Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth

The overuse of chemical pesticides and fertilizers in crop farming has led to a decrease in crop quality and negative impacts on soil and the environment. It is crucial to adopt alternative strategies to maintain soil and environmental quality while enhancing crop growth and yield. To explore this,...

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Main Authors: Hayet Beltayef, Mouna Mechri, Wafa Saidi, Taqi Raza, Rim Hajri, Afef Othmani, Khedija Bouajila, Cristina Cruz, Abeer Hashem, Elsayed Fathi Abd_Allah, Mongi Melki
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Agronomy
Subjects:
Online Access:https://www.mdpi.com/2073-4395/13/10/2619
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author Hayet Beltayef
Mouna Mechri
Wafa Saidi
Taqi Raza
Rim Hajri
Afef Othmani
Khedija Bouajila
Cristina Cruz
Abeer Hashem
Elsayed Fathi Abd_Allah
Mongi Melki
author_facet Hayet Beltayef
Mouna Mechri
Wafa Saidi
Taqi Raza
Rim Hajri
Afef Othmani
Khedija Bouajila
Cristina Cruz
Abeer Hashem
Elsayed Fathi Abd_Allah
Mongi Melki
author_sort Hayet Beltayef
collection DOAJ
description The overuse of chemical pesticides and fertilizers in crop farming has led to a decrease in crop quality and negative impacts on soil and the environment. It is crucial to adopt alternative strategies to maintain soil and environmental quality while enhancing crop growth and yield. To explore this, a study was conducted under greenhouse conditions to investigate the effect of <i>Rhizobium tropici</i> CIAT 899 alone, as well as in association with mycorrhizae (<i>Rhizophagus irregularis</i>) and endophytic fungus (<i>Serendipita indica</i>), on the growth, yield, and nutrient status of snap bean plants. At harvest, the rhizobial strain CIAT 899 demonstrated the highest effectiveness. It significantly increased the number of nodules in both Contender and Garrafal Enana varieties by 6.97% and 14.81%, respectively, compared with the control without inoculation. Furthermore, the results indicated that co-inoculation of <i>Rhizobium</i> and symbiotic fungi had positive effects on nitrogen content, phosphorus availability, and overall plant growth. Regardless of the variety, plants inoculated with <i>R. tropici</i> CIAT 899 and <i>Serendipita indica</i> exhibited the highest values for plant growth parameters. This combination resulted in 168% and 135% increases in root dry biomass, as well as 140% and 225% increases in the number of pods for Contender and Garrafal Enana, respectively, compared with the control at harvest. Additionally, this study highlights the potential benefits of combining <i>R. tropici</i> with either <i>Serendipita indica</i> or <i>Rhizophagus irregularis</i> in terms of nitrogen and phosphorus uptake. These symbiotic microorganisms demonstrated synergistic interactions with snap bean plants, leading to improved mineral nutrition and enhanced growth. Overall, these findings suggest that utilizing these symbiotic microorganisms can effectively enhance the mineral nutrition and growth of snap bean plants.
