Journal of Plant Interactions最新文献

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Comparative transcriptomics of cupuassu (Theobroma grandiflorum) offers insights into the early defense mechanism to Moniliophthora perniciosa, the causal agent of witches’ broom disease 大桔梗的比较转录组学研究为揭示女巫扫帚病病原菌黑霉(Moniliophthora perniciosa)的早期防御机制提供了线索
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-11-21 DOI: 10.1080/17429145.2022.2144650
L. Falcão, J. O. Silva-Werneck, Paulo Sergio Bevilaqua Albuquerque, R. Alves, P. Grynberg, R. Togawa, M. M. Costa, M. Brigido, L. H. Marcellino
{"title":"Comparative transcriptomics of cupuassu (Theobroma grandiflorum) offers insights into the early defense mechanism to Moniliophthora perniciosa, the causal agent of witches’ broom disease","authors":"L. Falcão, J. O. Silva-Werneck, Paulo Sergio Bevilaqua Albuquerque, R. Alves, P. Grynberg, R. Togawa, M. M. Costa, M. Brigido, L. H. Marcellino","doi":"10.1080/17429145.2022.2144650","DOIUrl":"https://doi.org/10.1080/17429145.2022.2144650","url":null,"abstract":"ABSTRACT Cupuassu (Theobroma grandiflorum) is a fruit tree native to the Amazon region, presenting high social and economic value. Besides, owing to its suitability for agroforestry cultivation, cupuassu is useful for the conservation of the Amazon Forest. Cupuassu plantations are severely affected by Moniliophthora perniciosa. Thus, to gain insights into resistance against M. perniciosa, transcriptomes of susceptible (SG) and resistant (RG) genotypes of cupuassu were analyzed at the early stage of infection using RNA sequencing. A total of 21,441 unigenes were identified, and differentially expressed genes were detected in intra- (440) and inter-genotype (301) analyses. Gene expression was altered at 24 h after inoculation (HAI) in SG. This alteration was prominent at 48 HAI in RG. These datasets allowed the identification of genes potentially involved in defense mechanisms. Phytohormone signature analysis revealed a significant effect of hormones on genotype responses. The present study is the first large-scale transcriptomic analysis of cupuassu.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"991 - 1005"},"PeriodicalIF":3.2,"publicationDate":"2022-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48221600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Suppression of leaf growth and photosynthetic capacity as an acclimation strategy to nitrogen deficiency in a nitrogen-sensitive and shade-tolerant plant Panax notoginseng 抑制叶片生长和光合能力作为氮敏感和耐阴植物三七对氮缺乏的适应策略
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-11-09 DOI: 10.1080/17429145.2022.2141902
Zhu Cun, Sheng-Pu Shuang, Jinyan Zhang, Ji-wan Hong, Hong-Min Wu, J. Yang, Hongxian Zhao, Li-Lin Gao, Jun-Wen Chen
{"title":"Suppression of leaf growth and photosynthetic capacity as an acclimation strategy to nitrogen deficiency in a nitrogen-sensitive and shade-tolerant plant Panax notoginseng","authors":"Zhu Cun, Sheng-Pu Shuang, Jinyan Zhang, Ji-wan Hong, Hong-Min Wu, J. Yang, Hongxian Zhao, Li-Lin Gao, Jun-Wen Chen","doi":"10.1080/17429145.2022.2141902","DOIUrl":"https://doi.org/10.1080/17429145.2022.2141902","url":null,"abstract":"ABSTRACT Photosynthesis is susceptible in response to nitrogen (N) deficiency. However, the acclimation of shade-tolerant and high-N sensitive species to N deficiency is unclear. Leaf morpho-physiological traits, photosynthetic performance related parameters were examined in a shade-tolerant and high-N sensitive species P. notoginseng grown under different N levels. Lower N content and Chl content were recorded in the N0-grown P. notoginseng. The maximum values of leaf morpho-physiological traits, photosynthetic rate, and photosynthetic N use efficiency (PNUE) were obtained in the N15-grown P. notoginseng. Coefficients for leaf N allocation into the carboxylation and light-harvesting system components in the N0-grown plants were significantly higher than others. N0 and N7.5 plants showed higher K phase. N addition decreased the absorption and capture of the light energy per unit area (ABS/RC and TRO/RC) and non-photochemical quenching (NPQ). Photochemical quenching (qP), electron transport rate (ETR), and effective quantum yield of photosystem II (ϕPSII) were reduced in the N0-grown plants. The reduction of light-harvesting and utilization capacity not only leads to a decrease in PNUE, but also induces the damage of PSII reaction center. Overall, the inhibition of leaf growth and photosynthetic capacity is an essential strategy for high-N sensitive and shade-tolerant plants in response to N deficiency.