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| Web URL(s): | http://archive.lib.msu.edu/tic/ressum/2009/73.pdf
Last checked: 01/23/2017
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Huang, Bingru |
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| Author Affiliation: | Rutgers University |
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| Title: | Evaluation of plant growth regulators and biostimulants for use in managing summer bentgrass decline |
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| Section: | Product Testing Program
Other records with the "Product Testing Program" Section
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| Source: | 2009 Turfgrass and Environmental Research Summary. 2009, p. 73. |
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| Publishing Information: | Far Hills, NJ: United States Golf Association |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Bentgrass decline; Biostimulants; Disease control; Plant growth regulators; Summer
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| Abstract/Contents: | Presents a study conducted to "investigate whether the application of selected PGRs [plant growth regulators] and biostimulants to a bentgrass putting green would enhance turf quality during summer months." Describes the materials and methods used in the experiment, explaining that "we evaluated turf quality, chlorophyll content, photosynthesis rate, leaf area index (indicator of canopy density), green leaf biomass (indicator of canopy color), and root growth." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other Reports from this USGA research project: 2007-26-367 |
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| Note: | Pictures, color |
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| USGA Summary Points: | Turf quality of TurfVigor- and CPRtreated plots were consistently higher than that in the water and nutrient control plots during the whole treatment period (late June to mid-September) in both years. Nutrient control plots were not statistically different from the water control plots for most parameters. The promoting effects of Primo on turf quality started from mid- August in 2007 and early July in 2008. Aminoplex, AVG, and BA had positive effects only in August 2007, and July and August 2008. Shoot growth of creeping bentgrass was promoted and leaf senescence was mitigated when treated with several products. TurfVigor and Primo promoted all physiological parameters on most sampling dates in both years. CPR consistently reduced decline in turf density and increased leaf chlorophyll content but did not affect photosynthetic rate. BA had positive effects on chlorophyll content and photosynthetic rates in July of both years. AVG promoted turf density and Aminoplex promoted photosynthetic rate on a few sampling dates in 2008. Root growth of creeping bentgrass was not consistently affected by any of the product during the whole treatment period. Root surface area was significantly increased in TurfVigor-treated plots in mid-August 2007 and mid-September 2008. Root biomass was significantly increased by TurfVigor and Primo treatments on a few sampling dates in 2007; in 2008, TurfVigor, CPR, Aminoplex, and AVG treatments all had positive effects on a few sampling dates. Our results suggested that proper use of selected biostimulants and PGRs could promote turf growth and alleviate summer bentgrass decline in warm climates. |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Huang, B. 2009. Evaluation of plant growth regulators and biostimulants for use in managing summer bentgrass decline. Turfgrass Environ. Res. Summ. p. 73. |
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| Web URL(s):
http://archive.lib.msu.edu/tic/ressum/2009/73.pdf
Last checked: 01/23/2017
Requires: PDF Reader |
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MSU catalog number: b3609415 |
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