赤霉素对贵州黔中地区蓝果树种子萌发及幼苗生长的影响  

The Effect of Gibberellin for Nyssa sinensis Seed Germination and Seedling Growth in Central Guizhou Area

作　　者：胡光平 王桂萍 韩堂松 胡刚 刘正华 张果 陈海虹 郑婉露 HU Guangping(Guiyang Popularize of Science and Technology for Forestry, Guizhou Guiyang 550003)

机构地区：[1]贵阳市林业科技推广站,贵州贵阳550003

出　　处：《林业科技》2018年第2期1-4,共4页Forestry Science & Technology

基　　金：国家林业局林木种苗工程投资计划项目"贵州黔中地区林木种质资源收集库建设"(发改投资[2010]2167);贵州省科技基金项目"黔中地区三种观赏植物的种质资源选择研究"(黔科合J字[2011]2151)资助

摘　　要：对贵州黔中地区不同地点蓝果树种子发芽情况、不同浓度赤霉素对蓝果树种子萌发和幼苗生长进行研究的结果表明:不同地点蓝果树种子场圃发芽率差异较大,大部分集中在20%~30%之间;赤霉素使用的恰当可以提高种子发芽率和幼苗生长量,否则会起到抑制作用;0.01%的赤霉素浸泡蓝果树种子24 h的发芽率最高,比对照提高10.34%;低浓度赤霉素处理蓝果树种子,可提高蓝果树幼苗苗高和地径生长。This paper carried out container-grown seedling of Nyssa sinensis Experiment.we have researched and analyzed the germination situation of Nyssa sinensis seed in different area of Guizhou;The effects of seed germination and seedling growth of the Nyssa sinensis by different concentrations of gibberellin were analyzed.The results showed that:the germination rate of Nyssa sinensis seed field in different sites was different,most concentrate between20%~30%;the appropriate dosage of gibberellin will improve seed germination rate and seedling growth,otherwise,it will inhibit.Soaking the Nyssa sinensis seed with0.01%gibberellin for24hours will be the highest germination rate,it will be10.34percent higher than the control group.A low concentration of gibberellin can raise seedling height and ground diameter of Nyssa sinensis seedling.

关 键 词：赤霉素 蓝果树 种子萌发 幼苗生长 

分 类 号：S723.131.1[农业科学—林木遗传育种]