Full TGIF Record # 12425
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Web URL(s):http://www.pgrsa.org/sites/default/files/conference_proceedings/pgrsa-1984.pdf#page=214
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Freeborg, R. P.; Daniel, W. H.
Author Affiliation:Agronomist and Turf Specialist, respectively, Dept. of Agronomy, Purdue University, West Lafayette, IN.
Title:Growth Regulation of Perennial Grasses with Amidochlor
Meeting Info.:Held: July 29-August 1, 1984, Boston, MA.
Source:Proceedings of the Eleventh Plant Growth Regulator Society. Vol. 11, July/August 1984, p. 214.
Publishing Information:Plant Growth Regulator Society of America, Lake Alfred, Florida
Keywords:TIC Keywords: Growth regulators; Perennial grasses; Poa pratensis; Festuca rubra subsp. rubra; Festuca rubra subsp. commutata; Lolium perenne; Amidochlor
Abstract/Contents:"The growth regulator Amidochlor (flowable MON 4621 and granular MON 4623) was applied to perennial turfgrasses in 1983 and 1984. In 1983 grasses treated included: varieties of Poa pratensis, (Park, Delta, Newport, Baron, Wabash); a bluegrass blend of equal parts Bensun, Baron, Touchdown and Enmundi: fine leaved fescues, Festuca rubra, F. rubra var. commutata, (Pennlawn and Koket); Lolium perenne, perennial ryegrasses, (Pennfine and Manhattan). Application rates were 2.8 and 5.6 kg/ha. Turf was treated 25 to 28 April at early greenup. Measurements were made over a 12-week period. All grasses showed a significant reduction in plant height and clipping yield. Turf quality, or color and density, was slight less than the untreated control for the Poa pratensis. For the Koket, it was significantly less than the untreated at the 5.6 kg/ha rate, while Pennlawn showed little difference. Quality of the perennial ryegrasses was equal to or better than the untreated control. In 1984 MON 4621 (flowable) was applied to varieties of Poa pratensis, (Baron and Newport), at rates of 1.8, 2.2, 2.8 and 2.4 kg/ha. Mefluidide was used as a standard at 0.4 kg/ha to control seedhead development. Applications were made on 27 April 1984. Seedheads emerged on 11 May 1984. On 5 July mefluidide gave 100% seedhead control on both Baron and Newport. MON 4621 at 3.4 kg/ha gave 100% control of seedheads on Baron and 93% on Newport. At 2.8 kg/ha Baron had 90% and Newport 80% seedhead control."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Freeborg, R. P., and W. H. Daniel. 1984. Growth Regulation of Perennial Grasses with Amidochlor. Proc. Plant Growth Regul. Soc. Am. 11:p. 214.
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