期刊
JOURNAL OF PLANT INTERACTIONS
卷 7, 期 1, 页码 1-9出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17429145.2011.597002
关键词
Proradix (R); plant growth promotion; induced systemic resistance; biocontrol; field trials
Beneficial rhizobacteria strains are of substantial interest as biological plant protection agents in agriculture. Bacteria of the genus Pseudomonas have been studied for many years for their role in plant growth and biocontrol. In this study, we analyzed the influence of the commercially available agent Proradix (R), which contains the strain Pseudomonas sp. DSMZ 13134, on barley. In controlled infection experiments, we showed that Pseudomonas sp. DSMZ 13134 induces resistance to the barley leaf pathogen Rhynchosporium secalis and inhibits the growth of the barley root pathogen Gaeumannomyces graminis. In greenhouse experiments, Pseudomonas sp. DSMZ 13134-treated plants showed enhanced growth and yield under nutrient deprivation. In field trials, an increase of yield and straw weight was observed. While the quality of grains, as determined by starch and protein content, was not affected, the yield increased by up to 20%. Our results demonstrate the value of Pseudomonas sp. DSMZ 13134 in agronomical applications for barley.
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