The interspecific competition of tree plants in the presence of AM fungi and litter facilitates root morphological development and nutrition when compared with intraspecific competition
© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature..
Arbuscular mycorrhizal (AM) fungi can affect plant growth by regulating competition. Nutrient-deficient karst habitats contain abundant plants that compete for nutrients through interspecific or intraspecific competition, involving the nutritional transformation of litter decomposition. However, how plant competition in the presence of AM fungi and litter affects root development and nutrition remains unclear. A potted experiment was conducted, including AM fungus treatment with or without Glomus etunicatum, the competition treatment concerning intraspecific or interspecific competition through planting Broussonetia papyrifera and Carpinus pubescens seedlings, and the litter treatment with or without the mixture of B. papyrifera and C. pubescens litter leaves. The root morphological traits were analyzed, and nitrogen (N), phosphorus (P), and potassium (K) were measured. The results showed that AM fungus differently affected the root morphological development and nutrition of both competitive plants, significantly promoting B. papyrifera roots in the increase of dry weight, length, volume, surface area, tips, and branches as well as N, P, and K acquisitions regardless of litter addition. However, there was no apparent influence for C. pubescens roots, except for the diameter in the interspecific competition with litter. The root dry weight, length, volume, surface area, and tips of B. papyrifera under two competitive styles were significantly greater than C. pubescens regulated by AM fungus, presenting significant species differences. The responses of the relative competition intensity (RCI) on root morphological and nutritional traits indicated that AM fungus and litter both asymmetrically alleviated more competitive pressure for B. papyrifera than C. pubescens, and the interspecific competition facilitated more root morphological development and nutrition utilization by endowing B. papyrifera root superiority relative to C. pubescens compared with the intraspecific competition. In conclusion, interspecific competition is more beneficial for plant root development and nutrition than intraspecific competition in the presence of AM fungus and litter via asymmetrically alleviating competitive pressure for different plants.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Environmental science and pollution research international - 30(2023), 33 vom: 07. Juli, Seite 80496-80511 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Guo, Yun [VerfasserIn] |
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| Links: |
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| Themen: |
Arbuscular mycorrhizal fungi |
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| Anmerkungen: |
Date Completed 17.07.2023 Date Revised 27.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s11356-023-28119-2 |
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| 245 | 1 | 4 | |a The interspecific competition of tree plants in the presence of AM fungi and litter facilitates root morphological development and nutrition when compared with intraspecific competition |
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| 520 | |a © 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. | ||
| 520 | |a Arbuscular mycorrhizal (AM) fungi can affect plant growth by regulating competition. Nutrient-deficient karst habitats contain abundant plants that compete for nutrients through interspecific or intraspecific competition, involving the nutritional transformation of litter decomposition. However, how plant competition in the presence of AM fungi and litter affects root development and nutrition remains unclear. A potted experiment was conducted, including AM fungus treatment with or without Glomus etunicatum, the competition treatment concerning intraspecific or interspecific competition through planting Broussonetia papyrifera and Carpinus pubescens seedlings, and the litter treatment with or without the mixture of B. papyrifera and C. pubescens litter leaves. The root morphological traits were analyzed, and nitrogen (N), phosphorus (P), and potassium (K) were measured. The results showed that AM fungus differently affected the root morphological development and nutrition of both competitive plants, significantly promoting B. papyrifera roots in the increase of dry weight, length, volume, surface area, tips, and branches as well as N, P, and K acquisitions regardless of litter addition. However, there was no apparent influence for C. pubescens roots, except for the diameter in the interspecific competition with litter. The root dry weight, length, volume, surface area, and tips of B. papyrifera under two competitive styles were significantly greater than C. pubescens regulated by AM fungus, presenting significant species differences. The responses of the relative competition intensity (RCI) on root morphological and nutritional traits indicated that AM fungus and litter both asymmetrically alleviated more competitive pressure for B. papyrifera than C. pubescens, and the interspecific competition facilitated more root morphological development and nutrition utilization by endowing B. papyrifera root superiority relative to C. pubescens compared with the intraspecific competition. In conclusion, interspecific competition is more beneficial for plant root development and nutrition than intraspecific competition in the presence of AM fungus and litter via asymmetrically alleviating competitive pressure for different plants | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Arbuscular mycorrhizal fungi | |
| 650 | 4 | |a Litter | |
| 650 | 4 | |a Plant competition | |
| 650 | 4 | |a Root morphological trait | |
| 650 | 4 | |a Root nutrient | |
| 700 | 1 | |a Shen, Kaiping |e verfasserin |4 aut | |
| 700 | 1 | |a Xia, Tingting |e verfasserin |4 aut | |
| 700 | 1 | |a He, Yuejun |e verfasserin |4 aut | |
| 700 | 1 | |a Ren, Wenda |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Pan |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Bangli |e verfasserin |4 aut | |
| 700 | 1 | |a Han, Xu |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jinting |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Xiaorun |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Jiao, Min |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Jiawei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Xionggui |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Hangcheng |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jingkun |e verfasserin |4 aut | |
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