Full TGIF Record # 19994
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Web URL(s):http://www.apsnet.org/publications/phytopathology/backissues/Documents/1990Articles/phyto80n10_957.pdf#page=57
    Last checked: 10/15/2015
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Olanya, O. M.; Fajemisin, J. M.; Weber, G. K.; Kim, S. K.
Author Affiliation:International Institute of Tropical Agriculture, Ibadan, Nigeria
Title:Host range studies of Peronosclerospora sorghi (downy mildew) in Nigeria
Source:Phytopathology. Vol. 80, No. 10, October 1990, p. 1013.
Publishing Information:St. Paul, MN: American Phytopathological Society
Keywords:TIC Keywords: Downy mildew; Peronosclerospora sorghi
Geographic Terms:Nigeria
Abstract/Contents:"Several native grasses, sorghum varieties and maize genotypes were tested for susceptibility to Peronosclerospora sorghi using artificial inoculations at two locations in the South-West and North-Central parts of Nigeria. In the South-Western location, none of the native grasses or the sorghum varieties were infected, but most maize varieties were susceptible. In the North Central zone, sorghum genotypes Tx412, Tx430, ICMPES-28, SDS2298, FEBL, and most maize varieties were systemically infected. Among the native grasses, only Roettboelia cochinchinensis and Dactyloctenium aegyptium were partially susceptible. Oospores and conidiospores were observed in the North-Central savanna ecology while only conidial sporulation of downy mildew was detected in the South-Western forest ecology. The susceptibility of differential sorghum hosts to the North-Central but not to the South West Downy mildews may suggest the presence of two pathotypes in Nigeria. New maize varieties developed at IITA are highly resistant against downy mildews in both areas."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Olanya, O. M., J. M. Fajemisin, G. K. Weber, and S. K. Kim. 1990. Host range studies of Peronosclerospora sorghi (downy mildew) in Nigeria. Phytopathology. 80(10):p. 1013.
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Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1990Articles/phyto80n10_957.pdf#page=57
    Last checked: 10/15/2015
    Requires: PDF Reader
    Notes: Item is within a single large file
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