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Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1980Articles/Phyto70n10_1009.pdf Last checked: 08/16/2012 Requires: PDF Reader |
Publication Type:
| Refereed |
Author(s): | Dernoeden, Peter H.;
Jackson, Noel |
Author Affiliation: | Dernoeden: Graduate Research Assistant; Jackson: Professor, Department of Plant Pathology and Entomology, University of Rhode Island, Kingston |
Title: | Infection and mycelial colonization of gramineous hosts by Sclerophthora macrospora |
Section: | Ecology and epidemiology Other records with the "Ecology and epidemiology" Section
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Source: | Phytopathology. Vol. 70, No. 10, October 1980, p. 1009-1013. |
# of Pages: | 5 |
Related Web URL: | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1980Abstracts/Phyto70_1009.htm Last checked: 08/16/2012 Notes: Abstract only |
Keywords: | TIC Keywords: Lolium perenne; Sclerophthora macrospora; Apical meristem; Leaf primordia; Damping-off; Secale cereale; Downy mildew
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Abstract/Contents: | "Seedlings of Lolium perenne were more susceptible to infection than were more mature plants following inoculation with zoospores of Sclerophthora macrospora. Repeated exposure of seedlings to high concentrations of zoospores resulted in higher infection and damping-off percentages than a single exposure to zoospores. The ratio of infected plants to inoculum levels tended to decrease as the amount of inoculum increased. The mesocotyl region of seedlings and the shoot apical meristem, axillary buds, and the intercalary meristem of mature plants were likely portals of entry. Following penetration, mycelium rapidly colonized developing leaf primordia. Mycelial growth was most extensive in older portions of the youngest leaves. Numbers of substomatal sporangiophoric pads were proportional to the percent leaf area colonized by secondary mycelium." |
Language: | English |
References: | 17 |
Note: | Pictures, b/w Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Dernoeden, P. H., and N. Jackson. 1980. Infection and mycelial colonization of gramineous hosts by Sclerophthora macrospora. Phytopathology. 70(10):p. 1009-1013. |
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| Web URL(s): http://www.apsnet.org/publications/phytopathology/backissues/Documents/1980Articles/Phyto70n10_1009.pdf Last checked: 08/16/2012 Requires: PDF Reader |
| MSU catalog number: SB 599 .P48 |
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