|Table of Contents|

Colonization and Symbiosis Between Arbuscular Mycorrhizal Fungi and Pepper in Field

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年05
Page:
56-60
Research Field:
Publishing date:

Info

Title:
Colonization and Symbiosis Between Arbuscular Mycorrhizal Fungi and Pepper in Field
Author(s):
LOU Xuan1; 2; TAO Gang2; WANG Nian2; MAO Tingting2; ZHAO Dailin2
(1.School of Life Science，Guizhou Normal University，Guiyang，Guizhou 550000;2.Institute of Plant Protection，Guizhou Academy of Agricultural Sciences，Guiyang，Guizhou 550006)
Keywords:
arbuscular mycorrhizal fungus; pepper; symbiosis; colonization; spore density
PACS:
-
DOI:
10.11937/bfyy.20182672
Abstract:
The pepper plants and their rhizospheric soil samples from 3 pepper planting sites,Guiyang in Guizhou Province were collected as experimental materials.The AMF spores were extracted from soil samples by using optimized wet sieve decantation and sucrose centrifugation method，and the spore density in pepper rhizosphere was measured.The root samples of pepper were stained by the method of lactic acid glycerol staining，and the AMF colonization and their structures of arbuscular mycorrhizae (AM) in pepper roots were checked under the microscope.The AMF colonization rate，colonization intensity and arbuscular abundance were counted on the basis of the method of colonization grade intensity.The colonization and symbiosis between arbuscular mycorrhizal fungi (AMF) and pepper under natural conditions were primarily investigated.This study would provide the basis and reference for further research of the AMF roles for the cultivation and production of pepper.The results showed that AMF colonization and their AM structures within pepper roots were discovered among different sample sites，and the colonization rate was above 70%.Meanwhile，there were abundant AMF spores in rhizosphere of pepper at different sites，with an average of 6 spores?g-1 soil.The AMF colonization rate，colonization intensity and rhizospheric spore density were different among sample sites.With increasing the AMF colonization intensity，the AM abundance and rhizospheric spore density also increased.In this study，it was found that there were rich AMF in the pepper rhizosphere，and they could colonise in pepper roots and formed symbionts with pepper under the natural conditions.

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Last Update: 2019-04-01