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Del-Canto A, Sanz-Saez A, Heath KD, Grillo MA, Heras J, Lacuesta M. Conventional management has a greater negative impact on Phaseolus vulgaris L. rhizobia diversity and abundance than water scarcity. FRONTIERS IN PLANT SCIENCE 2024; 15:1408125. [PMID: 39011306 PMCID: PMC11246888 DOI: 10.3389/fpls.2024.1408125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/22/2024] [Indexed: 07/17/2024]
Abstract
Introduction Drought is one of the biggest problems for crop production and also affects the survival and persistence of soil rhizobia, which limits the establishment of efficient symbiosis and endangers the productivity of legumes, the main source of plant protein worldwide. Aim Since the biodiversity can be altered by several factors including abiotic stresses or cultural practices, the objective of this research was to evaluate the effect of water availability, plant genotype and agricultural management on the presence, nodulation capacity and genotypic diversity of rhizobia. Method A field experiment was conducted with twelve common bean genotypes under irrigation and rain-fed conditions, both in conventional and organic management. Estimation of the number of viable rhizobia present in soils was performed before the crop establishment, whereas the crop yield, nodule number and the strain diversity of bacteria present in nodules were determined at postharvest. Results Rainfed conditions reduced the number of nodules and of isolated bacteria and their genetic diversity, although to a lesser extent than the agrochemical inputs related to conventional management. In addition, the effect of water scarcity on the conventional management soil was greater than observed under organic conditions. Conclusions The preservation of diversity will be a key factor to maintain crop production in the future, as problems caused by drought will be exacerbated by climate change and organic management can help to maintain the biodiversity of soil microbiota, a fundamental aspect for soil health and quality.
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Affiliation(s)
- Arantza Del-Canto
- Department of Plant Biology and Ecology, Pharmacy Faculty, University of the Basque Country, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Vitoria-Gasteiz, Spain
| | - Alvaro Sanz-Saez
- Department of Crop, Soil, and Environmental Sciences, Auburn University, Auburn, AL, United States
| | - Katy D Heath
- Department of Plant Biology, University of Illinois, Urbana, IL, United States
| | - Michael A Grillo
- Department of Plant Biology, University of Illinois, Urbana, IL, United States
- Department of Biology, Loyola University Chicago, Chicago, IL, United States
| | - Jónathan Heras
- Department of Mathematics and Computer Science, University of La Rioja, Logroño, Spain
| | - Maite Lacuesta
- Department of Plant Biology and Ecology, Pharmacy Faculty, University of the Basque Country, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Vitoria-Gasteiz, Spain
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Yu T, Wu X, Song Y, Lv H, Zhang G, Tang W, Zheng Z, Wang X, Gu Y, Zhou X, Li J, Tian S, Hou X, Chen Q, Xin D, Ni H. Isolation and Identification of Salinity-Tolerant Rhizobia and Nodulation Phenotype Analysis in Different Soybean Germplasms. Curr Issues Mol Biol 2024; 46:3342-3352. [PMID: 38666939 PMCID: PMC11049135 DOI: 10.3390/cimb46040209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 04/01/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Increasing the soybean-planting area and increasing the soybean yield per unit area are two effective solutions to improve the overall soybean yield. Northeast China has a large saline soil area, and if soybeans could be grown there with the help of isolated saline-tolerant rhizobia, the soybean cultivation area in China could be effectively expanded. In this study, soybeans were planted in soils at different latitudes in China, and four strains of rhizobia were isolated and identified from the soybean nodules. According to the latitudes of the soil-sampling sites from high to low, the four isolated strains were identified as HLNEAU1, HLNEAU2, HLNEAU3, and HLNEAU4. In this study, the isolated strains were identified for their resistances, and their acid and saline tolerances and nitrogen fixation capacities were preliminarily identified. Ten representative soybean germplasm resources in Northeast China were inoculated with these four strains, and the compatibilities of these four rhizobium strains with the soybean germplasm resources were analyzed. All four isolates were able to establish different extents of compatibility with 10 soybean resources. Hefeng 50 had good compatibility with the four isolated strains, while Suinong 14 showed the best compatibility with HLNEAU2. The isolated rhizobacteria could successfully establish symbiosis with the soybeans, but host specificity was also present. This study was a preliminary exploration of the use of salinity-tolerant rhizobacteria to help the soybean nitrogen fixation in saline soils in order to increase the soybean acreage, and it provides a valuable theoretical basis for the application of saline-tolerant rhizobia.
