|Table of Contents|

Physiological Characteristics Effects of Mn Stress on Rabbiteye Blueberry ‘Gardenblae’

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年12
Page:
34-38
Research Field:
Publishing date:

Info

Title:
Physiological Characteristics Effects of Mn Stress on Rabbiteye Blueberry ‘Gardenblae’
Author(s):
DONG Shanshan1; YANG Haiyan1; WU Wenlong1; LYU Lianfei1; LI Weilin2
(1.Institute of Botany，Jiangsu Province and Chinese Academy of Sciences，Nanjing,Jiangsu 210014;2.Co-innovation Center for the Sustainable Forestry in Southern China/College of Forestry，Nanjing Forestry University，Nanjing,Jiangsu 210037)
Keywords:
blueberry; Mn stress; physiological resistance
PACS:
-
DOI:
10.11937/bfyy.20183603
Abstract:
The physiological and structural changes of blueberry leaves under different concentrations of Mn2+ were studied by pot experiment with rabbiteye blueberry ‘Gardenblue’ as material.Under Mn2+ stress，the contents of chlorophyll (Chl)，carotenoid (Car) and soluble protein (SP) increased first and then decreased;hydrogen peroxide (H2O2) and proline (Pro) contents decreased，Malondialdehyde (MDA) content decreased under 10 mmol?L-1 Mn2+ treatment，salicylic acid (SA) and ethylene precursor (ACC) content increased and abscisic acid (ABA) content was stable before 10 mmol?L-1 Mn2+ treatment;leaf stomata and epidermal cells did not change significantly.In summary，‘Gardenblue’ had a certain tolerance to excess manganese，and 1.0-5.0 mmol?L-1 Mn2+ treatment concentration was suitable for its growth.

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Last Update: 2019-07-17