|Table of Contents|

Effects of PP333 on Seedling Growth and Chlorophyll Fluorescence Parameters of Prunus triloba

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年06
Page:
47-54
Research Field:
Publishing date:

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Title:
Effects of PP333 on Seedling Growth and Chlorophyll Fluorescence Parameters of Prunus triloba
Author(s):
QIN Jiajia1; ZHANG Jihong2; LUO Sumei3; JIA Wanmei4; WEI Xuying5
(1.Department of Landscape Engineering，Jiangxi Biotech Vocational College，Nanchang,Jiangxi 330200；2.Institute of Landscape Planning and Design，Jiangxi Academy of Forestry，Nanchang，Jiangxi 330013；3.Ganzhou Vegetable and Flower Research Institute,Gannan Academy of Sciences，Ganzhou，Jiangxi 341413；4.Jiangxi Provincial Center of Forest-related Ecological Project Construction,...
Keywords:
growth index; chlorophyll content; chlorophyll fluorescence parameter; PP333; Prunus triloba
PACS:
-
DOI:
10.11937/bfyy.20223375
Abstract:
Taking one-year-old Prunus triloba seedlings as experimental materials，single factor analysis was used to study the effects of PP333 on growth index，chlorophyll content and chlorophyll fluorescence parameters of Prunus triloba seedlings at different concentrations(0(CK)，50，100，150,200 mg?L-1),in order to select the most favorable PP333 concentration for the growth of Prunus triloba seedlings.The results showed that PP333 could effectively reduce the height and increase the basal diameter of Prunus triloba seedlings，and the best effect was achieved at a concentration of 150 mg?L-1.The PP333 increased the chlorophyll content in leaves of Prunus triloba seedlings.As the concentration of PP333 increased，chlorophyll content showed a trend of increasing and then decreasing.Among them，compared with CK，chlorophyll a (Chl a)，chlorophyll b (Chl b) and total chlorophyll (Chl t) increased by 20.58%-38.81%，16.28%-95.27% and 24.64%-54.99%，respectively.The PP333 solution was beneficial for the increase of electron transport rate (ETR)，actual photochemical efficiency (ΦPSⅡ)，photochemical quenching (qP) and maximum photochemical efficiency (Fv/Fm) and the decrease of non-photochemical quenching (qN) in leaves of Prunus triloba seedlings.Correlation analysis showed that Chl a，Chl b and Chl t were positively correlated with ETR，ΦPSⅡ，qP and basal diameter，and negatively correlated with qN and plant height.The comprehensive analysis showed that 150 mg?L-1 was the best concentration suitable for the growth and development of Prunus triloba seedlings.

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Last Update: 2023-04-13