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当前位置: 首页 > 文章 > IBA和发根农杆菌对糠椴嫩枝扦插的影响 园艺学报 2007,34 (1) 201-204
Position: Home > Articles > Effect of IBA and Agrobacterium rhizogenes on the Softwood Cutting of Tilia mandshurica Acta Horticulturae Sinica 2007,34 (1) 201-204

IBA和发根农杆菌对糠椴嫩枝扦插的影响

作  者：
张芹;李保会;朵建国;王文凤;刘云强;梁海永;杨建民
单  位：
河北农业大学园林与旅游学院;河北农业大学科技处;保定市林业局;河北农业大学林学院
关键词：
糠椴;IBA;发根农杆菌;嫩枝扦插;内源激素;营养物质
摘  要：
研究了IBA和发根农杆菌处理对糠椴嫩枝扦插生根的影响,并对其影响生根的机理进行了初步探讨。结果表明:IBA和发根农杆菌处理显著(P<0.01)提高了插条生根率,增加了成活苗的生根数和根长,明显缩短了生根时间。IBA和发根农杆菌处理还显著(P<0.01)提高了插条生根期内源GA3和IAA、可溶性总糖和全氮的含量及IAA/ABA比值,降低了ABA含量,对糠椴嫩枝扦插生根有明显的促进作用,其中以500mg.kg-1IBA+发根农杆菌处理的生根效果最好,插条的生根率、成活苗的生根数、成活苗的根长分别比对照增加了122.08%、65.75%和23.63%,生根时间比对照缩短了14d。
译  名：
Effect of IBA and Agrobacterium rhizogenes on the Softwood Cutting of Tilia mandshurica
作  者：
ZHANG Qin1,LI Bao-hui2,DUO Jian-guo3,WANG Wen-feng1,LIU Yun-qiang1,LIANG Hai-yong4,and YANG Jian-min1*(1College of Landscape Architecture and Tourism,Agricultural University of Hebei,Baoding,Hebei 071000,China;2Division of Science and Technology,Agricultural University of Hebei,Baoding,Hebei 071000,China;3Baoding Forestry Bureau,Baoding,Hebei 071001,China;4College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000,China)
关键词：
Tilia mandshurica;IBA;Agrobacterium rhizogenes;Softwood cutting;Endogenous hormone;Nutritive material
摘  要：
The influence of IBA and Agrobacterium rhizogenes on the softwood cutting of Tilia mandshurica was studied during rooting,while the mechanism of their effects on the rooting was discussed.The results showed that the rooting percentage and number of roots significantly increased(P<0.01)and the rooting time decreased after treatment with IBA and Agrobacterium rhizogenes.IBA and Agrobacterium rhizogenes also increased the IAA/ABA ratio and contents of IAA,GA3,soluble sugars,reduced ABA contents of cuttings during the rooting period,and promoted remarkably rooting of softwood cutting.It was showed that the treatment with IBA+Agrobacterium rhizogenes was the best.The rooting percentage,quantity of root and root length of the cutting after treatment with IBA+Agrobacterium rhizogenes increased by 122.08%,65.75% and 23.63%,respectively,while the rooting period shortened by 14 days compared with control.

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