Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants
The genus <i>Trichoderma</i> comprises a group of fungi known for their beneficial effects on plant growth and stress tolerance. Light is a key environmental factor affecting many plant physiological processes. However, a significant research gap remains regarding the interaction between...
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2025-05-01
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| author | Ningyu Wang Qihui Xu Congrui Qin Lijiahong Geng Zhenglin Yan Haolong Li Golam Jalal Ahammed Shuangchen Chen |
| author_facet | Ningyu Wang Qihui Xu Congrui Qin Lijiahong Geng Zhenglin Yan Haolong Li Golam Jalal Ahammed Shuangchen Chen |
| author_sort | Ningyu Wang |
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| description | The genus <i>Trichoderma</i> comprises a group of fungi known for their beneficial effects on plant growth and stress tolerance. Light is a key environmental factor affecting many plant physiological processes. However, a significant research gap remains regarding the interaction between light quality and <i>Trichoderma harzianum</i> inoculation, particularly their combined effects on tomato plant growth and photosynthetic efficiency. Here, we showed that <i>T. harzianum</i> inoculation effectively alleviated the growth inhibition caused by monochromatic red light or blue light in tomato plants. Combined red and blue light treatment with <i>T. harzianum</i> inoculation (RBT) promoted root development by regulating the rational distribution of carbon assimilation products. Specifically, the RBT treatment upregulated the expression of photosynthesis-related genes, including key Calvin cycle enzyme genes such as <i>FBPase</i>, <i>FBPA</i>, <i>TPI</i>, and <i>SBPase</i>, as well as the light signal transduction factor <i>HY5.</i> In addition, <i>T. harzianum</i> inoculation increased the maximal photochemical efficiency of PSII (Fv/Fm), and the net photosynthetic rate (Pn). The activity of sucrose synthetase (SS) and sucrose phosphate synthetase (SPS) was also enhanced, promoting photosynthetic product accumulation in leaves and roots. Among all treatment groups, RBT performed the best in the above indexes. |
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| series | Agronomy |
| spelling | doaj-art-960f26f1c40a4a3d917f9a0f656e45bb2025-06-25T13:20:29ZengMDPI AGAgronomy2073-43952025-05-01156136210.3390/agronomy15061362Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato PlantsNingyu Wang0Qihui Xu1Congrui Qin2Lijiahong Geng3Zhenglin Yan4Haolong Li5Golam Jalal Ahammed6Shuangchen Chen7College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaCollege of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, ChinaThe genus <i>Trichoderma</i> comprises a group of fungi known for their beneficial effects on plant growth and stress tolerance. Light is a key environmental factor affecting many plant physiological processes. However, a significant research gap remains regarding the interaction between light quality and <i>Trichoderma harzianum</i> inoculation, particularly their combined effects on tomato plant growth and photosynthetic efficiency. Here, we showed that <i>T. harzianum</i> inoculation effectively alleviated the growth inhibition caused by monochromatic red light or blue light in tomato plants. Combined red and blue light treatment with <i>T. harzianum</i> inoculation (RBT) promoted root development by regulating the rational distribution of carbon assimilation products. Specifically, the RBT treatment upregulated the expression of photosynthesis-related genes, including key Calvin cycle enzyme genes such as <i>FBPase</i>, <i>FBPA</i>, <i>TPI</i>, and <i>SBPase</i>, as well as the light signal transduction factor <i>HY5.</i> In addition, <i>T. harzianum</i> inoculation increased the maximal photochemical efficiency of PSII (Fv/Fm), and the net photosynthetic rate (Pn). The activity of sucrose synthetase (SS) and sucrose phosphate synthetase (SPS) was also enhanced, promoting photosynthetic product accumulation in leaves and roots. Among all treatment groups, RBT performed the best in the above indexes.https://www.mdpi.com/2073-4395/15/6/1362spectral conditionsmycorrhizal symbiosisseedling growthsoil enzyme activityphotosynthetic efficiencycarbon metabolism |
| spellingShingle | Ningyu Wang Qihui Xu Congrui Qin Lijiahong Geng Zhenglin Yan Haolong Li Golam Jalal Ahammed Shuangchen Chen Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants Agronomy spectral conditions mycorrhizal symbiosis seedling growth soil enzyme activity photosynthetic efficiency carbon metabolism |
| title | Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants |
| title_full | Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants |
| title_fullStr | Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants |
| title_full_unstemmed | Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants |
| title_short | Synergistic Effects of <i>Trichoderma harzianum</i> and Light Quality on Photosynthetic Carbon Metabolism and Growth in Tomato Plants |
| title_sort | synergistic effects of i trichoderma harzianum i and light quality on photosynthetic carbon metabolism and growth in tomato plants |
| topic | spectral conditions mycorrhizal symbiosis seedling growth soil enzyme activity photosynthetic efficiency carbon metabolism |
| url | https://www.mdpi.com/2073-4395/15/6/1362 |
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