請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/69833
標題: Application of antagonistic rhizobacteria for control of Fusarium seedling blight and basal rot of lily
作者: Chung, W.C.
黃振文
Wu, R.S.
Hsu, C.P.
Huang, H.C.
Huang, J.W.
關鍵字: Fusarium proliferatum
Lily seedling blight
F. oxysporum f. sp lilii
Lily basal rot
Sporgon
Antagonistic bacteria
Streptomyces
misionensis
Bacillus thermoglucosidasius
bacillus-cereus uw85
f-sp lilii
biological-control
integrated
control
gaeumannomyces-graminis
zwittermicin-a
root-rot
bacteria
subtilis
oxysporum
期刊/報告no:: Australasian Plant Pathology, Volume 40, Issue 3, Page(s) 269-276.
摘要: Three antagonistic bacteria, Streptomyces misionensis strain PMS101, Bacillus thermoglucosidasius strain PMB207, and S. sioyaensis strain PMS502, were tested for sensitivity to the foliar fungicide Sporgon (a.i. 50% prochloraz-Mn complex) and for efficacy in controlling Fusarium diseases of lily. Results showed that the growth of all three antagonistic strains of bacteria was completely suppressed by Sporgon at a concentration of 500 mu g/mL, but B. thermoglucosidasius strain PMB207 and S. misionensis strain PMS101 were unaffected at concentrations of 100 mu g/mL or lower. A large-scale trial in an automated and environment-controlled commercial greenhouse showed that treatment of scale bulblets of lily with Sporgon (100 mu g /mL) and B. thermoglucosidasius strain PMB207 (1-1.2 x 10(7) cfu/mL) or 100 mu g/mL Sporgon and S. misionensis strain PMS101 (1-1.4 x 10(7) cfu/mL) resulted in a significant reduction (P < 0.05) in the incidence of seedling blight caused by Fusarium proliferatum. The difference between these two treatments was not significant (P > 0.05). Results of the greenhouse and field experiments showed that treatment of scale bulblets or one-year-old bulbs of lily with B. thermoglucosidasius strain PMB207 (1-1.2 x 10(8) cfu/mL) or S. misionensis strain PMS101 (1-1.4 x 10(8) cfu/mL) without Sporgon was also effective in the control of basal rot caused by F. oxysporum f. sp. lilii. These studies reveal that B. thermoglucosidasius strain PMB207 and S. misionensis strain PMS101 are biocontrol agents which have potential for use in the commercial production of lily bulbs, as they can be used alone or in combination with the fungicide Sporgon at low concentration (< 100 mu g/mL).
URI: http://hdl.handle.net/11455/69833
ISSN: 0815-3191
文章連結: http://dx.doi.org/10.1007/s13313-011-0040-3
顯示於類別:農業暨自然資源學院

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