Use of a soil surfactant with fungicides for control of fairy ring disease in turfgrass

Michael Anthony Fidanza, F. P. Wong, S. J. Kostka, S. J. McDonald

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Fairy ring is the common name for a complex disease of turf encompassing the appearance of mushrooms, circles of stimulated grass, or rings of damaged or dead turfgrass maintained for lawns, athletic fields, or golf courses. Type-I fairy ring is especially destructive due to the development of water repellent or hydrophobic soil conditions and the subsequent decline and damage to the existing turfgrass. Fairy ring management strategies, particularly the control or suppression of Type-I fairy ring symptoms, has been inconsistent in effectiveness. The objective of this field study was to evaluate the efficacy of fungicides recommended for fairy ring control when applied alone and with a soil surfactant. This research was conducted on cool-season turfgrass in California in 2005, and in Pennsylvania in 2006. The same treatments were applied at both locations. The four fungicide treatments were evaluated at 620 g active ingredient (a.i.) azoxystrobin-ha-1, 9757 g a.i. flutolanil-ha-1, 310 g a.i polyoxin-D-ha-1, or 558 g a.i. pyraclostrobin-ha-1. Each fungicide was applied alone and in a tank-mix combination with the modified alkylated polyol soil surfactant (100 % concentration) at 19 L product-ha-1. All treatments were applied at two water carrier volumes of 814 and 1628· L·ha-1. At both locations, Type-I fairy ring symptoms were noticeably reduced in plots treated with fungicides plus soil surfactant at either water carrier volume versus plots treated with fungicides alone applied at 814 L water carrier ha-1. Therefore, the consistently best overall treatment for the control or suppression of Type-I fairy ring symptoms was fungicides plus soil surfactant at either water carrier volume. The application of plant protection products at the lower water volume is preferred by turfgrass managers and practitioners; thus the utility of soil surfactants applied with fungicides is a useful strategy for the chemical control of fairy ring in turf.

Original languageEnglish (US)
Title of host publicationPesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments
PublisherASTM International
Pages77-82
Number of pages6
Volume1500 STP
ISBN (Print)9780803144989
StatePublished - 2008
EventPesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments - Atlanta, GA, United States
Duration: Oct 24 2006Oct 26 2006

Other

OtherPesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments
CountryUnited States
CityAtlanta, GA
Period10/24/0610/26/06

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Fungicides
Surface-Active Agents
Surface active agents
Soils
Water
Polyols
Managers

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Fidanza, M. A., Wong, F. P., Kostka, S. J., & McDonald, S. J. (2008). Use of a soil surfactant with fungicides for control of fairy ring disease in turfgrass. In Pesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments (Vol. 1500 STP, pp. 77-82). ASTM International.
Fidanza, Michael Anthony ; Wong, F. P. ; Kostka, S. J. ; McDonald, S. J. / Use of a soil surfactant with fungicides for control of fairy ring disease in turfgrass. Pesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments. Vol. 1500 STP ASTM International, 2008. pp. 77-82
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Fidanza, MA, Wong, FP, Kostka, SJ & McDonald, SJ 2008, Use of a soil surfactant with fungicides for control of fairy ring disease in turfgrass. in Pesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments. vol. 1500 STP, ASTM International, pp. 77-82, Pesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments, Atlanta, GA, United States, 10/24/06.

Use of a soil surfactant with fungicides for control of fairy ring disease in turfgrass. / Fidanza, Michael Anthony; Wong, F. P.; Kostka, S. J.; McDonald, S. J.

Pesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments. Vol. 1500 STP ASTM International, 2008. p. 77-82.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Fidanza MA, Wong FP, Kostka SJ, McDonald SJ. Use of a soil surfactant with fungicides for control of fairy ring disease in turfgrass. In Pesticide Formulations and Delivery Systems, 27th Volume: Traditional and Non-Traditional Developments. Vol. 1500 STP. ASTM International. 2008. p. 77-82