Full TGIF Record # 6985
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/77/4/AJ0770040597
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Publication Type:
i
Refereed
Author(s):Smiley, R. W.; Fowler, M. Craven; Kane, R. T.; Petrovic, A. M.; White, R. A.
Author Affiliation:Smiley: Associate Professor; Fowler: Research Support Specialist; Kane: Graduate Research Assistant, Department of Plant Pathology; Petrovic: Assistant Professor; White: Technician, Department of Floriculture and Ornamental Horticulture, New York State College of Agriculture and Life Sciences, Cornell University, Ithaca, New York
Title:Fungicide effects on thatch depth, thatch decomposition rate, and growth of Kentucky bluegrass
Source:Agronomy Journal. Vol. 77, No. 4, July/August 1985, p. 597-602.
Publishing Information:Madison, WI: American Society of Agronomy
# of Pages:6
Keywords:TIC Keywords: Thatch; Thatch decomposition; Growth factors; Poa pratensis; Fungicide trials; Thatch accumulation; Fungicides; Root growth; Rhizomes; Soil analysis
Abstract/Contents:"Development of improved management strategies for controlling thatch on tuifgrasses is limited by an incomplete understanding of thatch biology. Mechanisms whereby fungicides cause thatch to accumulate in turfgrass were investigated, by evaluating the influences of fungicides on rates of tissue production and thatch decomposition. Fourteen fungicides, one nematicide, and five mixed-fungicide programs were applied repeatedly (up to nine times annually), over a 4-yr period, to a field-grown Kentucky bluegrass (Poa pratensis L.) turf on a soil of the fine, illitic mesic family of Glossoboric Hapludalfs. Measurements were made of thatch depths, root and leaf clipping weights, shear strength of sod, and decomposition rates for thatch implanted into the turfs. Compounds that caused thatch to become deeper (p = 0.05) than in the nontreated control included benomyl, cadmium succinate, fenamiphos, iprodione, and mancozeb. Treatments in which these pesticides were used were characterized by sod shear strengths greater (p = 0.05) than in the control. Thatch accumulations were related mostly to the amounts of roots in the surface 4 cm. None of the studied fungicides significantly (p = 0.10) reduced the apparent rate of thatch decomposition. Fungicides in this study therefore appeared to induce thatchiness in Kentucky bluegrass by increasing the rates of root and rhizome production and not by reducing the rate of litter decomposition."
Language:English
References:26
See Also:Other items relating to: THATCH
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Smiley, R. W., M. C. Fowler, R. T. Kane, A. M. Petrovic, and R. A. White. 1985. Fungicide effects on thatch depth, thatch decomposition rate, and growth of Kentucky bluegrass. Agron. J. 77(4):p. 597-602.
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https://dl.sciencesocieties.org/publications/aj/pdfs/77/4/AJ0770040597
    Last checked: 12/09/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 22 .A45
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