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Effects of different patterns of tillage combined with straw returning on endophytic bacterial diversity in maize
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Yujing LIU1, Shengcai HAN1, 2, Julin GAO1, 2, *, Xiaofang YU1, 2, *, Ge'er QING1, 2, Shuping HU1, 2, 3, Jiang'an GUO1, Xiaoyu ZHAO1
Acta Microbiologica Sinica | 2024, 64(7) : 2522 - 2538
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Acta Microbiologica Sinica | 2024, 64(7): 2522-2538
• Research Articles •
Effects of different patterns of tillage combined with straw returning on endophytic bacterial diversity in maize
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Yujing LIU1, Shengcai HAN1, 2, Julin GAO1, 2, *, Xiaofang YU1, 2, *, Ge'er QING1, 2, Shuping HU1, 2, 3, Jiang'an GUO1, Xiaoyu ZHAO1
Affiliations
  • 1 Inner Mongolia Autonomous Region Key Laboratory of Crop Cultivation and Genetic Improvement, Hohhot 010019, Inner Mongolia, China
  • 2 Inner Mongolia Autonomous Region Engineering Research Center for in situ Returning Microorganisms of Corn Straw, Baotou 014100, Inner Mongolia, China
  • 3 Vocational and Technical College of Inner Mongolia Agricultural University, Baotou 014100, Inner Mongolia, China
Published: 2024-07-04 doi: 10.13343/j.cnki.wsxb.20240003
Outline
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[Objective] To reveal the composition and functions of endophytic bacterial communities in maize under different patterns of tillage combined with straw returning in the Tumochuan Plain, identify the endophytic bacterial resources that promote maize straw degradation under different patterns, and lay a foundation for the selective isolation, cultivation, and functional verification. [Methods] We employed Illumina MiSeq high-throughput sequencing to compare the diversity and community structure of endophytes during the mature stage of maize under different patterns of tillage combined with straw returning in the continuous positioning experiment in the irrigation area of Tumochuan Plain, Inner Mongolia Autonomous Region. [Results] No tillage and deep tillage demonstrated significant effects on the endophytic bacterial diversity of maize. Tillage methods exerted stronger effects on the composition and structure of endophytic bacterial community than straw returning. The structures of endophytic bacterial communities in maize can be classified into two categories: no tillage combined with straw returning and the other seven patterns. The dominant endophytic bacterial genera shared by the nine patterns of tillage combined with straw returning werePseudomonas, unclassified_f__Enterobacteriaceae,Pantoea,Raoultella, andRahnella1. Straw returning increased the abundance ofRaoultella and unclassified_f__Enterobacteriaceae. [Conclusion] Different tillage practices alter the diversity, composition, and structure of endophytic bacterial community in maize. Straw returning can increase the relative abundance ofRaoultella andLactococcus, which have positive effects on the degradation of maize straw.

tillage practices  /  endophyte  /  straw returning
Yujing LIU, Shengcai HAN, Julin GAO, Xiaofang YU, Ge'er QING, Shuping HU, Jiang'an GUO, Xiaoyu ZHAO. Effects of different patterns of tillage combined with straw returning on endophytic bacterial diversity in maize[J]. Acta Microbiologica Sinica, 2024 , 64 (7) : 2522 -2538 . DOI: 10.13343/j.cnki.wsxb.20240003
Funding
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  • National Key Research and Development Program of China(2023YFD2301801)
  • National Natural Science Foundation of China(32060434)
  • National Natural Science Foundation of China(31960381)
  • Basic Research Funds Program for University of Inner Mongolia Autonomous Region(BR22-11-07)
  • Inner Mongolia Autonomous Region Science and Technology Plan(2023KYPT0023)
  • Inner Mongolia Autonomous Region Higher Education Carbon Peak and Carbon Neutrality Research Project(STZX202304)
Appendix
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Year 2024 volume 64 Issue 7
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Article Info
doi: 10.13343/j.cnki.wsxb.20240003
  • Receive Date：2024-01-03
  • Online Date：2026-03-19
  • Published：2024-07-04
Article Data
Affiliations
History
  • Received：2024-01-03
  • Accepted：2024-04-10
Funding
National Key Research and Development Program of China(2023YFD2301801)
National Natural Science Foundation of China(32060434)
National Natural Science Foundation of China(31960381)
Basic Research Funds Program for University of Inner Mongolia Autonomous Region(BR22-11-07)
Inner Mongolia Autonomous Region Science and Technology Plan(2023KYPT0023)
Inner Mongolia Autonomous Region Higher Education Carbon Peak and Carbon Neutrality Research Project(STZX202304)
Affiliations
    1 Inner Mongolia Autonomous Region Key Laboratory of Crop Cultivation and Genetic Improvement, Hohhot 010019, Inner Mongolia, China
    2 Inner Mongolia Autonomous Region Engineering Research Center for in situ Returning Microorganisms of Corn Straw, Baotou 014100, Inner Mongolia, China
    3 Vocational and Technical College of Inner Mongolia Agricultural University, Baotou 014100, Inner Mongolia, China

Corresponding:

*GAO Julin, E-mail:;
YU Xiaofang, E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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