[1]黎舒,郑巧巧,汪凤林,等. 银杏浸提液对桃金娘叶绿素荧光和土壤酶活性的影响[J].西北林学院学报,2018,33(5):23-30.[doi:10.3969/j.issn.1001-7461.2018.05.04]
 LI Shu,ZHENG Qiao-qiao,WANG Feng-lin,et al. Effects of Ginkgo biloba Extract on Chlorophyll Fluorescence and Soil Enzyme Activity of Rhodomyrtus tomentosa[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(5):23-30.[doi:10.3969/j.issn.1001-7461.2018.05.04]
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 银杏浸提液对桃金娘叶绿素荧光和土壤酶活性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第5期
页码:
23-30
栏目:
出版日期:
2018-09-30

文章信息/Info

Title:
 Effects of Ginkgo biloba Extract on Chlorophyll Fluorescence and Soil Enzyme Activity of Rhodomyrtus tomentosa
文章编号:
1001-7461(2018)05-0023-08
作者:
 黎舒郑巧巧汪凤林陈潇潇兰思仁*曹光球
 (福建农林大学,福建 福州 350002)
Author(s):
 LI ShuZHENG Qiao-qiaoWANG Feng-linCHEN Xiao-xiaoLAN Si-ren*CAO Guang-qiu
 (Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China)
关键词:
 银杏桃金娘叶绿素荧光土壤酶活
Keywords:
Ginkgo biloba Rhodomyrtus tomentosa chlorophyll fluorescence enzyme activity
分类号:
S713
DOI:
10.3969/j.issn.1001-7461.2018.05.04
文献标志码:
A
摘要:
 鉴定银杏浸提液对桃金娘生长的影响,为银杏农林复合模式建立提供理论依据。采用盆栽试验,研究银杏叶和根不同浓度水浸提液(0.10、0.05、0.025、0.012 5、0.006 25 g·mL-1)对桃金娘叶片叶绿素荧光和土壤酶活性的影响。结果表明:1)桃金娘叶最小荧光变量Fo、最大荧光变量Fm、可变荧光Fv这3个指标呈现出“低促高抑”趋势,Fo、最大光能转换效率Fv/Fm、PSⅡ潜在活性Fv/Fo差异显著;2)纤维素酶、蔗糖酶活性随浓度升高呈现增加趋势,蛋白酶、脲酶活性随浓度升高呈现“U”字形曲线,过氧化物酶活性随浓度升高呈现减少趋势,酸性磷酸酶活性随浓度升高呈现“W”形曲线,多酚氧化酶活性呈现“低促高抑”趋势;3)酶活性试验在低浓度浸提液处理下差异性不显著,中、高浓度浸提液处理差异性显著;4)银杏根系浸提液对酶活性的响应较大。在不同浓度浸提液浇灌下,桃金娘均呈生长态势,银杏、桃金娘二者为互利效应。因此,银杏农林复合模式中能够采用桃金娘这类生态经济型植物。
Abstract:
 The purposes of this study were to identify the effects of Ginkgo biloba extract on the growth of Rhodomyrtus tomentosa,and to provide a theoretical basis for the establishment of Ginkgo agroforestry model.By using pot experiment,the effects of the extracts of G.biloba leaves and roots with different concentrations (0.10,0.05,0.025,0.012 5,0.006 25 g·mL-1) on chlorophyll fluorescence of R.tomentosa and soil enzyme activity were examined.The results showed that 1) 3 indicators (including the minimum fluorescence variable Fo,the maximum fluorescence variable Fm,variable fluorescence Fv) could be promoted at low concentrations of the extracts,and inhibited at high concentrations.Differences between the variables were significant,including Fo,the maximum photochemical efficiency,Fv/Fm,potential photochemical efficiency,and Fv/Fo.2) Activities of cellulase and sucrase increased with the increase of concentration; the activities protease and urease presented a “U-type” curve with concentration; peroxidase activity showed a decreasing trend with concentration; the activity of acid phosphatase showed “W” curve,polyphenol oxidase activity was high at low concentration and low at high concentration.3) Differences in activity among the enzymes tested were not significant when they were treated with low concentrations of the extracts,and significant under medium and high concentrations.4) The enzyme activity had a greater response to extract of Ginkgo root.Gernerally,seedlings of R.tomentosa could grow well when they were irrigated with the water that contained different concentrations of Ginkgo extracts,indicating that two plant species could co-exist well,and therefore,for G.biloba agroforestry model,R.tomentosa,which had high economic benefit could be cultivated with G.biloba.

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备注/Memo

备注/Memo:
 收稿日期:2017-12-11修回日期:2018-03-23
基金项目:国家“十二五”科技支撑计划项目(2014BAD15B01)。
作者简介:黎舒,女,在读硕士,研究方向:森林培育。E-mail:772934139@qq.com
*通信作者:兰思仁,男,博士,教授,研究方向:林业、园林、森林公园建设和城市景观设计。E-mail:lsr9636@163.com
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