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"980 - 990"},"PeriodicalIF":3.2,"publicationDate":"2022-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48085942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Imprints of PGPB association on the metabolic dynamism of Piper nigrum PGPB关联对胡椒代谢动力学的影响
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-10-06 DOI: 10.1080/17429145.2022.2117867
R. Santhoshkumar, P. Akash, P. Viswam, E. Soniya
{"title":"Imprints of PGPB association on the metabolic dynamism of Piper nigrum","authors":"R. Santhoshkumar, P. Akash, P. Viswam, E. Soniya","doi":"10.1080/17429145.2022.2117867","DOIUrl":"https://doi.org/10.1080/17429145.2022.2117867","url":null,"abstract":"ABSTRACT Endophytes are endosymbiotic microorganisms that coexist within different plant species which assist the host in multifarious ways without causing any detrimental effects on the plant well-being. The current study is focused on the bacterial isolates found in the Piper nigrum in vitro culture in the basal MS medium. The growth of these bacterial isolates even after repeated surface sterilization of the explant concludes the nature of these isolates as endophytes and these isolates were identified as Pantoea sp., Luteibacter sp., Herbaspirillum sp., and Agrobacterium sp. through 16srRNA. The endophytes were tested for their potential to aid plant development by assessing the production of Indoleacetic Acid, Ammonia, Hydrogen Cyanide, 1-aminocyclopropane-1-carboxylic acid deaminase, Siderophore, fixation of Nitrogen, solubilization of Phosphate, heavy metal and salt tolerance. Pantoea sp. and Herbaspirillum sp. were found tolerant against salt and heavy metal stress respectively. Based on plant growth promotion assays, Pantoea sp. and Agrobacterium sp. were further selected for metabolomic profiling. The results indicated the effects of isolates on primary and secondary metabolite biogenesis, aminoacyl-tRNA synthesis and amino acid metabolic pathways. The profiling of important metabolites linked to crop development, revealing its metabolic mechanism of plant growth promoting activities facilitated through selected Plant Growth Promoting Bacteria.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"967 - 979"},"PeriodicalIF":3.2,"publicationDate":"2022-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43528787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A semi-detritivorous pitcher plant, Nepenthes ampullaria diverges in its regulation of pitcher fluid properties 作为一种半营养性猪笼草,壶腹草在调节猪笼液特性方面存在分歧
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-09-21 DOI: 10.1080/17429145.2022.2123567
Kadeem J. Gilbert, T. Goldsborough, W. N. Lam, F. Leong, N. Pierce
{"title":"A semi-detritivorous pitcher plant, Nepenthes ampullaria diverges in its regulation of pitcher fluid properties","authors":"Kadeem J. Gilbert, T. Goldsborough, W. N. Lam, F. Leong, N. Pierce","doi":"10.1080/17429145.2022.2123567","DOIUrl":"https://doi.org/10.1080/17429145.2022.2123567","url":null,"abstract":"ABSTRACT Tropical pitcher plants (Nepenthes) are carnivorous plants that trap and digest prey using highly modified fluid-filled leaves known as pitchers. Prey are digested by plant-secreted enzymes and pitcher symbionts. Pitchers exert control over abiotic properties of the digestive fluid such as pH levels that can influence its symbionts. Here we examine natural variation in pH and dissolved mineral concentrations in three sympatric Nepenthes species, assessing correlations between fluid properties and pitcher traits. We use addition experiments to investigate differences in protein digestion/absorption rates between species. Fluid pH and dissolved mineral levels both showed distinct patterns corresponding to pitcher developmental stages in N. gracilis and N. rafflesiana, whereas N. ampullaria differs from its congeners in exhibiting far less variation in fluid pH, as well as less clear evidence of protein depletion. This study further elucidates the properties of pitchers as habitats, revealing ways in which the host plant regulates that habitat.