盆栽和地栽牡丹叶片与花芽中矿质元素含量的变化

doi:10.11924/j.issn.1000-6850.2014-0452

摘要/Abstract

摘要： 对盆栽与地栽牡丹体内7种矿质元素含量随时间推移的变化规律的差异性进行了研究，为盆栽牡丹和地栽牡丹的平衡营养、合理施肥与高效优质栽培提供科学的理论依据。以牡丹品种‘洛阳红’为试材，通过盆栽和地栽2种栽培方式，在不同日期（5—11月）采集样品，测定和比较2种栽培方式下牡丹叶片和花芽中7种矿质元素（氮、磷、钾、铁、锰、锌和铜）含量的变化情况，并分析矿质元素间相关性。结果表明，牡丹叶片和花芽中每一种大量元素（氮、磷、钾）在2种栽培方式下变化趋势基本一致。叶片中大量元素平均含量高低依次为氮、钾、磷，而花芽中大量元素平均含量高低依次为氮、磷、钾。牡丹叶片和花芽中微量元素（铁、锰、锌、铜）在2种栽培方式下变化趋势有一定差异。地栽牡丹叶片中微量元素平均含量排序为Fe＞Mn＞Zn＞Cu，而盆栽牡丹叶片中微量元素平均含量排序均为Fe＞Zn＞Mn＞Cu，2种栽培方式下花芽中微量元素平均含量排序均与盆栽牡丹叶片中微量元素含量变化一致。2种栽培方式下，牡丹叶片中矿质元素间相关性差异较大，然而氮和磷间相关性均达到显著或以上水平，牡丹花芽中矿质元素间相关性也有一定差异，然而氮和磷、氮和钾间相关性均较好。

关键词: 施氮量, 施氮量

Abstract: The differences of change rules over time of 7 kinds of mineral elements contents in potted and field tree peony were studied, in order to provide scientific basis for balanced nutrition, rational fertilization and cultivation of high quality and efficiency of potted and field tree peony. Using pot and field- cultivated tree peony‘Luoyang hong’as test material, seven kinds of mineral elements (nitrogen, phosphorus, potassium, iron, manganese, zinc and copper) were measured and compared from leaves and flower buds collected in different date (between May and November), and the correlations between mineral elements were analyzed. The results showed that the changing trend of major elements (nitrogen, phosphorus and potassium) in leaves and flower buds under two kinds of cultivation patterns were basically the same. Average content of major elements in leaves from high to low were nitrogen, potassium and phosphorus, while in flower buds from high to low were nitrogen, phosphorus and potassium. The changing trend of microelements (iron, manganese, zinc and copper) content in leaves and flower buds of tree peony under two kinds of cultivation patterns had several differences. Average content of microelements in leaves of field tree peony from high to low were Fe＞Mn＞Zn＞Cu, while average content of microelements in leaves of potted tree peony were Fe＞Zn＞Mn＞Cu. The changing of average content of microelements of flower buds under two kinds of cultivation were as same as the content of microelements in leaves of potted tree peony. Correlation-differences were existed among mineral elements in leaves of tree peony under two kinds of cultivation patterns, while the correlation between nitrogen and phosphorus reached the significant or above level. Correlation-differences among mineral elements in flower buds of tree peony under the two kinds of cultivation patterns also existed, however, the correlation between nitrogen and phosphorus, nitrogen and potassium were both good.

郭丽丽侯小改李军刘改秀孔祥生. 盆栽和地栽牡丹叶片与花芽中矿质元素含量的变化[J]. 中国农学通报, 2014, 30(25): 239-244.

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