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05 포스터 발표 : PN-06 ; 근권세균에 의한 배추 염내성 효과
후세인카알이드 ( Khalid A. Hussein ),주진호 ( Jin Ho Joo ) 한국환경농학회 2014 한국환경농학회 학술대회집 Vol.2014 No.-
Salinity has been a threat to agriculture in some parts of the world; and recently, the threat has grown. Plant growth-promoting rhizobacteria (PGPR) may benefit plant growth, either by improving plant nutrition or producing plant growth hormones. The effects of rhizobacterial strains to reduce the salinity stress on the germination of Chinese cabbage seeds were tested using four concentrations of NaCl (50, 100, 150, and 200 mM). Also, PGPR strains were tested to enhance the early germination of Chinese cabbage seeds under normal conditions. Azotobacter chroococcum showed best with enhancing in the radicle length of 4, 1.2, and 1 at treatments of 50, 100, and 150 mM of NaCl, respectively. Additionally, significant differences were found in plumule length, A. chroococcum and Lactobacillus sp showed remarkable activation either in normal or under stress conditions. Co-inoculation by three rhizobacterial strains (LAPmix) indicated synergistic effect to enhance the early germination of the seeds. The results of this study are promising for application of rhizobacterial strains that possess plant growth promoting traits to enhance the plant tolerance against salinity.
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