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| Publication Type:
| Refereed |
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| Author(s): | Figliola, Suzanne S.;
Camper, N. D.;
Bidings, W. H. |
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| Author Affiliation: | Dept. Plant Pathology and Physiology, Clemson University, Clemson, SC. |
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| Title: | Potential Biological Control Agents for Goosegrass (Eleusine indica) |
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| Source: | Weed Science. Vol. 36, No. 6, November 1988, p. 830-835. |
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| Publishing Information: | Champaign, IL: Weed Science Society of America |
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| Keywords: | TIC Keywords: Biological control; Eleusine indica; Pathogens; Fungi; Weed control
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| Abstract/Contents: | "Two leaf-spoting pathogens [Bipolaris setariae (Saw.)] and [Piricularia grisea (Cke.) Sacc.] were isolated from severely infected goosegrass plants. Pathogenicity tests conducted at 28 C showed that both fungi were 100% effective in infecting goosegrass when given a 72-h dew period. Dew period temperature and duration requirements were tested by inoculating 2-week-old plants with conidial suspensions of each fungus and incubating them in dew chambers (100% relative humidity). Disease index increased as dew period duration increased for both fungi and at all temperatures tested. Infection occurred at all temperatures with an optimum of 24 to 28 C for B. setariae and 28 C for P. grisea. In host range tests, representative plants of the Fabaceae, Malvaceae, Poaceae, and Solanaceae were inoculated with suspensions of either 20,000 or 60,000 spores/ml of each fungus and placed in growth chambers at 28 C. Infection was limited to members of the Poaceae. sorghum showed a hypersensitive response to B. setariae. Both cultivars of corn developed light symptoms in response to both fungi at 20,000 and 60,000 spores/ml." |
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| Language: | English |
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| References: | 16 |
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| See Also: | Other items relating to: IPM
Other items relating to: BIOCON |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Figliola, S. S., N. D. Camper, and W. H. Bidings. 1988. Potential Biological Control Agents for Goosegrass (Eleusine indica). Weed Sci. 36(6):p. 830-835. |
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MSU catalog number: SB 610 .W38 |
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