Arid
DOI10.1080/17429145.2022.2075943
Carbon assimilation and water-use efficiency in cowpea varieties inoculated with Bradyrhizobium, measured using 13C natural abundance
Ayalew, Tewodros; Yoseph, Tarekegn; Cadisch, Georg
通讯作者Ayalew, T
来源期刊JOURNAL OF PLANT INTERACTIONS
ISSN1742-9145
EISSN1742-9153
出版年2022
卷号17期号:1页码:853-860
英文摘要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 delta C-13 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.
英文关键词Carbon concentration cowpea inoculation nitrogen concentration delta C-13 (parts per thousand)
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000839948100001
WOS关键词SYMBIOTIC N NUTRITION ; ISOTOPE DISCRIMINATION ; NITROGEN-FIXATION ; L. ; GROWTH ; FERTILIZATION ; ACCUMULATION ; PRODUCTIVITY ; GENOTYPES ; RHIZOBIA
WOS类目Plant Sciences ; Ecology
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/393571
推荐引用方式
GB/T 7714
Ayalew, Tewodros,Yoseph, Tarekegn,Cadisch, Georg. Carbon assimilation and water-use efficiency in cowpea varieties inoculated with Bradyrhizobium, measured using 13C natural abundance[J],2022,17(1):853-860.
APA Ayalew, Tewodros,Yoseph, Tarekegn,&Cadisch, Georg.(2022).Carbon assimilation and water-use efficiency in cowpea varieties inoculated with Bradyrhizobium, measured using 13C natural abundance.JOURNAL OF PLANT INTERACTIONS,17(1),853-860.
MLA Ayalew, Tewodros,et al."Carbon assimilation and water-use efficiency in cowpea varieties inoculated with Bradyrhizobium, measured using 13C natural abundance".JOURNAL OF PLANT INTERACTIONS 17.1(2022):853-860.
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