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Affiliation(s)
- Tong Yu
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Xiaodong Wu
- Heilongjiang Green Food Science Research Institute, Harbin 150000, China;
| | - Yunshan Song
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Hao Lv
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Guoqing Zhang
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Weinan Tang
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Zefeng Zheng
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Xiaohan Wang
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Yumeng Gu
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Xin Zhou
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Jianlin Li
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Siyi Tian
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Xiuming Hou
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Qingshan Chen
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Dawei Xin
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
| | - Hejia Ni
- Key Laboratory of Soybean Biology of the Chinese Ministry of Education, Key Laboratory of Soybean Biology and Breeding, Genetics of Chinese Agriculture Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150036, China; (T.Y.); (Y.S.); (H.L.); (G.Z.); (W.T.); (Z.Z.); (X.W.); (Y.G.); (X.Z.); (J.L.); (S.T.); (X.H.); (Q.C.)
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Vlaminck L, Vanden Berghen B, Vranken L, Goormachtig S. It takes three to tango: citizen, fundamental and applied science. TRENDS IN PLANT SCIENCE 2023; 28:491-494. [PMID: 36907695 DOI: 10.1016/j.tplants.2023.02.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/21/2023] [Accepted: 02/21/2023] [Indexed: 05/22/2023]
Abstract
Citizen science is an undervalued tool in a scientist's toolbox with the potential to go beyond primary data collection to strengthen fundamental and applied science. We call for the integration of these three disciplines to make agriculture sustainable and adaptive to climate change, with North-Western European soybean cultivation as showcase.
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Affiliation(s)
- Lena Vlaminck
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Birgit Vanden Berghen
- Division of Bio-economics, Department of Earth and Environmental Sciences, KU Leuven, 3000 Leuven, Belgium
| | - Liesbet Vranken
- Division of Bio-economics, Department of Earth and Environmental Sciences, KU Leuven, 3000 Leuven, Belgium
| | - Sofie Goormachtig
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium.
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Elsalahy HH, Reckling M. Soybean resilience to drought is supported by partial recovery of photosynthetic traits. FRONTIERS IN PLANT SCIENCE 2022; 13:971893. [PMID: 36340420 PMCID: PMC9632626 DOI: 10.3389/fpls.2022.971893] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Climate change affects precipitation dynamics and the variability of drought frequency, intensity, timing, and duration. This represents a high risk in spring-sown grain legumes such as soybean. Yet, under European conditions, no evidence supports the potential recovery and resilience of drought-tolerant soybean cultivars after episodic drought, at different growth stages. A field experiment was conducted using a representative drought-tolerant cultivar of soybean (cv. Acardia), in 2020 and 2021, on sandy soils in Germany, applying four water regimes (irrigated, rainfed, early-drought, and late-drought stress). Drought stress was simulated by covering the plots during the event of rain with 6 × 6 m rainout shelters, at the vegetative (V-stage) and flowering (Fl-stage) stages. Drought response was quantified on plant height, chlorophyll fluorescence ratio (ChlF ratio), chlorophyll content (Chlc), and leaf surface temperature (LST), at different intervals after simulating drought until pod filling. Grain yield and yield components were quantified at the end of the growing season. Compared to rainfed conditions, a drought at V-stage and Fl-stage reduced significantly plant height, ChlF ratio, and Chlc by 20%, 11%, and 7%, respectively, but increased LST by 21% during the recovery phase. There was no recovery from drought except for Chlc after V-stage in 2021, that significantly recovered by 40% at the end of the growing season, signifying a partial recovery of the photochemical apparatus. Especially, there was no recovery observed in LST, implying the inability of soybean to restore LST within the physiological functional range (Graphical abstract). Under rainfed conditions, the grain yield reached 2.9 t ha-1 in 2020 and 5.2 t ha-1 in 2021. However, the episodic drought reduced the yield at V-stage and Fl-stage, by 63% and 25% in 2020, and 21% and 36% in 2021, respectively. To conclude, the timing of drought was less relevant for soybean resilience; however, pre- and post-drought soil moisture, drought intensity, and drought duration were likely more important. A drought-tolerant soybean cultivar may partially be drought-resilient due to the recovery of photosynthetic traits, but not the leaf thermal traits. Overall, these findings will accelerate future efforts by plant breeders, aimed at improving soybean drought resilience.
