Article (Scientific journals)
Biocontrol potential of Bacillus altitudinis AMCC1040 against root-knot nematode disease of ginger and its impact on rhizosphere microbial community
Wang, Jian-Yu; Guo, Cheng; Zhao, Peng et al.
2021In Biological Control, 158, p. 104598
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Keywords :
Bacillus altitudinis; Biological control; Ginger bark cracking disease (GBCD); Rhizosphere colonization; Rhizosphere microbial communities; Root-knot nematodes; Agronomy and Crop Science; Insect Science
Abstract :
[en] Root knot nematodes are one of the most destructive hemibiotrophic root pathogens that can cause ginger bark cracking disease in ginger planting areas around the world. There is an urgent need for sustainable alternatives methods, such as biological control. The nematicidal activity of Bacillus altitudinis AMCC1040 has been previously shown in vitro and in pot experiments. Here, field experiments were conducted to evaluate the biocontrol potential of Bacillus altitudinis AMCC1040 against ginger bark cracking disease, and to evaluate its ability to colonize the rhizosphere. In addition, we also evaluated its impact on the rhizosphere microbial communities. The results of biocontrol experiments demonstrated that the application of Bacillus altitudinis AMCC1040 can significantly inhibit nematode reproduction, inhibit root galling and reduce the severity of ginger bark cracking disease. In addition, Bacillus altitudinis AMCC1040 colonized steadily in ginger rhizosphere soil ranging from 5.08 to 5.49 Log10 CFU g−1 soils. Compared with fosthiazate (One of the most commonly used nematicides in China), Bacillus altitudinis AMCC1040 performed better in terms of bio-safety. Meanwhile, the taxa enriched in Bacillus altitudinis AMCC1040 treatment were found in Actinobacteria, Gemmatimonadetes and Firmicutes. This study demonstrated that Bacillus altitudinis AMCC1040 have a strong potential to control ginger bark cracking disease in the field. These results provide strong support for further exploration of the application of Bacillus spp. as biocontrol agents to control root knot nematodes in many crops. Furthermore, the occurrence of ginger bark cracking disease described in this study will be of great help to future prevention and control measures.
Disciplines :
Biotechnology
Microbiology
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Wang, Jian-Yu;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Guo, Cheng;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Zhao, Peng;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Yu, Feng-Yuan;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Su, Yue;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Qu, Jianping ;  Université de Liège - ULiège > TERRA Research Centre > Entomologie, Phytopathologie et Productions Innovantes (EPPI) ; Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Wang, Jia-Long;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Lin, Rong-Shan;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Wang, Bing;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Gao, Zheng;  State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, China
Yang, Zheng-You;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China
Zhou, Bo;  Department of Microbiology, College of Life Sciences, Shandong Agricultural University, Tai'an, China ; National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, Tai'an, China ; National Engineering & Technology Research Center for Slow and Controlled Release Fertilizers, Tai'an, China
Language :
English
Title :
Biocontrol potential of Bacillus altitudinis AMCC1040 against root-knot nematode disease of ginger and its impact on rhizosphere microbial community
Publication date :
July 2021
Journal title :
Biological Control
ISSN :
1049-9644
eISSN :
1090-2112
Publisher :
Academic Press Inc.
Volume :
158
Pages :
104598
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This work was supported by the National Key R&D Program of China ( 2017YFD0201100 ), Major Applied Agricultural Technology Innovation Projects of Shandong Province (SD2019ZZ009), Melon and Vegetable Industry Technology Collaborative Innovation Center of Ningxia Hui Autonomous Region and Joint funds of Shandong Province (2017DC55) and Qingdao ZIPNOW Bio-organic Fertilizer R & D Project (2018-1-1289).
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