叶芽组培西洋杜鹃最佳生根途径试验研究初报

An elementary research report concerning the optimum rooting pattern of western azalea tissue culture with leaf bud

为了克服西洋杜鹃(Eurhododendron)组培快繁移栽成活率低的问题,对其进行了组培最佳生根方式试验,结果表明,叶芽(茎尖)组织培养的新株,用生根粉处理进行扦插水培,其生根率达90%以上,较试管培养高16%,较基质扦插高50%;育苗周期较试管培养和基质扦插缩短约20 d;移栽成活率较试管培养和基质扦插分别高35%和84%。因此,用生根粉处理后进行扦插水培是西洋鹃最佳生根方式。

Western azalea is one of the mostly cultivated azaleas. We can reduce the costs and accelerate the reproduction speed by tissue culture. An experiment of optimum rooting was conducted in order to resolve the problem of low survival rate which occurs in frequent transplanting. The results showed that if we make a cuttage of a new plant which cultivated by leaf bud in water culture after it has been treated rooting powder,its rooting rate reached 90%, which was 16% higher than test tube cultivation,50% higher than culture medium cuttnge.The period of raising seedings reduced to 20 days compared with test tube cultivation and culture medium cuttage.At the same time,the survival rate of transplanting is 35% higher than test tube cultivation and 84% higher than culture mediumed cuttage. In conclusion, the optimum rooting pattern of western azalea is cultivation within water after handled by rooting powder.