广西林业科学2018，Vol.47Issue(2)：170-174,5.
光照、水分、基质对江南油杉种子萌发的影响
Effects of Illumination, Moisture and Substrate on Seed Germination of Keteleeria fortunei var. cyclolepis
摘要
Abstract
In order to reveal the adaptability of the seed germination of Keteleeria fortunei var. cyclolepis to the environment,the seed germination of K. fortunei var. cyclolepis was studied by setting illumination,mois-ture and substrate. Results showed that illumination had no significant effect on the germination of K. fortunei var. cyclolepis seeds,and the germination rate was 81.67%～83.33%,which had some influence on growth of seedlings. K. fortunei var. cyclolepis seedlings were etiolated in condition of continuous darkness. Intermittent il-lumination had no significant effect on seed germination and seedling growth. K. fortunei var. cyclolepis seeds could not germinate in 10%moisture condition. Under 25%to 30%moisture conditions,the germination rate was the best,and the seed germination rate was about 75.00%. When the moisture content in matrix was less than 25%,seeds could not germinate or had bad effect on germination and had poor seedling growth;when the mois-ture content in matrix was greater than 30%,the seed germination and seedling growth were inhibited. The germi-nation rate of K. fortunei var. cyclolepis seeds in the paper substrate was best,which was 83.33%;the seedling growth was fastest in the sand matrix,and its plumule length was 22.42 mm and radicle length was 53.08 mm.关键词
江南油杉/种子萌发/光照/水分/基质Key words
Keteleeria fortunei var. cyclolepis/seed germination/illumination/moisture/substrate分类
农业科技引用本文复制引用
王鸿彬,刘雄盛,蒋燚,刘菲,黄荣林..光照、水分、基质对江南油杉种子萌发的影响[J].广西林业科学,2018,47(2):170-174,5.基金项目
广西重点研发计划(桂科AB16380100) （桂科AB16380100）
广西第十六批"新世纪十百千人才工程"第二层次人选专项(桂人社函[2015] 130号) （桂人社函[2015] 130号）
广西优良用材林资源培育重点实验室自主课题(16-A-01-01) （16-A-01-01）
广西林科院基本科研业务费专项(林科201621号) （林科201621号）
