Full TGIF Record # 23201
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Barr, K. J.; Asher, M. J. C.
Author Affiliation:Broom's Barn Experimental Station, Higham, Bury St. Edmunds, Suffolk, IP28 6NP, UK
Title:The host range of Polymyxa betae in Britain
Source:Plant Pathology. Vol. 41, No. 1, February 1992, p. 64-68.
Publishing Information:Oxford : Blackwell Scientific Publications
Keywords:TIC Keywords: Research; Polymyxa betae; Weeds; Spores; Diseases; Root systems
Abstract/Contents:"The host range of Polymyxa betae on common arable weed species in Britain was determined by growing plants in naturally infested soil and examining their root systems for the presence of resting spores (cystosori). Of the 24-species tested, only Atriplex patula and Chenopodium album of the Chenopodiaceae, and Silene alba of the Caryophyllaceae, were found to be heavily infected. S. alba is a newly recorded host species for Polymyxa. The host specificity of isolates of P. betae from Beta vulgaris, C. album and A. patula was investigated by observing which of 11 test plants could be infected by the isolates obtained from this soil. Three main biotypes of P. betae appeared to be distinguishable: one which was able to infect all chenopodiaceous species; one which had a narrower host range; and one which was able to infect S. alba. The role of weed species in the epidemiology of rhizomania is discussed."
Language:English
References:17
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Barr, K. J., and M. J. C. Asher. 1992. The host range of Polymyxa betae in Britain. Plant Pathol. 41(1):p. 64-68.
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