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摘要:
Legume nodulation by rhizobia can supply crops with nitrogen and reduce environmental impacts caused by chemical fertilization. The soybean crop in Brazil is an impressive example of how biological N2 fixation can be employed with a plant species of high economic value. However, the development of more productive cultivars, along with the increasing global climatic changes demand agricultural practices to become more productive and yet more environmentally friendly. Plant growth-promoting rhizobacteria (PGPR) are highly beneficial to agriculture worldwide, acting in plant nutrition, protection, and growth stimulation. Azospirillum is, certainly, the most employed PGPR in the world, but little is known about its interaction with rhizobia, when both are applied to legume seeds. We have evaluated the co-inoculation of bradyrhizobia and azospirilla on soybean seeds under different soil and climate conditions in Brazil. Our results demonstrated that co-inoculation is efficient and beneficial to the crop, and promotes yield increases without adding any chemical N fertilizers even in soils where established populations of soybean bradyrhizobia exist. The strategy of co-inoculation thus represents a new biotechnological tool to improve soybean yield without adding any chemical N fertilizers, thus contributing to current practices of sustainability in agriculture.
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篇名 Soybean Seed Co-Inoculation with <i>Bradyrhizobium</i>spp. and <i>Azospirillum brasilense</i>: A New Biotechnological Tool to Improve Yield and Sustainability
来源期刊 美国植物学期刊(英文) 学科 医学
关键词 Soybean AZOSPIRILLUM BRADYRHIZOBIUM Inoculation YIELD
年,卷(期) 2015,(6) 所属期刊栏目
研究方向 页码范围 811-817
页数 7页 分类号 R73
字数 语种
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Soybean
AZOSPIRILLUM
BRADYRHIZOBIUM
Inoculation
YIELD
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美国植物学期刊(英文)
月刊
2158-2742
武汉市江夏区汤逊湖北路38号光谷总部空间
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1814
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