WANG Ren,MA Rui,XU Sheng,et al.Effect of PP333 Treatment on New Shoot Growth and Leaf Photosynthesis of Jasminum sambac L.[J].Northern Horticulture,2014,38(20):62-65.
多效唑对双瓣茉莉新梢生长及叶片光合作用的影响
- Title:
- Effect of PP333 Treatment on New Shoot Growth and Leaf Photosynthesis of Jasminum sambac L.
- 文章编号:
- 1001-0009（2014）20-0062-04
- 分类号:
- Q 945.79
- 文献标志码:
- A
- 摘要:
- 以盆栽双瓣茉莉为试材，研究了喷施不同浓度的多效唑对双瓣茉莉新梢生长发育与叶片光合速率的影响。结果表明：多效唑处理显著的抑制双瓣茉莉新梢的长度、增加新梢的直径，且随着处理浓度的增加，其作用效果越明显。此外，多效唑还显著的抑制双瓣茉莉叶片的生长和发育，增加叶片的叶绿素含量，并且显著提高叶片的光合作用。喷施多效唑的有效期持续在30～50 d且较适合的浓度为200～300 mg/L。
- Abstract:
- Taking Jasminum sambac L. (double petal) as test material,the effect of paclobutrazol (PP333) on new shoot growth and leaf photosynthesis rate of Jasminum sambac L.(double petal) were analyzed by using foliar spray method.The results showed that PP333 significantly inhibited the new shoot growth and increased the young sprout diameter with a dose-dependent way when compared with the control treatment.Moreover,PP333 treatment also reduced the leaf growth,increased chlorophyll content and leaf photosynthesis rate of Jasminum sambac L..Additionally,the effective period of PP333maintained about 30—50 days after leaf spraying and the most suitable concentration of PP333 might between 200-300 mg/L.
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备注/Memo
第一作者简介：汪仁（1975-），男，安徽宿松人，博士，副研究员，现主要从事植物栽培生理等研究工作。E-mail：jswangren@aliyun.com.
收稿日期：2014-05-22