不同植物驯化的土壤微生物对小麦生长的影响

doi:10.14088/j.cnki.issn0439-8114.2025.06.007

摘要/Abstract

摘要： 为探究不同植物驯化的土壤微生物群落对小麦（Triticum aestivum L.）生长的影响,以济麦22为材料开展控制试验,共设置7个处理,分别为不接种微生物（CK1）、接种小麦驯化的土壤微生物（CK2）、接种白菜驯化的土壤微生物（T1）、接种狗尾草驯化的土壤微生物（T2）、接种苜蓿驯化的土壤微生物（T3）、接种弃耕农田的土壤微生物（T4）、接种林地的土壤微生物（T5）。结果表明,不同处理对小麦地上和地下生物量均有显著影响,其中T1处理生物量最高;不同处理间小麦株高、叶面积、比叶面积和根冠比差异显著;不同处理间小麦蒸腾速率和光合速率差异显著,且光合速率与株高呈显著正相关（r=0.74,P<0.001）,与比叶面积呈显著负相关（r=-0.49,P=0.030）。综上,不同植物驯化的土壤微生物对小麦生长有显著影响,且小麦能量分配策略和生理状态变化可能介导了该过程,表明该方法在调控小麦生长上具有可行性和一定潜力。

关键词: 土壤微生物, 植物驯化, 小麦（Triticum aestivum L.）, 生长

Abstract: In order to explore the effects of soil microorganisms domesticated by different plants on wheat （Triticum aestivum L.） growth, a controlled experiment was conducted using the cultivar Jimai 22 as the target crop. Seven treatments were established, including non-inoculated microorganisms control (CK1), inoculation with wheat-domesticated soil microorganisms(CK2), inoculation with Chinese cabbage (Brassica rapa)-domesticated soil microorganisms, inoculation with green foxtail (Setaria viridis)-domesticated soil microorganisms (T2), inoculation with alfalfa (Medicago sativa)-domesticated soil microorganisms (T3), inoculation with abandoned farmland soil microorganisms (T4) and inoculation with woodland soil microorganisms (T5). The results showed that all treatments significantly affected wheat aboveground and belowground biomass, with T1 showing the highest biomass accumulation. Significant differences were observed in plant height, leaf area, specific leaf area (SLA), and root-to-shoot ratio among treatments. Transpiration and photosynthetic rates varied significantly across treatments. Photosynthetic rate showed a significantly positive correlation with plant height (r=0.74, P<0.001) and a significantly negative correlation with SLA (r=-0.49, P=0.030). In summary, soil microorganisms domesticated by different plants affected wheat growth significantly, and this might be mediated by changes in wheat energy allocation strategy and physiological status. The research indicated this method was feasible and had certain potential in regulating wheat growth.

Key words: soil microorganism, domesticated by plant, wheat（Triticum aestivum L.）, growth

中图分类号:

S512.1
S154

任泉静, 卢宗琪, 李宇航, 顾海萍, 杨毅, 任伟征. 不同植物驯化的土壤微生物对小麦生长的影响[J]. 湖北农业科学, 2025, 64(6): 33-38.

REN Quan-jing, LU Zong-qi, LI Yu-hang, GU Hai-ping, YANG Yi, REN Wei-zheng. Effects of soil microorganisms domesticated by different plants on wheat growth[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(6): 33-38.

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