Full TGIF Record # 262272
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DOI:10.1007/s13580-015-0109-y
Web URL(s):https://link.springer.com/content/pdf/10.1007%2Fs13580-015-0109-y.pdf
    Last checked: 10/06/2017
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    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Jeon, Seung Woo; Naing, Kyaw Wai; Lee, Yong Seong; Nguyen, Xuan Hoa; Kim, Sang Jun; Kim, Kil Yong
Author Affiliation:Jeon and Kim, S.: Corporation of Nature and People, Okseomeon, Gunsan; Naing, Lee, Nguyen and Kim, K.: Institute of Environmentally-Friendly Agriculture, College of Agriculture and Life Sciences, Chonnam National University, Gwangju, Korea
Title:Promotion of growth and biocontrol of brown patch disease by inoculation of Paenibacillus ehimensis KWN38 in bentgrass
Source:Horticulture, Environment and Biotechnology. Vol. 56, No. 2, April 2015, p. 263-271.
# of Pages:9
Publishing Information:Suwon, Korea: Korean Society for Horticultural Science
Related Web URL:https://link.springer.com/article/10.1007/s13580-015-0109-y
    Last checked: 10/06/2017
    Notes: Abstract only
Keywords:TIC Keywords: Agrostis stolonifera; Antagonism; Biological control; Chlorophyll; Control methods; Disease control; Disease profile; Evaluations; Growth factors; Inoculation; Paenibacillus; Rhizoctonia blight; Rhizoctonia solani; Sclerotium
Abstract/Contents:"Brown patch disease, caused by Rhizoctonia solani, is one of the most serious diseases of turf grasses including bentgrass (Agrostis palustris). This disease is usually controlled by different formulations of synthetic fungicides. In this study, two pot trials were carried out to investigate the biocontrol potential of the antagonistic strain Paenibacillus ehimensis KWN38 against R. solani, and to examine the growth response of bentgrass to the inoculated strain. Bentgrass mats with root system in plastic boxes were treated with winter grass medium (W), W plus P. ehimensis KWN38 inoculation (WP), summer grass medium (S), S plus P. ehimensis KWN38 inoculation (SP), fertilizer (F), and F plus fungicide (FF) once every 10 days for three months. After the first month, all pots were infected with R. solani. Sixty days after infection, the leaves of bentgrass in all control treatments (W, S, and F) showed high levels of infection, with significantly higher values than those of WP, SP and FF. The leaf fresh and dry weights of bentgrass innoculated with P. ehimensis KWN38 were all greater than the control treatments W, S and F. Similarly, both fresh and dry weights of the roots and the chlorophyll contents of bentgrass in WP and SP were significantly higher than those of W, S, F and FF. Moreover, bentgrass innoculated with P. ehimensis KWN38 grew faster and showed greater growth performance as compared to the other treatments in the second pot trial with infected bentgrass. A butanol extract of the P. ehinmensis KWN38 culture supernatant significantly reduced the number of fungal colonies initiating from sclerotial fragments on potato dextrose agar. The growth of monilioid cells of R. solani was delayed by treatment with P. ehimensis KWN38 culture broth, while they elongated earlier into thinner structures in the control treatment. In conclusion, the antagonist P. ehimensis KWN38 can be considered as an effective biocontrol agent against brown patch disease, as well as a promising plant growth promoting bacteria of bentgrass."
Language:English
References:42
Note:Pictures, b/w
Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jeon, S. W., K. W. Naing, Y. S. Lee, X. H. Nguyen, S. J. Kim, and K. Y. Kim. 2015. Promotion of growth and biocontrol of brown patch disease by inoculation of Paenibacillus ehimensis KWN38 in bentgrass. J. Korean Soc. Hortic. Sci. 56(2):p. 263-271.
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DOI: 10.1007/s13580-015-0109-y
Web URL(s):
https://link.springer.com/content/pdf/10.1007%2Fs13580-015-0109-y.pdf
    Last checked: 10/06/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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