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Publication Type:
| Report |
Author(s): | Brede, A. D.;
Harris, T. N. |
Author Affiliation: | Jacklin Seed Company, Post Falls, Idaho |
Title: | Control of Ergot in Kentucky Bluegrass Seed Production, 1987 |
Source: | Fungicide and Nematicide Tests. Vol. 43, 1988, p. 268. |
Publishing Information: | St. Paul: American Phytopathological Society |
Keywords: | TIC Keywords: Ergot; Poa pratensis; Claviceps purpurea; Fungicides
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Abstract/Contents: | "Fungicides were evaluated at the Howell farm seed production field of Adelphi Kentucky Bluegrass, located north of Post Falls, Idago. Individual treatment plots were 12 ft x 25 ft with a 6 ft x 25 ft paired, untreated check. Treatments were applied using a pump-driven, boom sprayer, operating at 30 psi and 10 gallons per acre carrier rate. Treatments were applied at (1) the first incidence of pollination (June 2) or (2) at full pollination (June 11). Treatments were evaluated following seed cleaning for ergot sclerotia per 5 grams of seed. Procloraz, SN-596, and FBC-39865 showed significant control of ergot honey dew secretions. Honey dew evaluations correlated closely with treatment ranking of ergot sclerotia in cleaned seed, indicating that tactile evaluation of honey dew may be a valuable evaluation criterion for future studies. When the (ineffetive) hydrated lime treatments were pooled with the control, means of Proxloraz, SN-596, Bayleton (June 11), and FBC-39865 treatments significantly (0.05) differed from the pooled control in sclerotia count in the cleaned seed. Seed yields were unaffected by fungicide treatment." |
Language: | English |
References: | 0 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Brede, A. D., and T. N. Harris. 1988. Control of Ergot in Kentucky Bluegrass Seed Production, 1987. Fungicide Nematicide Tests. 43:p. 268. |
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