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| Web URL(s): | http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1991Abstracts/PD_75_863B.htm
Last checked: 10/13/2015 |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Dillard, H. R.;
Cobb, A. C.;
Bozard, B. T. |
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| Author Affiliation: | Dillard and Cobb: Department of Plant Pathology, Cornell University, New York State Agricultural Experiment Station, Geneva, New York; Bozard: Medina, New York |
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| Title: | Velvetleaf, a new host for Sclerotinia sclerotiorum |
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| Source: | Plant Disease. Vol. 75, No. 8, August 1991, p. 863. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| Keywords: | TIC Keywords: Diseases; Hosts of plant pests; Weeds; Spores
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| Geographic Terms: | New York |
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| Abstract/Contents: | "In 1990, velvetleaf (Abutilon theophrasti Medik.) was abundant in some fields of cabbage (Brassica oleracea L. var. capitata L.) in New York. Removal of this weed had been delayed because of frequent rains in August and September. Several velvetleaf plants were observed with white cottony fungal growth on the flowers and bleached areas on the main stem and petioles. Sclerotia were present on the surface of the affected stems and in the stem pith. Sclerotinia sclerotiorum (Lib.) de Bary was isolated from symptomatic velvetleaf tissue. Cabbage plants in direct contact with diseased velvetleaf also showed symptoms of Sclerotinia rot. Sclerotinia rot of cabbage was previously reported in association with infestations of ragweed in cabbage fields (l). Velvetleaf plants were grown in the greenhouse for 11 wk until blossoms were produced. A spore suspension (25,000 ascospores per milliliter) of S. sclerotiorum was atomized onto the blossoms, and the plants were incubated in a moist chamber for 10 days. The symptoms that developed were similar to those observed on naturally infected plants, and the pathogen was reisolated from the blossoms. This appears to be the first report of S. sclerotiorum on velvetleaf." |
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| Language: | English |
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| References: | 1 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dillard, H. R., A. C. Cobb, and B. T. Bozard. 1991. Velvetleaf, a new host for Sclerotinia sclerotiorum. Plant Dis. 75(8):p. 863. |
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| Web URL(s):
http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1991Abstracts/PD_75_863B.htm
Last checked: 10/13/2015 |
| 
MSU catalog number: SB 599 .P95 |
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