| 黄海洲,罗旦,陈吉祥,王天烽,张庆芳,王永刚.溶磷菌对番茄幼苗生长及土壤磷素的影响[J].农业环境科学学报,2025,44(12):3181-3189. |
| 溶磷菌对番茄幼苗生长及土壤磷素的影响 |
| Effects of phosphorus-solubilizing bacteria on tomato seedling growth and soil phosphorus availability |
| 投稿时间：2024-12-19 |
| DOI：10.11654/jaes.2024-1110 |
| 中文关键词: 溶磷菌 番茄 根际土 理化性质 微生物 |
| 英文关键词: phosphorus-solubilizing bacteria tomato rhizosphere soil physical and chemical properties microbial |
| 基金项目:国家自然科学基金项目（42267017）；甘肃省青年科技基金项目（24JRRA970）；兰州理工大学红柳优青项目（062404） |
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| 中文摘要: |
| 利用盆栽试验研究溶磷菌Acinetobacter baumannii （鲍曼不动杆菌）B6和Burkholderia cepacia（伯克霍尔德菌）Z7对番茄幼苗生长发育指标，根际土壤理化性质、酶活性及微生物群落多样性的影响。结果表明：施加溶磷菌显著促进了番茄幼苗株高和茎粗的增长，其中复合菌株（B6+Z7）处理效果最佳，株高和茎粗分别增加了6.36%和12.35%。此外，溶磷菌处理显著提高了番茄叶片中过氧化物酶（POD）活性和可溶性糖含量，降低了丙二醛（MDA）含量，表明溶磷菌能够增强番茄幼苗的抗逆性。在土壤性质方面，复合菌株处理组显著提高了土壤全磷含量（增幅为4.35%）、速效磷含量（增幅为10.58%）和磷酸酶活性（增幅为5.26%）。而且，施加溶磷菌显著提高了番茄根际土壤细菌Simpson指数，即微生物物种多样性，增加了变形菌门、酸杆菌门和拟杆菌门的相对丰度。 |
| 英文摘要: |
| A pot experiment was conducted to investigate the effects of phosphorus-solubilizing bacteria Acinetobacter baumannii（B6）and Burkholderia cepacia（Z7） on tomato seedling growth parameters, rhizosphere soil physicochemical properties, enzyme activity, and microbial community diversity. The results showed that the application of phosphorus-solubilizing bacteria significantly promoted the increase in plant height and stem diameter of tomato seedlings, with the combined strain（B6+Z7）exhibiting the best effect, increasing plant height and stem diameter by 6.36% and 12.35%, respectively. In addition, phosphorus-solubilizing bacteria treatment significantly enhanced peroxidase（POD）activity and soluble sugar content in tomato leaves while reducing malondialdehyde（MDA）content, indicating improved stress resistance in tomato seedlings. In terms of soil properties, the combined strain treatment significantly increased total phosphorus content（by 4.35%）, available phosphorus content（by 10.58%）, and phosphatase activity（by 5.26%）in the soil. Moreover, the application of phosphorus-solubilizing bacteria significantly increased the Simpson index of rhizosphere soil bacteria, indicating enhanced microbial diversity, and led to a higher relative abundance of Proteobacteria, Acidobacteriota, and Bacteroidota. |
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