|Table of Contents|

Ecological Characteristics of Tomato Rhizosphere Soil Nematode in Jinan Plastic-film Shed Field

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年01
Page:
82-89
Research Field:
Publishing date:

Info

Title:
Ecological Characteristics of Tomato Rhizosphere Soil Nematode in Jinan Plastic-film Shed Field
Author(s):
ZHANG LuyuanWANG ZhenhuaWU Haiyan
(College of Agriculture,Guangxi University/Guangxi Key Laboratory of Agric-Environment and Agric-products Safety,Nanning, Guangxi 530004)
Keywords:
planting yearsgreenhousenematodes communityindex
PACS:
-
DOI:
10.11937/bfyy.20191393
Abstract:
The nematodes in greenhouse soil of different years in Jinan city,Shandong Province were investigated in this study.The results showed that a total of 86 171 soil nematode individuals were captured,and fell into 15 families,30 genera.The dominant genera were Cephalobus and Protorhabditis.Bacterivores were dominant trophic group accounting for 73.00%-97.74% and c-p2 nematodes were the most in number.Shannon-Winner index (H′),Simpson index (D),Pielou index (J),Margalef index (SR) and density-group index (DG) were low,which showed that the disturbance degree by people were greater;Wasleska index (WI) and maturity index of free living nematodes(MI) gradually decreased during 6-10 years,plant parasite index (PPI) and PPI/MI value changes irregularly during 1-10 years,so the disturbance intensity became higher and higher after 5 years.Community structure of soil nematodes changed little with different years and soil organic matters were mainly decomposed by bacteria.Relevance and significance of variance analysis indicated that there was no significant correlation between total N,total P,total K content and numbers of nematode (P>0.05).The number of root-knot nematodes,total N,total P and total K presented a periodic change about 3 years.Therefore,the multi-index of soil nematode as an important indicator of environmental assessment for greenhouse soil could be used.

References:

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Last Update: 2020-01-14