糙叶杜鹃扦插繁殖试验  

Research on Cutting Propagation of Rhododendron scabrifolium

作　　者：李朝婵[1] 周艳[2] 黄家涌 陈训[4] 巫华美 

机构地区：[1]贵州大学林学院,贵州贵阳550025 [2]贵州省植物园,贵州贵阳550004 [3]百里杜鹃管理委员会科研所,贵州毕节551500 [4]贵州科学院,贵州贵阳550001 [5]贵州省生物研究所,贵州贵阳550009

出　　处：《贵州农业科学》2011年第6期159-160,165,共3页Guizhou Agricultural Sciences

基　　金：国家农业成果转化项目"杜鹃繁殖技术在中国贵州毕节百里杜鹃林区的应用与示范"(2007GB2F200289);贵州省重大科技攻关项目"延长百里杜鹃花期的配套技术开发与利用"[黔科合重大专项字(2007)6005]

摘　　要：为保护、发掘糙叶杜鹃资源,加快糙叶杜鹃大量繁育和推广,以糙叶杜鹃半木质化茎段为材料,研究了插条不同枝龄、扦插基质及生长调节剂浓度等对插条生根率的影响。结果表明：扦插基质以泥炭土∶腐殖土=1∶2为宜,采用2~4年生插条在200 mg/L IBA＋100 mg/L NAA混合溶液中浸泡30 s的处理获得较高的扦插生根率,生根率达75.6%。To protect,explore Rhododendron scabrifolium resources,speed up the breeding and promotion of Rhododendron scabrifolium,the cutting age of different branches,matrix and growth regulator concentration and soaking time on rooting rate were researched taking semi-woody stems of Rhododendron scabrifolium as the material.The results showed that the cutting medium of peat soil＋humus soil（1∶2） was appropriate,the rooting rate could be up to 76.5% by using 2~4 years old cuttings soaked in mixed solution of 200mg/L IBA and 100mg/L NAA for 30 s.

关 键 词：糙叶杜鹃 扦插 繁殖 生根率 

分 类 号：S792.91[农业科学—林木遗传育种]