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"956 - 966"},"PeriodicalIF":3.2,"publicationDate":"2022-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44161156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Mycorrhizal benefits on plant growth and protection against Spodoptera exigua depend on N availability 菌根对植物生长和对夜蛾的保护作用取决于氮的有效性
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-09-19 DOI: 10.1080/17429145.2022.2120212
Beatriz Ramírez-Serrano, M. Querejeta, Zhivko Minchev, J. Gamir, E. Perdereau, M. Pozo, G. Dubreuil, D. Giron
{"title":"Mycorrhizal benefits on plant growth and protection against Spodoptera exigua depend on N availability","authors":"Beatriz Ramírez-Serrano, M. Querejeta, Zhivko Minchev, J. Gamir, E. Perdereau, M. Pozo, G. Dubreuil, D. Giron","doi":"10.1080/17429145.2022.2120212","DOIUrl":"https://doi.org/10.1080/17429145.2022.2120212","url":null,"abstract":"ABSTRACT Mycorrhizal symbiosis influences plant growth and nutrition and can affect the performance of insect herbivores, but these effects are context-dependent. This study aims to investigate the influence of nitrogen fertilization and mycorrhizal symbiosis on maize and Spodoptera exigua performance and to explore the potential underlying mechanisms. Mycorrhiza promoted maize growth and reduced S. exigua performance, but these effects were dependent on nitrogen availability. We then assessed whether the consequences for S. exigua were mediated by its gut microbiota. Neither nitrogen nor mycorrhization affected S. exigua gut bacterial community. Reduced herbivore performance was instead potentially due to the effects of nitrogen-mycorrhiza interaction on the plant nutritional value.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"940 - 955"},"PeriodicalIF":3.2,"publicationDate":"2022-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43222968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Ectopic expression of VyCIPK1 gene, isolated from wild grape Vitis yanshanesis J, X. Chen., confers the tolerance to salt in transgenic tobacco 野生葡萄燕山葡萄VyCIPK1基因的异位表达。,赋予转基因烟草耐盐性
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-08-29 DOI: 10.1080/17429145.2022.2115158
Ziguo Zhu, Lingmin Dai, Guangxia Chen, Guanghui Yu, Xiu-jie Li, Zhen Han, Bo Li
{"title":"Ectopic expression of VyCIPK1 gene, isolated from wild grape Vitis yanshanesis J, X. Chen., confers the tolerance to salt in transgenic tobacco","authors":"Ziguo Zhu, Lingmin Dai, Guangxia Chen, Guanghui Yu, Xiu-jie Li, Zhen Han, Bo Li","doi":"10.1080/17429145.2022.2115158","DOIUrl":"https://doi.org/10.1080/17429145.2022.2115158","url":null,"abstract":"ABSTRACT Calmodulin-like interacting protein kinases play an important role in plant response to abiotic stresses and development. But the role of the CIPK gene in grapevine is unknown. In this study, VyCIPK1, isolated from the Chinese wild grape V. Yanshanesis, was strongly induced by salt stress. Overexpressing VyCIPK1 could induce AOC and AOS, and result in notably increased jamonate levels in tobacco. Under salt stress, transgenic plants showed higher germination rate, leaf number, and fresh weight than wild-type plants. Moreover, transgenic plants displayed higher chlorophyll content, catalase activity, peroxidase activity, superoxide dismutase activity, and lower malondialdehyde content, H2O2, and O2- content than that of wild type under salt stress conditions. And the stress-related genes, including ERD10C, ERD10D, LEA5, POD, SOD, and CAT, were up-regulated in transgenic plants. Our founding demonstrated that the VyCIPK1 has the potential for grape molecular breeding of salt tolerance as a candidate gene.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"927 - 939"},"PeriodicalIF":3.2,"publicationDate":"2022-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49160130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Phosphoproteome analysis reveals chitosan-induced resistance to osmotic stress in rice (Oryza sativa L.) seedlings 磷酸蛋白质组分析揭示壳聚糖诱导水稻幼苗对渗透胁迫的抗性
