Response of Fluorescence Parameters to Two Different Plant Growth Regulators in Cerasus Humilis Seedlings

WEI Yajuan; WANG Ji; DANG Xiaohong; HE Junling; LIU Zongqi; ZHANG Bo; XIE Yunhu

doi:10.13961/j.cnki.stbctb.2018.05.011

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Response of Fluorescence Parameters to Two Different Plant Growth Regulators in Cerasus Humilis Seedlings

- Response of Fluorescence Parameters to Two Different Plant Growth Regulators in Cerasus Humilis Seedlings
- Bulletin of Soiland Water Conservation Vol. 38, Issue 5, Pages: 64-69(2018)
- 作者机构：
  
  1. 内蒙古农业大学沙漠治理学院,内蒙古,呼和浩特,010018
  2. 杭锦旗农业技太推广中心, 内蒙古杭锦旗,017400
  3. 内蒙古自治区林业科学研究院,内蒙古,呼和浩特,010010
  4. 内蒙古鄂尔多斯市环境保护局,内蒙古,鄂尔多斯,017000
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2018.05.011
  CLC： S723.1
- Published：2018
- 稿件说明：
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WEI Yajuan, WANG Ji, DANG Xiaohong, et al. Response of Fluorescence Parameters to Two Different Plant Growth Regulators in Cerasus Humilis Seedlings[J]. Bulletin of Soiland Water Conservation, 2018, 38(5): 64-69.
DOI：

WEI Yajuan, WANG Ji, DANG Xiaohong, et al. Response of Fluorescence Parameters to Two Different Plant Growth Regulators in Cerasus Humilis Seedlings[J]. Bulletin of Soiland Water Conservation, 2018, 38(5): 64-69. DOI： 10.13961/j.cnki.stbctb.2018.05.011.

摘要

[目的

]

探讨多效唑（PP

333

）和生根粉（GGR

）两种植物生长调节剂对欧李（Cerasus humilis）叶绿素荧光参数的影响，为欧李幼苗的壮苗栽培技术提供科学理论依据。[方法

]

采用单因素分析法，以1年生欧李幼苗为研究对象，分别设置0，50，100，150和200 mg/L 5个浓度梯度的PP

333

和GGR

溶液对欧李幼苗进行蘸根处理，采用PMA2500叶绿素荧光仪对荧光参数进行测定。[结果

]

电子传递效率（ETR）、实际光化学量子效率（ΦPSⅡ）、光化学猝灭（q

）和最大光化学效率（F

）在一定浓度范围内，随着PP

333

和GGR

溶液浓度的增大而增大，非光化学猝灭（q

）随着PP

333

和GGR

溶液浓度的增大而减小。[结论

]

欧李幼苗生长发育促进效果最佳的植物生长调节剂为GGR

，最佳浓度为200 mg/L，且同浓度GGR

对欧李幼苗荧光参数促进作用优于PP

333

。

Abstract

[Objective] To study the effects of paclobutrazol(PP333) and rooting powder(GGR6) on chlorophyll fluorescence parameters of Cerasus humilis

in order to provide scientific and theoretical basis for strong seedling cultivation techniques of C. humilis seedlings.[Methods] Single factor analysis was used to study the 1-year-old C. humilis seedlings

which were respectively dipped into PP333 and GGR6 with a concentration of 0

100

150 and 200mg/L

and the fluorescence was measured by PMA2500.[Results] With the increasing concentration of PP333 and GGR6

the electron transfer efficiency (ETR)

actual photochemical quantum efficiency (ΦPSⅡ)

photochemical quenching (qP) and maximum photochemical efficiency (Fv/Fm) were increased

while the non-photochemical quenching(qN) decreased.[Conclusion] The best plant growth regulator was GGR6

and the optimal concentration was 200 mg/L. With the same concentration

the effect of GGR6 on the fluorescence parameters of C. humilis seedlings was better than that of PP333.

关键词

Keywords

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