|Table of Contents|

Alleviating Effects of Different Measures on Phenolic Acids Toxicity in  Cucumber Seedling Under Shed Protection(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年08
Page:
38-44
Research Field:
Publishing date:

Info

Title:
Alleviating Effects of Different Measures on Phenolic Acids Toxicity in  Cucumber Seedling Under Shed Protection
Author(s):
GU Xin; CHEN Tianxiang; SUN Quan
(School of Agriculture，Ningxia University，Yinchuan，Ningxia 750021)
Keywords:
cucumber; phenolic acid; fertilization; alleviation
PACS:
-
DOI:
10.11937/bfyy.201708010
Abstract:
‘JinchunⅤ’cucumber was used as test material.A pot experiment was conducted with cucumber seedling growing under plastic greenhouse.The applied phenolic acids were cinnamic acid and p-hydroxy benzoic acid.Absolute control used neither fertilizer nor phenolic acid(CK).Relative comparison used different phenolic acid singly(100 mg?kg-1 soil)(T0).Four fertilizer treatments were carbonized maize cob(T1)，biological organic fertilizer(T2)，carbonized maize cob cooperated with biological organic fertilizer(T3)，carbonized maize cob cooperated with biological organic fertilizer and microbial fertilizer(T4).The results showed that the reactions of seedlings had discrepancy in poison of two phenolic acids，and the alleviating effects of different fertilizers had distinction in it.The suppressive effect of cinnamic acid on main root length was more than p-hydroxybenzoic acid，but p-hydroxybenzoic acid had significant inhibitory effects on the root activity，plant height，root shoot ratio and underground fresh weight compared with cinnamic acid.In the exogenous cinnamic acid group，the content of MDA reduced in leaves，stem diameter and main root length increased and relative permeability of cell membranes kept proper level in T3.The root activity，SOD activity and plant height increased in T1.The Root volume，underground fresh weight and root shoot ratio increased in T4.The POD activity and aboveground fresh weight increased in T2.In the exogenous p-hydroxy benzoic acid group，the content of MDA reduced in leaves，chlorophyll content，SOD activity，POD activity，underground fresh weight and root shoot ratio increased in T3.The plant height，stem diameter and main root length increased in T2.The root activity and volume increased in T4.In this experiment，the application of appropriate mitigation measures could reduce the toxicity of phenolic acid in the soil.

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Last Update: 2017-05-02