|Table of Contents|

Effects of Different Soil pH on Photosynthesis of Blueberries(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年13
Page:
31-37
Research Field:
Publishing date:

Info

Title:
Effects of Different Soil pH on Photosynthesis of Blueberries
Author(s):
HUANGFU Shinan; GAO Qingyu; ZHANG Bingxiu; WEI Yuanyuan; ZHANG Yu; ZHANG Zhao
(College of Horticulture and Landscape Architecture，Northeast Agricultural University，Harbin，Heilongjiang 150030)
Keywords:
blueberries; soil pH; photosynthesis
PACS:
-
DOI:
10.11937/bfyy.20164656
Abstract:
The three-year-old blueberry of ‘Northland’‘Duke’‘Sierra’‘Berkeley’were used as test materials，via potted method，using sulfur powder to adjust soil pH，photosynthesis and chlorophyll fluorescence parameters under annual branches leaves in different soil pH treatment (pH 3.42，4.27，4.75，5.84，6.83) determined.Photosynthetic physiological changes of blueberry leaf under different pH were studied，to provide theoretical guidance for the production of large-area cultivation of high quality blueberry to choose suitable pH of soil.The results showed that four species of chlorophyll content and photosynthetic rate (Pn) firstly decreased then rised with pH increasing and intercellular CO2 concentration with counter trend，both achieved optimal value in T3 treatment，while no significant changes in stomatal conductance and transpiration rate.Chlorophyll content order was ‘Berkeley’> ‘Northland’> ‘Duke’，net photosynthetic rate order was ‘Northland’> ‘Duke’> ‘Berkeley’> ‘Sierra’.Photosynthesis of ‘Sierra’ was most affected by soil pH.Fm，Fv，Fv/Fm，ΦPSII value were first up and then down with increase pH trends，Fo value showed the opposite trend.Fluorescence parameters showed blueberries blade subject to greater light suppression under pH 3.42 and pH 6.83，and too many blueberries energy dissipated as heat.Overall，the most appropriate growth of blueberries was pH 4.75.‘Sierra’ was greatly influenced by soil pH，‘Northland’ ‘Duke’ ‘Sierra’ and ‘Berkeley’ had greater adaptability.

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Last Update: 2017-07-17