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Affiliation(s)
- Heba H. Elsalahy
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany
- Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences - Crop Science, Humboldt-University of Berlin, Berlin, Germany
- Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, Egypt
| | - Moritz Reckling
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany
- Department of Crop Production Ecology, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
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Savala CEN, Wiredu AN, Chikoye D, Kyei-Boahen S. Prospects and Potential of Bradyrhizobium diazoefficiens Based Bio-Inoculants on Soybean Production in Different Agro-Ecologies of Mozambique. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2022. [DOI: 10.3389/fsufs.2022.908231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Soybean production in sub-Saharan Africa is increasing as farmers open more land areas for cultivation and replace other crops, such as tobacco, in favor of this legume crop. Despite the production is increased in Mozambique, demand for animal feed and oil is not satisfied. As such, farmers explore ways to improve yield per unit area of soybean by using bio-inoculants from various sources and agroecological adaptability. These bio-inoculants are seldom available during planting time, and retail at almost similar prices although yield varied based on the product source, handling, and the rhizobia strain carrier. Mozambique does not produce bio-inoculants, so it obtains the product from neighboring countries or as far as the South American continent. In this study, we evaluated the performance, ecological adaptability, and soybean productivity of seven Bradyrhizobium diazoefficiens strain-based bio-inoculants from several countries with different carrier materials: Biofix, Masterfix, Nitrofix, NitroZam, N-Fixer, Soygro Peat, and Soygro Liquid against a control (non-inoculated) on two soybean varieties Storm and TGx 1904-6F. The trial was conducted in the 2016 and 2017 growing seasons in three agroecologies of Mozambique at Angonia, Nampula, and Ruace. Data on nodulation, plant growth, biomass nitrogen content at beginning of podding (R3) stage, yield, and yield components of soybean were evaluated. Analysis of variance and contrast comparisons were performed on the Statistical Analysis System® 9.4. Nodule weight per plant variedly increased from 7.7 to 167.6 mg with inoculation of both varieties across environments. Plant tissue nitrogen content at the R3 stage was higher in inoculated non-promiscuous variety at 3.9% than the promiscuous counterpart with 3.7%. Storm, a non-promiscuous short-maturity variety of soybean, responded to inoculation and accumulated more N than the medium-to-late maturity promiscuous TGx 1904-6F. Higher N tissue content is an indicator of better nutritive value, as well as high-quality recyclable biomass of inoculated soybean. Both Storm and TGx 1904-6F responded to all inoculants variedly with NitroZam yield of 2,750 kg ha−1 being highest, while Soygro Liquid was lowest with 2,051 kg ha−1 but more than the check with 1,690 kg ha−1 across sites. There were varietal differences in 100-seed weight after inoculation where Storm (15.4 g) had heavier seeds than TGx 1904-6F (13.1 g). The results show that inoculation improved plant growth and development, increased nodulation, and gave higher yields for better economic returns among farmers. Inoculation has the potential of increasing soybean yield, nutritive value, and biomass quality within Mozambique.
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