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-08-24 DOI: 10.1080/17429145.2022.2114556
Wasinee Pongprayoon, S. Maksup, Narumon Phaonakrop, Junthima Jaresitthikunchai, Umaporn Uawisetwathana, A. Panya, S. Roytrakul
{"title":"Phosphoproteome analysis reveals chitosan-induced resistance to osmotic stress in rice (Oryza sativa L.) seedlings","authors":"Wasinee Pongprayoon, S. Maksup, Narumon Phaonakrop, Junthima Jaresitthikunchai, Umaporn Uawisetwathana, A. Panya, S. Roytrakul","doi":"10.1080/17429145.2022.2114556","DOIUrl":"https://doi.org/10.1080/17429145.2022.2114556","url":null,"abstract":"ABSTRACT This study sought to identify the mechanism underlying the response to chitosan at the posttranslational level. Khao Dawk Mali 105 seeds were soaked in 40 mg l−1 of chitosan, and leaves of 2- and 4-week-old seedlings were sprayed with chitosan before starting osmotic stress conditions. Chitosan induced resistance to osmotic stress by enhancing shoot fresh and dry weights and maintained increased photosynthetic pigments. Leaf phosphoproteomes were examined using gel-free LC-MS/MS. Of the 60 phosphoproteins showed a significant difference in protein expressions under osmotically-stressed plants treated with chitosan. More than 40% of the phosphoproteins involved in signaling pathways, including OsCML12 calmodulin-related calcium sensor protein, ubiquitin carboxyl-terminal hydrolase 15, U-box domain-containing protein 45, HEAT repeat family protein, BRCA1 C terminus domain-containing protein, pectinesterase, protein kinase domain-containing protein, and receptor-like protein kinase. Chitosan enhanced rice seedling growth and drought resistance via multiple complex networks, including metabolism, transport, transcription, and signaling under osmotic stress.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"894 - 910"},"PeriodicalIF":3.2,"publicationDate":"2022-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45400340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Utilizing transcription factors for improving banded leaf and sheath blight disease resistance in maize: a review 利用转录因子提高玉米带状叶枯病和鞘枯病抗性的研究进展
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-08-24 DOI: 10.1080/17429145.2022.2115157
B. Ajayo, Yubi Huang, Huanhuan Huang
{"title":"Utilizing transcription factors for improving banded leaf and sheath blight disease resistance in maize: a review","authors":"B. Ajayo, Yubi Huang, Huanhuan Huang","doi":"10.1080/17429145.2022.2115157","DOIUrl":"https://doi.org/10.1080/17429145.2022.2115157","url":null,"abstract":"ABSTRACT Banded leaf and sheath blight (BLSB) disease, incited by Rhizoctonia solani, is destructive, difficult to manage and gravely threatens maize (Zea mays L.) production across continents. Plant transcription factors (TFs) act as functional nodes that integrate defense signals to activate relevant immune outlets via large-scale transcriptional reprogramming of the expression of massive sets of defense-related genes (DRGs). Recent studies revealed complex changes in the maize transcriptome during BLSB infection. More than 30 TFs belonging to the WRKY, NAC, TCP, bHLH, and bZIP families, among others, have been putatively identified as core genes inducible in maize by the virulence factors of R. solani. Sadly, no progress has been made in characterizing these TFs in maize resistance to BLSB. Having reviewed the progress made so far, we propose future studies to prioritize functional characterization of the potential TFs and their manipulation through genome editing technology as well as the use of synthetic TFs to improve maize resistance to BLSB.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"911 - 926"},"PeriodicalIF":3.2,"publicationDate":"2022-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48488640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improvement of salt tolerance of Arabidopsis thaliana seedlings inoculated with endophytic Bacillus cereus KP120 内生蜡状芽孢杆菌KP120对拟南芥幼苗耐盐性的影响
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-08-16 DOI: 10.1080/17429145.2022.2111471
