ZHANG Jie,HUANG Junhua,GU Haiyan,et al.Regulation of pH and Its Effects on Growth of Rhododendron[J].Northern Horticulture,2017,41(21):94-100.[doi:10.11937/bfyy.20170850]
盆栽基质pH调节及其对杜鹃花生长的影响
- Title:
- Regulation of pH and Its Effects on Growth of Rhododendron
- Keywords:
- Rhododendron; potting medium; pH
- 文献标志码:
- A
- 摘要:
- 以毛鹃为试材，枯枝落叶∶原土=1∶1为栽培基质，采用差异性分析的方法，研究了不同剂量的柠檬酸、硫酸亚铁、硫磺和草炭对毛鹃株高、冠幅、叶面积、叶绿素等生长指标的影响，以期寻找合适的杜鹃花栽培基质pH调节剂。结果表明：A4(草炭3份)、A10(硫酸亚铁10 kg?m-3)和A11(硫酸亚铁15 kg?m-3)基质处理的株高、冠幅、叶面积均值最好，叶绿素均值较好；其次A3(草炭2份)、A6(柠檬酸2 kg?m-3)、A7(柠檬酸4 kg?m-3)、A9(硫酸亚铁5 kg?m-3)和A12(硫酸亚铁20 kg?m-3)基质处理的株高、冠幅、叶绿素和叶面积均值较好；A2(草炭1份)、A5(柠檬酸1 kg?m-3)、A8(柠檬酸6 kg?m-3)、A13(硫磺1 kg?m-3)和A14(硫磺2 kg?m-3)基质处理的株高、冠幅、叶面积和叶绿素均值一般；A15(硫磺4 kg?m-3)和A16(硫磺6 kg?m-3)基质处理的株高、冠幅、叶面积和叶绿素均值最差。A4(草炭3份)、A10(硫酸亚铁10 kg?m-3)、A11(硫酸亚铁15 kg?m-3)和A12(硫酸亚铁20 kg?m-3)基质成本都比较高；A3(草炭2份)、A6(柠檬酸2 kg?m-3)、A7(柠檬酸4 kg?m-3)和A9(硫酸亚铁5 kg?m-3)基质成本相对较低，杜鹃花各种生物量性状较好，可以应用于容器苗生产。
- Abstract:
- Taking Rhododendron as the test material,litter leaves∶soil=1∶1 for the cultivation medium,using the method of difference analysis,the effects of different doses of citric acid,black sail,sulphur and peat on the growth indexes such as height,canopy,leaf area and chlorophyll of Rhododendron were studied,in order to find suitable pH regulator for Rhododendron cultivation.The results showed that plant height,crown amplitude,leaf area of A4 (peat 60%),A10 (ferrous sulfate 10 kg?m-3) and A11 (ferrous sulfate 15 kg?m-3) matrix were the best,the mean of chlorophyll was better;secondly,the plant height,canopy,chlorophyll and leaf area of A3,A6,A7,A9 and A12 matrix were better,and the plant height,crown amplitude,leaf area and chlorophyll of A2,A5,A8,A13 and A14 matrix were better;plant height,crown amplitude,the leaf area and chlorophyll of A15 and A16 matrix were the worst.The cost of A4,A10,A11 and A12 matrix were all higher;A3 group added peat 2,A6,A7 group respectively add citric acid 2 kg?m-3,4 kg?m-3,A9 experimental group added ferrous sulfate 5 kg?m-3,were relatively low cost, Rhododendron various biomass traits,could be used in container seedling production.
参考文献/References:
[1]中科院中国植物志编辑委员会.中国植物志:1卷[M].北京:科学出版社,1999:57.
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备注/Memo
第一作者简介：张杰（1985-），男，河南驻马店人，硕士，工程师，现主要从事园林植物栽培技术等研究工作。E-mail：496494237@qq.com.