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Arbuscular mycorrhizal symbioses improved biomass allocation and reproductive investment of cherry tomato after root-knot nematodes infection

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Abstract

Aims and methods

This study aimed to evaluate the effects of four AMF inoculation treatments (Funneliformis mosseae, Rhizophagus intraradices, Glomus versiforme and a mixture of these three AMF strains) and Meloidogyne incognita inoculation on the growth and reproductive performance of cherry tomato (Solanum lycopersicum var. cerasiforme), and the effect of AMF on M. incognita density in soil under greenhouse conditions.

Results

The results showed that AMF colonization could alleviate the biomass decline of cherry tomato caused by M. incognita and could reduce the density of M. incognita in soil. Moreover, AMF colonization promoted the biomass allocation of aboveground parts to alleviate the consumption of photosynthetic products by belowground parts of cherry tomato. Different AMF inoculation treatments had different effects on the uptake of nitrogen and phosphorus in the aboveground and belowground parts after M. incognita infection and they had interactive effects, indicating that AMF played an important role in regulating nutrient uptake of cherry tomato after M. incognita infection, and there were functional differences among different species. Furthermore, AMF colonization increased flower and fruit weight, and the resource investment to seeds under the stress of M. incognita infection.

Conclusion

Our results clearly indicated that AMF significantly increased the growth and nitrogen uptake of cherry tomato inoculated by M. incognita. F. mosseae was the most effective treatment enhancing resistance to RKN and improving reproductive capacity of cherry tomato, indicating its application potential.

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Data availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

We grateful Professor Congli Wang of the Northeast Institude of Geography and Agroecology, Chinese Academy of Science, for provided a pure population of M. incognita. We thank four anonymous reviewers and Editor Stavros D. Veresoglou, they constructive comments improved this manuscript substantially.

Funding

This study was supported by the National Natural Science Foundation of China (31470446 and 31960228).

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Authors and Affiliations

Authors

Contributions

Lei Wang and Zhanhui Tang conceived the idea; Lei Wang collected and analyzed the data; Xin Chen and Lei Wang contributed to data analysis; Lei Wang wrote the first draft with revisions by Zhanhui Tang.

Corresponding author

Correspondence to Zhanhui Tang.

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The authors have no relevant financial or non-financial interests to disclose.

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Responsible Editor: Stavros D. Veresoglou.

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Wang, L., Chen, X. & Tang, Z. Arbuscular mycorrhizal symbioses improved biomass allocation and reproductive investment of cherry tomato after root-knot nematodes infection. Plant Soil 482, 513–527 (2023). https://doi.org/10.1007/s11104-022-05708-7

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  • DOI: https://doi.org/10.1007/s11104-022-05708-7

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