Yaran Zhang, Zengyuan Tian, Yu Xi, Xiaomin Wang, Shuai Chen, Mengting He, Yang Chen, Yuqi Guo
{"title":"Improvement of salt tolerance of Arabidopsis thaliana seedlings inoculated with endophytic Bacillus cereus KP120","authors":"Yaran Zhang, Zengyuan Tian, Yu Xi, Xiaomin Wang, Shuai Chen, Mengting He, Yang Chen, Yuqi Guo","doi":"10.1080/17429145.2022.2111471","DOIUrl":"https://doi.org/10.1080/17429145.2022.2111471","url":null,"abstract":"ABSTRACT In our previous reports, an endophytic bacterium, Bacillus cereus KP120 was isolated from the halophyte species Kosteletzkya virginica. In this study, the effect of KP120 colonization on Arabidopsis thaliana seedlings was investigated. Our results showed that inoculation with KP120 could promote the growth of A. thaliana seedlings plants under salt-stress conditions, compared with uninoculated controls. After salt treatment, chlorophyll, proline, the activity of antioxidant enzymes, Indole-3-acetic acid and 1-aminocyclopropane-1-carboxylate-deaminase in plants inoculated were increased significantly but malondialdehyde content was decreased compared with the plants under salt stress lonely. Similarly, under non-salt stress, physiological indices above except for MDA in plants inoculated with KP120 were increased compared with control. B. cereus also induced the up-regulation of key genes involved in IAA biosynthesis, responses, transport, down-regulated expression of genes related with ethylene synthesis and response. Our work principally demonstrates that Bacillus cereus KP120 significantly enhances plant growth and increases plant tolerance to salt stress.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"884 - 893"},"PeriodicalIF":3.2,"publicationDate":"2022-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45367682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Carbon assimilation and water-use efficiency in cowpea varieties inoculated with Bradyrhizobium, measured using 13C natural abundance 用13C自然丰度测定接种缓生根瘤菌后豇豆品种的碳同化和水分利用效率
IF 3.2 3区 生物学
Journal of Plant Interactions Pub Date : 2022-08-11 DOI: 10.1080/17429145.2022.2075943
Tewodros W. Ayalew, Tarekegn Yoseph, G. Cadisch
{"title":"Carbon assimilation and water-use efficiency in cowpea varieties inoculated with Bradyrhizobium, measured using 13C natural abundance","authors":"Tewodros W. Ayalew, Tarekegn Yoseph, G. Cadisch","doi":"10.1080/17429145.2022.2075943","DOIUrl":"https://doi.org/10.1080/17429145.2022.2075943","url":null,"abstract":"ABSTRACT Moisture stress is one of the most important constraints for crop production in arid regions. Cowpea is a vital food legume that has been cultivated in tropical and sub-tropical regions where water is scarce. Rhizobia inoculation confers resistance to water stress legumes. Two-year field experiments were conducted to assess the carbon assimilation and water use efficiencies of inoculated cowpea varieties at three sites. The treatments consist of four varieties and three levels of Bradyrhizobium inoculation arranged in a factorial randomized complete block design with four replications. The nitrogen (% N) and carbon (% C) concentrations in plant shoots were obtained directly from the mass spectrometric analysis. The results revealed considerable variation for shoot % N and % C, shoot growth, and δ13C among the varieties. Similarly, Bradyrhizobium significantly affected plant growth, % C, C and N contents, C/N ratio, and carbon isotope discrimination of the shoot. For instance, C and N contents and the C/N ratio increased by 28, 24, and 31%, respectively, due to Bradyrhizobium inoculation. In general, these results indicated that physiological performances such as carbon assimilation and water use efficiency of the crop could be, significantly improved when effective Bradyrhizobium strains and the best performing varieties are selected.","PeriodicalId":16830,"journal":{"name":"Journal of Plant Interactions","volume":"17 1","pages":"853 - 860"},"PeriodicalIF":3.2,"publicationDate":"2022-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48051629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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