接种摩西柄囊霉对连作大豆苗期根腐病病原真菌多样性的影响

范雪露,崔佳琦,蔡柏岩

中国农学通报. 2014, 30(31): 272-279

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中国农学通报 ›› 2014, Vol. 30 ›› Issue (31) : 272-279. DOI: 10.11924/j.issn.1000-6850.2014-2048
植物保护 农药

接种摩西柄囊霉对连作大豆苗期根腐病病原真菌多样性的影响

  • 范雪露,崔佳琦,蔡柏岩
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Funneliformis mosseas on Soybean Seedling Root Rot Fungi Diversity of Continuous Cropping

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摘要

通过对不同连作年限的3个大豆品种接种F.mosseas,分析大豆根腐病高发期苗期根系致病真菌的多样性,旨在证明接种F.mosseas能否抑制根腐病病原真菌对大豆根系的侵染,减轻大豆根腐病的发生。采用PCR-DGGE技术分析不同连作年限大豆苗期根系根腐病病原真菌的多样性变化,同时对DGGE图谱进行丰度、优势度、多样性分析。结果表明:接种F.mosseas对大豆根系根腐病病原真菌的多样性具有显著的影响,多样性批数明显下降,说明接种F.mosseas对连作大豆根腐病致病真菌的生长具有抑制作用。因此,为采用AM菌剂预防连作大豆根腐病的发生进行了有益的探索,对解决连作大豆根腐病发生具有重要的实践意义。

Abstract

In this study, the author inoculated F.mosseas to the three soybean varieties of different continuous cropping years to analyze the diversity of fungi during the high-incidence of seedling root rot. In order to inhibit the fungi infect the root of soybean and to reduce the incidence of root rot. Polymerase Chain Reaction-Denaturing Gradient Gel Electrophoresis (PCR- DGGE) was used to analyze the diversity of fungi in the seedling of continuous cropping and the abundance, dominance and index of diversity from DGGE profiles. The results showed that: inoculated F.mosseas had a significant effect on the diversity of fungi and decreased the index of diversity significantly. The study stated that F.mosseas could inhibit the growth of the root rot fungi in the continuous cropping. Therefore, the study has a practical significance on exploring AMF prevention of the incidence of root rot fungi in the continuous cropping.

关键词

大豆;F.mosseas;根腐病病原真菌;PCR-DGGE

Key words

soybean; F. mosseas; root rot fungi; PCR-DGGE

引用本文

导出引用
范雪露,崔佳琦,蔡柏岩. 接种摩西柄囊霉对连作大豆苗期根腐病病原真菌多样性的影响. 中国农学通报. 2014, 30(31): 272-279 https://doi.org/10.11924/j.issn.1000-6850.2014-2048
Funneliformis mosseas on Soybean Seedling Root Rot Fungi Diversity of Continuous Cropping. Chinese Agricultural Science Bulletin. 2014, 30(31): 272-279 https://doi.org/10.11924/j.issn.1000-6850.2014-2048

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