Effects of Different Plant Regulators on the Rooting of Hardwood Cuttings of Actinidia chinensis cv.Hongyang(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of Different Plant Regulators on the Rooting of Hardwood Cuttings of Actinidia chinensis cv.Hongyang

Author(s):: GAN Li- ping; WU Ying- mei; ZHU Hua- la; College of Life Science and Engineering，Chongqing Three Gorges University，Chongqing 404100

Keywords:: Actinidia chinensiscv.Hongyang; plant regulators; cutting; promote root

Abstract:: Using ‘Three Gorges Rainbow’ Actinidia chinensiscv.Hongyang as test materials,the effect of rooting rate,rooting number,root length on rooting status of cuttings treated with three different concentrations of 200，500，1 000 mg/Lof plant regulators including indole cytokinin (6- BA)，gibberellic acid (GA)，indole acetic acid (IAA)，ABT (ABT) were studied.The results showed that the rooting rate of cuttings treated with IAA was prominently higher than other treatment methods，but on rooting rate，it showed a downward trend with the increase of IAA mass concentration and concentration of 200 mg/L IAA had best affection with rooting rate of 503%.GA also had stimulative effect on rooting number in addition to IAA.On average root length，IAA also showed a very significant advantage while 6- BA showed worst.Multiple comparison analysis showed that，cuttings treated by IAA 200 mg/L had a significant difference with other concentrations.There were no regularity of significant differences on promote root effect between different concentrations of other agents.The actual concentration in practice need to be screened.

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Last Update: 2014-08-09