多效唑对盆栽花叶美人蕉的矮化效果

Effects of Paclobutrazol on Basin-cultured Canna generalis′ Reduction

为探明多效唑对花叶美人蕉的矮化效果,采用不同质量浓度50,100,200,300,500mg/L多效唑溶液叶面喷施盆栽花叶美人蕉.结果表明,50～100mg/L多效唑处理可使盆栽花叶美人蕉株形矮化,生长势减弱,叶片厚度增加,叶面积减小,叶片绿色加深,能有效提高盆栽花叶美人蕉的观赏价值.

To investigate the influences of paclobutrazol on Canna generalis′reduction,the basincultured Canna generalis is treated with PP333 of different concentrations by foliage fraying.Results show that the treatment of 50~100 mg/L PP333 is effective in reducing the height of the basincultured Canna generalis,weakening the growth, increasing the thickness of leaves,decreasing leaves area and keeping leaves more green, as can effectively improve the appreciation value of basincultured Canna generalis.