LINGHU Yuwei,LI Bin,HU Hao,et al.Effect of Formulated Fertilization on Growth and Leaf Element Content of Peristrophe japonica (Thunb.) Bremek.[J].Northern Horticulture,2015,39(16):147-150.[doi:10.11937/bfyy.201516035]
配方施肥对九头狮子草生长和叶片元素含量的影响
- Title:
- Effect of Formulated Fertilization on Growth and Leaf Element Content of Peristrophe japonica (Thunb.) Bremek.
- 文献标志码:
- A
- 摘要:
- 以九头狮子草为研究对象，采用N、P、K 3因子3水平（L9(33)）正交实验，研究了不同施肥水平对九头狮子草营养生长和开花的影响。结果表明：与对照相比，不同N、P、K水平处理明显加快植株的生长和正常开花，并且开花时间提前约1周，其中最利于植株营养生长和开花的施肥组合为N1P2K2。N是影响植株生长的主要因素，其次为P、K；K是影响植株矿质元素吸收的关键因素，它们与植物叶片全氮、磷、钾、镁含量呈正相关；其次为P，它与植物P和K含量呈正相关。
- Abstract:
- Taking Peristrophe japonica (Thunb.) Bremek.as the research object，by using level of the orthogonal experiment design L9(33)，to explore the influence of the fertilizing treatment on its vegetative growth and flowering.The results showed that the treatments，compared with the control，were more effective for vegetative growth and normal flower induction of Peristrophe japonica (Thunb.) Bremek.(P<0.05).Among the treatments，N1P2K2 was the optimal condition to speed up the growth of the plants and it was also the most effective for flowering，about one week advanced to the emergence.The effect of fertilization was in the order of N>K>P in the growth period.K was the key factor to affect the absorption of mineral elements in the plant.The total level of N，P，K，Mg was positive correlated with it.P was the secondary factor and the contents of P and K increased with the increasing of its dosage.
参考文献/References:
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备注/Memo
第一作者简介：令狐昱慰（1980-），女，硕士，助理研究员，现主要从事植物生理学和药用植物学等研究工作。E-mail：amandalh1980@sina.com.cn. 基金项目：陕西省科学院重点资助项目(2011-k03)。