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| Web URL(s): | http://archive.lib.msu.edu/tic/ressum/1986/9.pdf?_ga=1.212435412.1383136656.1456948762#zoom=124,0,700
Last checked: 01/20/2017
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Shearman, Robert C. |
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| Author Affiliation: | University of Nebraska |
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| Title: | Turfgrass cultural practices and their interactive effects on rooting. |
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| Source: | Annual Turfgrass Research Report [USGA/GCSAA]. December 1986, p. 9-10. |
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| Publishing Information: | Far Hills, New Jersey: United States Golf Association, Golf House. |
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| # of Pages: | 2 |
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| Full Report URL: | http://turf.lib.msu.edu/rprl/135.pdf
Last checked: 9/2001
Requires: Adobe Acrobat
Notes: This is the entire full report! |
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| Keywords: | TIC Keywords: Cultural methods; Irrigation frequency; Poa pratensis; Potassium; Rooting; Snow molds; Typhula blight; United States Golf Association
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| Abstract/Contents: | "The USGA has set goals of 50% reduction in turfgrass water use and 50% lower maintenance costs. Results from the irrigation frequency x potassium nutrition study conducted during 1986 demonstrated that decreasing irrigation frequency and increasing potassium nutrition levels resulted in equal or better putting green conditions than turfs receiving frequent daily irrigation. Snow mold [Typhula blight] incidence decreased with increasing potassium. a 60% reduction in disease incidence was found between treatments of 4 and 8 lbs K/1000 ft2/season. These results indicate a strong potential to reduce maintenance cost by manipulating irrigation frequency and potassium nutrition, particularly on sand growing media. The interaction of turfgrass species root growth and distribution was investigated under drought stress condition. Species were eliminated when root growth ceased and permanent wilt symptoms were expressed. Tall fescue, creeping red fescue, perennial ryegrass and creeping bentgrass produced roots to 1220 mm to 1520 mm. rough bluegrass ranked intermediate in root production, but wilted very early in the drought stress cycle since approximateely 50% to 56% in these characteristics. Ram I, Touchdown and Eclipse had high percentages of root growth supporting top growth. Potassium nutrition studies on creeping bentgrass and Kentucky bluegrass demonstrated that drought avoidance characeristics increased with K nutrition. Wilting tendency decreased as K nutrition was increased from 0 to 8 lbs K/1000ft2. Turfgrass wear tolerance increased with increasing K rates. Studies were initiated in the JSA Turfgrass Rhizotron to investigate growing media and microenvironment. An ERDAS system was purchased to be used as a means to quantitate turfgrass root growth in the rhizotron and in other rooting studies. An additional 10,000 ft2 of creeping bentgrass green area was established for research purposes. This additional green brings the total area to approximately 56,000 ft2. A creeping bentgrass cultivar study was initiated September, 1986. Plots were designed to incorporate cultural practice on the replicated cultivar study." |
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| Language: | English |
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| References: | 0 |
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| See Also: | See also related manuscript, Turfgrass Cultural Practices and Their Interactive Effects on Rooting: [1986 Annual Progress Report], 1986, R=248587. R=248587 |
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| See Also: | Other Reports from this USGA research project: 1984-09-017 |
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| Note: | Entire contents as abstract. |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Shearman, R. C. 1986. Turfgrass cultural practices and their interactive effects on rooting.. Turfgrass Environ Res. Summ. p. 9-10. |
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| Web URL(s):
http://turf.lib.msu.edu/rprl/135.pdf
Last checked: 9/2001
Requires: Adobe Acrobat
Notes: This is the entire full report! |
| 
MSU catalog number: SB 433 .A1 A6 |
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