Full TGIF Record # 72738
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Web URL(s):http://archive.lib.msu.edu/tic/turfx/article/2001jan1b.pdf
    Last checked: 12/14/12
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Publication Type:
Author(s):Dernoeden, Peter H.
Author Affiliation:Contributing Editor, Turfax
Title:Non-target effects of fungicides
Source:TURFAX. Vol. 9, No. 1, January/February 2001, p. 1-2, 7.
# of Pages:3
Publishing Information:Chelsea, MI: Ann Arbor Press
Keywords:TIC Keywords: Non-target effects; Fungicides; Cultural methods; Environmental stress; Traffic; Mowing height; Fungicide resistance; Preventive control; Systemic fungicides; Phytotoxicity; Sterol-inhibiting fungicides; Thatch
Abstract/Contents:Discusses reasons that fungicides may be necessary and reasons that cultural practices are not always enough to prevent disease. Explains that environmental stresses, traffic, frequent and close mowing, excessive grooming during periods of environmental stress, light and frequent irrigation or excessive irrigation, and applications of inadequate or excessive amounts of nitrogen fertilizer weaken plants, predisposing them to fungal pathogens. Recommends fungicides treatment for chonically damaging diseases, particularly on golf course putting greens in regions where snow molds, pythium blight, brown patch, summer patch, and antracnose are common. Suggests that the key to successful curative fungicide profram is vigilant scouting. Also details reasons why repeated fungicide applications are undesirable including: development of fungicide resitant pathogens, which is most likely to occur with dollar spot and Pythium blight fungi; continuous fungicide usage may lead to a build-up of microorangism that degrade the active ingredient, resulting in reduced residual control; disease resurgence, a phenomenon in which a disease recurs more rapidly and causes more injury in turfs previously treated with fungicides, when compared to non-fungicide-treated sites; a fungicide may control one disease, but encourage another disease, phytotoxicity or objectionable plant growth regulator effects; and encouragement of algae.
Note:Partial reprint appears in Turfnotes: Turf Management Newsletter, [2002], p. [1-2], with variant title "You'de really rather switch than fight"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dernoeden, P. H. 2001. Non-target effects of fungicides. TURFAX. 9(1):p. 1-2, 7.
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    Last checked: 12/14/12
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