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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T015.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t15.asp
Last checked: 03/14/2017
Notes: Report Summary |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Martinez-Espinoza, A. D.;
Burpee, L. L. |
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| Author Affiliation: | Department of Plant Pathology, University of Georgia, Griffin, Georgia |
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| Title: | Fungicide program for dollar spot management of creeping bentgrass in Georgia, 2006 |
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| Section: | Turfgrass
Other records with the "Turfgrass" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T015. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Dollar spot; Fungicide efficacy; Fungicide evaluation; Fungicide programs; Preventive control; Sclerotinia homoeocarpa; Therapeutic control
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "A fungicide trial was conducted on a 14-yr-old sward of creeping bentgrass grown on a sand/peat root zone (pH 6.2) at the Georgia Experiment Station. Fertilizer treatments consisted of 1.0 lb and 0.5 lb nitrogen (Lesco 24-4-10) per 1000 sq ft applied on 1 May and 4 Sep, respectively. The turfgrass was maintained at a height of 0.2 in. by mowing three times per week. The objective of the trial was to establish a management program that provides disease control and high turf quality throughout the bentgrass management year with a rotation of fungicides. Two management programs were evaluated termed "preventive" and "curative", respectively. Treatments were arranged as plots (3.3 x 5 ft) in a randomized complete block design with four replications. Initial fungicide applications were made on 22 May and followed a pre-set schedule (see footnotes of table). Fungicides were applied using 2.5 gal of water per 1000 sq ft with a wheel-mounted, CO2-pressured boom sprayer at 30 psi using XR TeeJet 8002VS nozzles. Subsequent sequential applications were made according to the preset schedule. The turfgrass was inoculated with autoclaved tall fescue seed infested with a bentgrass isolate of S. homoeocarpa six hours after the initial applications. The plots received approximately 0.24 in. of irrigation water daily at 15:00 and 17:00 to ensure foliar wetness for infection. Visual counting of dollar spot infection centers was conducted at 14- day intervals from the initial application date. Values were subjected to analysis of variance and means were statistically separated using the Fisher's Protected LSD procedure at a probability value of Α=0.05. Dollar spot incidence progressed rapidly, reaching >231 dollar spot centers by 27 Jun. The highest infection was observed by 17 Jul in which the infection centers reached 300 in non-treated plots. Throughout the study, both management programs provided significant (Α=0.05) disease suppression compared to the non-treated check. The curative program had the lowest number of infection centers per plot throughout the study." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Martínez-Espinoza, A. D., and L. L. Burpee. 2009. Fungicide program for dollar spot management of creeping bentgrass in Georgia, 2006. PDMR: Plant Dis. Manage. Rep. 3:p. T015. |
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| If there are problems with this record, send us feedback about record 155136. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T015.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t15.asp
Last checked: 03/14/2017
Notes: Report Summary |
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