,对表
April 27, 2015: Recently, the excellent clones of Catalpa bungei, “Zhongdian 63 ” and “Zhongdian 128 ” were examined and approved by the Commission on Forest Varieties of Henan Province, thus changing the status quo of unmanaged species in our country. In 2005, the Research Group of Precious Timber Tree Species Improvement, Institute of Forestry, Chinese Academy of Forestry, in conjunction with Guizhou Provincial Academy of Forestry, carried out the collection of excellent germplasm resources in the main distribution area of Sorbus nanny and collected 200 good provenances. In 2007-2008, the research team conducted the nursery test in Guiyang and screened out 30 clones to carry out the regionalization test. In 2009, the regional trial plantation of Catalpa bungei was established in Henan, Hubei and Guizhou, Tests and options for comparison; 2012, table