|Table of Contents|

Interaction Between AM Fungi and Root-knot Nematode on the Physiological Characteristics of Cucumber Seedlings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年05
Page:
9-13
Research Field:
Publishing date:

Info

Title:
Interaction Between AM Fungi and Root-knot Nematode on the Physiological Characteristics of Cucumber Seedlings
Author(s):
LI XuzhenJIANG YonghuaCHEN Shuxia
(College of Horticulture,Northwest Agriculture and Forestry University/Key Laboratory of Horticultural Plant Germplasm Resources Utilization in Northwest China,Yangling,Shaanxi 712100)
Keywords:
cucumberArbuscular mycorrhizaMeloidogyne sp.enzyme activity
PACS:
-
DOI:
10.11937/bfyy.201605003
Abstract:
Taking cucumber as material,the cucumber seedlings were inoculated with root-knot nematode (Meloidogyne sp.) after sowing 30 days,pre-inoculated with Glomus versiforme and then inoculated with Meloidogyne sp.(G.v+M.),and pre-inoculated with Glomus inartradiees and then inoculated with Meloidogyne sp.(G.i+M.) separately,and normal cultivation as control.The effect of interaction between AM fungi and root-knot nematode on physiological changes was conducted based on the pot cultivation cucumber seedlings.The results showed that the activities of PAL,PPO and contents of polyphenol reached the highest at 144 h,72 h,288 h respectively after inoculating with root-knot nematode;the activity of PAL and PPO and contents of polyphenol increased in the treatments which inoculated with AM fungi.It showed that the resistance to root-knot nematode was enhanced because of inoculating with AM fungi.The content of MDA in the treatments inoculated with AM fungi was lower than that of control and the damage of plasmalemma peroxide caused by Meloidogyne sp. decreased.In one word,the higher PAL and PPO activities of the cucumber seedlings were elicited,and the polyphenol substances accumulated after inoculating with AM fungi,the resistance of Meloidogyne sp. was increased,cell membrane integrity was maintained.The protect effect of G.v was better than that of G.i on cucumber seedlings.

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Last Update: 2016-04-25