期刊
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
卷 47, 期 6, 页码 843-850出版社
INST TECNOLOGIA PARANA
DOI: 10.1590/S1516-89132004000600002
关键词
Azospirillum; wheat; barley; oats; nitrogen fixation; plant growth promotion
类别
The aim of the present work was to evaluate the inoculation effects of Azospirillum sp. RAM-7 strain, in seeds of wheat, barley and oats cultures on vield and total nitrogen content of the grains in greenhouse experiments. Seeds inoculation with Azospirillum sp. RAM-7 strain enhanced grain yields, even so, the responses vary among the evaluated cultures. For wheat, significant increases were obtained when the inoculation was associated to 100% of the recommended nitrogen, although the treatment that received only inoculation produced 7.4% above the control, however this difference wasn't significant. For barley, the presence of the inoculant substituted 20% the recommended nitrogen fertilization. For oats the inoculation with Azospirillum sp. RAM-7 didn't provide a significant increase in grain yields. In relation to the total nitrogen content of the grains, for all studied cultures, significant differences were not observed among the evaluated treatinents (p < 0.05).
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