The Effect of Ethephon on Annual Bluegrass and Creeping Bentgrass Growth

Eggens, J. L.; Wright, C. P. M.; Murr, Dennis P.; Carey, K.

doi:10.4141/cjps89-163

Cited by 15 publications

(20 citation statements)

References 3 publications

(3 reference statements)

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“…Ethephon suppressed weekly clipping yield 13 to 36% for 9 of the 12 weeks (Fig. 1b) without PIGE which is consistent with previously reported growth inhibition of creeping bentgrass, Kentucky bluegrass, and Poa annua (1,2,3,14). Results for the two ethephon rates were generally comparable for the first six weeks, while lower clipping yields were observed with the high ethephon rate for five of the last six weeks.…”

Section: Growth Measurementssupporting

confidence: 91%

“…Ethephon is an ethylene‐based PGR that delays flowering, selectively aborts flowers, and reduces stem elongation (15). Researchers have noted ethephon applied alone effectively reduces clippings of creeping bentgrass, Kentucky bluegrass ( Poa pratensis L.), and Poa annua (1,2,3,14). Although combining ethephon with TE arrests Poa annua seedhead formation, consistent use of this PGR combination on creeping bentgrass golf greens has received limited comprehensive investigation.…”

Section: Introductionmentioning

confidence: 99%

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Ethephon and Trinexapac-ethyl Influence Creeping Bentgrass Growth, Quality, and Putting Green Performance

McCullough

Li²,

McCarty³

et al. 2006

Ats

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Combining ethephon with trinexapac‐ethyl effectively inhibits Poa annua L. seedheads and applying this combination during summer months may enhance growth regulation of creeping bentgrass (Agrostis palustris Huds.) relative to exclusive trinexapac‐ethyl use. To test this hypothesis, a two‐year field experiment investigated growth, quality, and ball‐roll distances of an ‘L‐93’ creeping bentgrass golf green treated with ethephon at 0, 3.8, or 7.6 kg a.i./ha with trinexapac‐ethyl at 0 or 0.04 kg a.i./ha every 4 weeks over 12 weeks. Ethephon provided substantial clipping yield reductions but did not enhance ball‐roll distances alone or improve trinexapac‐ethyl efficacy. Trinexapac‐ethyl most effectively suppressed creeping bentgrass shoot growth one to two weeks after treatments but post‐inhibition shoot growth enhancement occurred which exacerbated summer root decline. Overall, clipping reductions from ethephon do not enhance ball‐roll distances and ethephon does not appear to enhance growth regulation effects of trinexapac‐ethyl on creeping bentgrass golf greens.

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Section: Growth Measurementssupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Ethephon and Trinexapac-ethyl Influence Creeping Bentgrass Growth, Quality, and Putting Green Performance

McCullough

Li²,

McCarty³

et al. 2006

Ats

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show abstract

“…Diesburg and Christians (5), however, did report that ethephon (4.48 kg ai/ha) caused slight phytotoxicity to Kentucky bluegrass, which was observed 32 to 47 days after treatment. Eggens et al (6) applied ethephon at rates ranging from 0.5 to 8.0 kg ai/ha one, two and three times on a three‐week interval between July 1981 and May 1982 to mixed fairway stands of creeping bentgrass and annual bluegrass. They observed a decline in turf quality due to annual bluegrass injury, but did not observe any injury to the creeping bentgrass.…”

Section: Introductionmentioning

confidence: 99%

Scalping and Creeping Bentgrass Quality as Influenced by Ethephon and Trinexapac-ethyl

