摘要
翅荚木7个地理种源存在丰富的变异,苗木高生长和径生长存在显著差异,通过1年的苗期试验,初步筛选出苗期表现较好的翅荚木中南种源和翅荚木草坪乡种源,两者的地径遗传增益均在15%以上。同时苗期生长调查表明,翅荚木各种源苗期高生长在前期(6月份)相对缓慢,高生长差异主要表现在8月份,多数种源在8、9月份出现苗高生长峰值,10月中下旬后几乎停止生长。
Obvious differences in the height and diameter of seven Zenia insignia Chun. geographical provenances were observed. According to the data of the Zenia insignis Chun. growth period, the Zhongnan and Caoping geographical provenances were considered as the better ones. The genetic gain of diameter reached more than 15%. The investigation results in the sapling stage showed that the height growth peak appeared during August and September, and growth stagnancy appeared after the last ten days of October.
出处
《江西农业大学学报》
CAS
CSCD
北大核心
2007年第1期61-65,共5页
Acta Agriculturae Universitatis Jiangxiensis
基金
浙江省科技厅重点项目(2005C32044)
关键词
翅荚木
种源
生长性状
早期选择
Zenia insignia Chun.
provenance
character variegations
nonage selection
