Maltose and Totally Impermeable Film Enhanced Suppression of Anaerobic Soil Disinfestation on Soilborne Pathogens and Increased Strawberry Yield

Zhaoxin Song, Dongdong Yan, Wensheng Fang, Bin Huang, Xianli Wang, Daqi Zhang, Jiahong Zhu, Jie Liu, Canbin Ouyang, Yuan Li, Qiuxia Wang, Sebastien Massart and Aocheng Cao
Additional contact information
Zhaoxin Song: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Dongdong Yan: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Wensheng Fang: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Bin Huang: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Xianli Wang: Institute for Agro-food Standards and Testing Technology, Shanghai Academy of Agricultural Science, Shanghai 201106, China
Daqi Zhang: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Jiahong Zhu: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Jie Liu: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Canbin Ouyang: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Yuan Li: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Qiuxia Wang: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Sebastien Massart: Integrated and Urban Phytopathology Laboratory, Liege University, Gembloux Agro-Bio Tech, Passage des Deportes 2, 5030 Gembloux, Belgium
Aocheng Cao: Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China

Sustainability, 2020, vol. 12, issue 13, 1-21

Abstract: Anaerobic soil disinfestation (ASD) is widely used to control soilborne diseases in organic crop production. The effect of ASD used different sealed films on soilborne pathogens and strawberry growth was evaluated in two laboratory studies and two field trials. Under maltose as carbon sources, 28 °C temperature and 30% of soil moisture optimal conditions ASD decreased Fusarium spp. and Phytophthora spp. by 100%. ASD used maltose as an organic amendment and sealed with totally impermeable film (TIF) obtained the highest suppression (>96%) against Fusarium spp. and Phytophthora spp. (>91%). According to the laboratory results, the efficacy of ASD utilizing 6 or 9 t/ha maltose and sealing with TIF was evaluated and compared with reference treatment with chloropicrin (Pic) or solarization (Sol) in the field trials. Compared with the untreated soil, ASD treatments greatly reduced the pathogenic population of Fusarium spp. and Phytophthora spp., and successfully controlled the damage of fusarium wilt with evidence of lower mortality (6%). ASD significantly increased soil nutrition promoted plant growth and increased strawberry yield, which was similar as the Pic, but better than Sol treatment. The analyzed fungal and bacterial microbiota did not show significant differences in the taxonomic richness and diversity between the compared treatments. Nevertheless, the abundance of some bacterial and fungal taxa tended to change between treated. The evidence showed that adding maltose and sealing TIF for ASD has the potential to replace Pic for pathogen control in commercial strawberry production.

Keywords: anaerobic soil disinfestation; sealing tarps; soil physicochemical properties; soil bacterial and fungal community; strawberry fruit yield (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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