Dernoeden

Pigati

2009

Applied Turfgrass Science

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Ethephon is commonly tank‐mixed with trinexapac‐ethyl (TE) and applied to putting greens in spring to manage annual bluegrass (Poa annua L.) seedheads. Previous research indicated that ethephon can predispose fairway‐height creeping bentgrass (Agrostis stolonifera L.) to scalping. It would be prudent to determine if ethephon has similar effects on creeping bentgrass maintained as a putting green. This study was conducted on a mature stand of ‘Providence’ creeping bentgrass grown on a sand‐based rootzone and maintained as a putting green. In 2007 and 2008, ethephon (3.8 kg ai/ha) and TE (0.045 kg ai/ha) were applied alone or in tank‐mix combination either once or twice beginning in April. Scalping first became evident on a consistent basis in early June about 38 days following the second ethephon application in each year. Two applications of ethephon alone or tank‐mixed with TE resulted in significant scalping that persisted from 35 to 56 days. Plots treated twice with ethephon exhibited reduced quality for 28 to 84 days. Golf course superintendents should be made aware of the potential level and time period that ethephon can predispose putting green height creeping bentgrass to scalping.

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“…Ethephon promotes modifications in the hormonal balance in favor of ethylene and, specially, an unbalance between this hormone and the cytokinins. This causes a reduction in the amount of energy required for cell division in the development and emission of floral stems (Eggens et al, 1989;Gelernter & Stowell, 2001;McCullough et al, 2005b). On the other hand, ethephon has little to no effect on floral stems already emitted by the plant (Stier et al, 2000;Diesburg, 2000;McCullough et al, 2005b).…”

Section: Ethephonmentioning

confidence: 99%

Growth inhibitors in turfgrass

2013

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-Well-maintained lawns are comfortable and safe places for leisure activities and sports practice, and they also bring environmental benefits; for example, they reduce soil exposure to erosion and releases atmospheric CO 2 , thus reducing the greenhouse effect. However, regardless of the purpose of use or the choice of the plant species to form the lawn, the highest costs involve cutting that is needed to keep the turfgrass at its appropriate height. Successive lawn cutting operations are necessary basically because of the vegetative and reproductive growth of turfgrass which, in Brazil, occurs mainly from October to March. Expenditures with successive mechanical cuttings have fostered the search of alternative procedures to keep lawn plants at appropriate height, such as the use of plant growth inhibitors, an increasingly interesting procedure. Since the use of this technology in Brazil is still at its early stage, the aim of this literature review is to examine aspects associated with lawn management by using growth inhibitors. Another alternative is to increase the knowledge of the classification and rational application of the different compounds currently available in the market.Keywords: growth regulator, lawn, bio-stimulant, injury, selectivity, herbicide.RESUMO -Um gramado bem mantido proporciona local confortável e seguro para diversão e prática de esportes, reduz a exposição do solo à erosão, libera oxigênio e captura CO 2 atmosférico, atenuando o efeito estufa. Contudo, independentemente da modalidade de uso ou da escolha da espécie, o principal fator do custo de manutenção dos gramados é o corte para manter a altura adequada. As sucessivas operações de corte estão basicamente relacionadas ao crescimento vegetativo e florescimento da grama, sobretudo nos meses de outubro a março. O dispêndio com os cortes sucessivos leva à procura de alternativas para o manejo mecânico, tendo como possibilidade o uso de inibidores de crescimento vegetal. Como o uso dessa tecnologia em gramados no Brasil ainda é muito incipiente, pretende-se neste texto de revisão abordar os aspectos relativos ao manejo de gramados pelo uso de substâncias inibidoras do desenvolvimento vegetal, bem como atualizar os conhecimentos quanto à classificação e aplicação racional dos diferentes compostos atualmente disponíveis.

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The Effect of Ethephon on Annual Bluegrass and Creeping Bentgrass Growth

Cited by 15 publications

References 3 publications

Ethephon and Trinexapac-ethyl Influence Creeping Bentgrass Growth, Quality, and Putting Green Performance

Ethephon and Trinexapac-ethyl Influence Creeping Bentgrass Growth, Quality, and Putting Green Performance

Scalping and Creeping Bentgrass Quality as Influenced by Ethephon and Trinexapac-ethyl

Growth inhibitors in turfgrass

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