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spelling doaj.art-d75069b7de2c4d5d80d9cdbfef0279b72023-11-19T15:22:43ZengMDPI AGAgronomy2073-43952023-10-011310261910.3390/agronomy13102619Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean GrowthHayet Beltayef0Mouna Mechri1Wafa Saidi2Taqi Raza3Rim Hajri4Afef Othmani5Khedija Bouajila6Cristina Cruz7Abeer Hashem8Elsayed Fathi Abd_Allah9Mongi Melki10Research Laboratory: Support for Sustainable Agricultural Productivity in the Northwest Region, Higher School of Agriculture, University of Jendouba, El Kef 7119, TunisiaNational Institute of Field Crops, Boussalem 8170, TunisiaResearch Laboratory: Support for Sustainable Agricultural Productivity in the Northwest Region, Higher School of Agriculture, University of Jendouba, El Kef 7119, TunisiaThe Department of Biosystems Engineering & Soil Science, University of Tennessee, Knoxville, TN 37996, USAResearch Laboratory of Agricultural Production Systems and Sustainable Development, College of Agriculture, The University of Carthage, Mograne Zaghouan 1121, TunisiaField Crops Laboratory, LR20-INRAT-02, National Agricultural Research Institute of Tunisia, University of Carthage, Ariana 2049, TunisiaSoil Management, Regional Commissary for Agricultural Development of Beja-Northern Tunisia, Ministry of Agriculture, Hydraulic Resources and Fisheries, Beja 9000, TunisiacE3c—Centre for Ecology, Evolution and Environmental Changes & CHANGE, Global Change and Sustainability Institute, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Bloco C2, 1749-016 Lisboa, PortugalBotany and Microbiology Department, College of Science, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi ArabiaPlant Production Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi ArabiaResearch Laboratory: Support for Sustainable Agricultural Productivity in the Northwest Region, Higher School of Agriculture, University of Jendouba, El Kef 7119, TunisiaThe overuse of chemical pesticides and fertilizers in crop farming has led to a decrease in crop quality and negative impacts on soil and the environment. It is crucial to adopt alternative strategies to maintain soil and environmental quality while enhancing crop growth and yield. To explore this, a study was conducted under greenhouse conditions to investigate the effect of <i>Rhizobium tropici</i> CIAT 899 alone, as well as in association with mycorrhizae (<i>Rhizophagus irregularis</i>) and endophytic fungus (<i>Serendipita indica</i>), on the growth, yield, and nutrient status of snap bean plants. At harvest, the rhizobial strain CIAT 899 demonstrated the highest effectiveness. It significantly increased the number of nodules in both Contender and Garrafal Enana varieties by 6.97% and 14.81%, respectively, compared with the control without inoculation. Furthermore, the results indicated that co-inoculation of <i>Rhizobium</i> and symbiotic fungi had positive effects on nitrogen content, phosphorus availability, and overall plant growth. Regardless of the variety, plants inoculated with <i>R. tropici</i> CIAT 899 and <i>Serendipita indica</i> exhibited the highest values for plant growth parameters. This combination resulted in 168% and 135% increases in root dry biomass, as well as 140% and 225% increases in the number of pods for Contender and Garrafal Enana, respectively, compared with the control at harvest. Additionally, this study highlights the potential benefits of combining <i>R. tropici</i> with either <i>Serendipita indica</i> or <i>Rhizophagus irregularis</i> in terms of nitrogen and phosphorus uptake. These symbiotic microorganisms demonstrated synergistic interactions with snap bean plants, leading to improved mineral nutrition and enhanced growth. Overall, these findings suggest that utilizing these symbiotic microorganisms can effectively enhance the mineral nutrition and growth of snap bean plants.https://www.mdpi.com/2073-4395/13/10/2619mycorrhizaeendophytic fungusmineral nutritionplant–microbe interactions
spellingShingle Hayet Beltayef
Mouna Mechri
Wafa Saidi
Taqi Raza
Rim Hajri
Afef Othmani
Khedija Bouajila
Cristina Cruz
Abeer Hashem
Elsayed Fathi Abd_Allah
Mongi Melki
Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth
Agronomy
mycorrhizae
endophytic fungus
mineral nutrition
plant–microbe interactions
title Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth
title_full Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth
title_fullStr Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth
title_full_unstemmed Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth
title_short Synergistic Interaction of <i>Rhizobium tropici</i>, <i>Rhizophagus irregularis</i> and <i>Serendipita indica</i> in Promoting Snap Bean Growth
title_sort synergistic interaction of i rhizobium tropici i i rhizophagus irregularis i and i serendipita indica i in promoting snap bean growth
topic mycorrhizae
endophytic fungus
mineral nutrition
plant–microbe interactions
url https://www.mdpi.com/2073-4395/13/10/2619
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