The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments
Banana plants require substantial nutrients, and their growth is significantly hindered by nutrient deficiency. This study investigated the influences of <i>Piriformospora indica</i> colonization on the growth of clean river sand-cultivated banana plants under varying phosphorus (P) and...
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2025-06-01
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| author | Boxiang Zhao Ruide Li Na Tian Qian Li Chunzhen Cheng Mingyuan Wang |
| author_facet | Boxiang Zhao Ruide Li Na Tian Qian Li Chunzhen Cheng Mingyuan Wang |
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| description | Banana plants require substantial nutrients, and their growth is significantly hindered by nutrient deficiency. This study investigated the influences of <i>Piriformospora indica</i> colonization on the growth of clean river sand-cultivated banana plants under varying phosphorus (P) and potassium (K) levels. Banana plants without (CK) and with <i>P. indica</i> colonization (PI) were watered using Hoagland solutions with four gradients of P or K (100%, 50%, 25%, and 0%). Results showed that <i>P. indica</i> colonization promoted the growth of banana plants under different concentrations of P and K treatments. Further analysis revealed that the pseudo-stem P and K contents were very significantly (<i>p</i> < 0.01) positively and positively correlated with biomass-related parameters (aboveground part fresh weight, root fresh weight, and total plant biomass), respectively. Root starch, sucrose, proline (PRO), and anthocyanins contents, as well as leaf malondialdehyde (MDA) and PRO contents, were positively correlated with most growth-related parameters. However, root and leaf flavonoid contents, total antioxidant capacity (T-AOC), and leaf anthocyanin content showed negative correlations with growth-related parameters. Moreover, a very significant negative correlation (<i>p</i> < 0.01) was identified between root T-AOC and root starch content. Additionally, <i>P. indica</i> altered the P and K reduction-caused starch content change patterns in both leaves and roots. Our study demonstrated that <i>P. indica</i> colonization promoted the growth of banana under different concentrations of P and K treatments by mediating the accumulation of carbohydrates, secondary metabolites, osmoprotectants, and so on. |
| format | Article |
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| spelling | doaj-art-313d117d37b44e9c8d39b6eae56892fa2025-08-20T02:21:57ZengMDPI AGPlants2223-77472025-06-011412187810.3390/plants14121878The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium TreatmentsBoxiang Zhao0Ruide Li1Na Tian2Qian Li3Chunzhen Cheng4Mingyuan Wang5Department of Biological Engineering and Technology, College of Chemical Engineering, Huaqiao University, Xiamen 361021, ChinaCollege of Horticulture, Shanxi Agricultural University, Jinzhong 030801, ChinaCollege of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, ChinaCollege of Horticulture, Shanxi Agricultural University, Jinzhong 030801, ChinaCollege of Horticulture, Shanxi Agricultural University, Jinzhong 030801, ChinaDepartment of Biological Engineering and Technology, College of Chemical Engineering, Huaqiao University, Xiamen 361021, ChinaBanana plants require substantial nutrients, and their growth is significantly hindered by nutrient deficiency. This study investigated the influences of <i>Piriformospora indica</i> colonization on the growth of clean river sand-cultivated banana plants under varying phosphorus (P) and potassium (K) levels. Banana plants without (CK) and with <i>P. indica</i> colonization (PI) were watered using Hoagland solutions with four gradients of P or K (100%, 50%, 25%, and 0%). Results showed that <i>P. indica</i> colonization promoted the growth of banana plants under different concentrations of P and K treatments. Further analysis revealed that the pseudo-stem P and K contents were very significantly (<i>p</i> < 0.01) positively and positively correlated with biomass-related parameters (aboveground part fresh weight, root fresh weight, and total plant biomass), respectively. Root starch, sucrose, proline (PRO), and anthocyanins contents, as well as leaf malondialdehyde (MDA) and PRO contents, were positively correlated with most growth-related parameters. However, root and leaf flavonoid contents, total antioxidant capacity (T-AOC), and leaf anthocyanin content showed negative correlations with growth-related parameters. Moreover, a very significant negative correlation (<i>p</i> < 0.01) was identified between root T-AOC and root starch content. Additionally, <i>P. indica</i> altered the P and K reduction-caused starch content change patterns in both leaves and roots. Our study demonstrated that <i>P. indica</i> colonization promoted the growth of banana under different concentrations of P and K treatments by mediating the accumulation of carbohydrates, secondary metabolites, osmoprotectants, and so on.https://www.mdpi.com/2223-7747/14/12/1878carbohydratesosmoprotectantsphosphorus<i>Piriformospora indica</i>potassiumsecondary metabolites |
| spellingShingle | Boxiang Zhao Ruide Li Na Tian Qian Li Chunzhen Cheng Mingyuan Wang The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments Plants carbohydrates osmoprotectants phosphorus <i>Piriformospora indica</i> potassium secondary metabolites |
| title | The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments |
| title_full | The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments |
| title_fullStr | The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments |
| title_full_unstemmed | The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments |
| title_short | The Growth-Promoting Effects of <i>Piriformospora indica</i> on Banana Under Different Concentrations of Phosphorus and Potassium Treatments |
| title_sort | growth promoting effects of i piriformospora indica i on banana under different concentrations of phosphorus and potassium treatments |
| topic | carbohydrates osmoprotectants phosphorus <i>Piriformospora indica</i> potassium secondary metabolites |
| url | https://www.mdpi.com/2223-7747/14/12/1878 |
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