Ethephon Induced Bloom Delay of Peach Trees, Ohio Usa

Funt, R. C.; Ferree, D. C.

doi:10.17660/actahortic.1986.179.14

Cited by 8 publications

(11 citation statements)

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“…(Table 1). Bloom delay during 2004 on almond trees was similar to peach, apricot, plum, sour cherry, and prune trees (Probsting and Mills, 1973;Dennis, 1976;Webster, 1984;Buban and Turi, 1986;Funt and Ferre, 1986;Gianfagna et al, 1986;Crisosto et al, 1990;Sloan and Matta, 1996;Ebel et al, 1999;Coneva and Cline, 2009). The absence of almond response observed in 2005 is similar to the results found in peach (Gianfagna et al, 1986;Ebel et al, 1999).…”

Section: Discussionmentioning

confidence: 81%

“…Ethephon neither caused gum exudation on scaffold limbs reported by Dennis (1976) and Gianfagna et al (1986) nor delayed the harvest date observed in peach by Funt and Ferre (1986).…”

Section: Nut Qualitymentioning

confidence: 82%

“…Ethephon (2-chloroethylphosphonic acid) applied at 100 to 4000 mg L -1 in the fall has delayed bloom in the following spring in fruit trees and increased bud survival (Probsting and Mills, 1973;Dennis, 1976;Webster, 1984;Funt and Ferre, 1986;Gianfagna et al, 1986;Buban and Turi, 1986;Crisosto et al, 1990;Sloan and Matta, 1996;Ebel et al, 1999;Coneva and Cline, 2009). This benefit was offset by side effects, such as gummosis, flower abscission or failure of the floral bud to open, low fruit set, and yield reduction (Probsting and Mills, 1973;Dennis, 1976;Webster, 1984;Gianfagna et al, 1986;Crisosto et al, 1990;Coneva and Cline, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Fall applications of ethephon delayed fruit maturity and increased winter hardiness resulting in higher yields because of frost avoidance (Buban and Turi, 1986;Crisosto et al, 1990;Funt and Ferre, 1986). However, ethephon has had contradictory results on harvest date and yield (Crisosto et al, 1990;Coneva and Cline, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Effect of Ethephon on Almond Bloom Delay, Yield, and Nut Quality under Warm Climate Conditions in Northwestern Mexico

Grijalva-Contreras

Martínez-Díaz

Macías-Duarte³

et al. 2011

Chilean J. Agric. Res.

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World almond (Prunus dulcis (Mill.) D.A. Webb) production is mostly located in areas where flowering is injured by low temperatures, and using ethephon (2-chloroethylphosphonic acid) to delay bloom is suggested as a measure to avoid frost damage. However, it is unknown if that practice could be beneficial in Mexico's warm climates. The objective of this study was to determine the effect of ethephon on almond bloom delay and yield. We evaluated foliar applications of ethephon at doses of 75, 150, and 300 mg L -1 at 10% leaf drop stage and at 150 mg L -1 during dormancy over 2 yr. In 2004, ethephon applied at 10% leaf drop stage delayed bloom by 7, 8, and 9 d at 75, 150, and 300 mg L -1 , respectively (p < 0.01), and in 2005, bloom delay was 3 d at 300 mg L -1 . Ethephon applied during dormancy delayed bloom 2 d in the first year, but showed no effect in the second year. Yield and fruit set were affected by ethephon applied at 10% leaf drop stage only in 2004. Neither yield nor fruit set were affected by ethephon applied during dormancy in both years. Pistil length, nut quality, harvest date, and gum exudation were not affected by ethephon. In accordance with the results, ethephon should not be recommended to delay bloom in almond orchards growing in Mexico's warm climates.

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Section: Discussionmentioning

confidence: 81%

“…Ethephon neither caused gum exudation on scaffold limbs reported by Dennis (1976) and Gianfagna et al (1986) nor delayed the harvest date observed in peach by Funt and Ferre (1986).…”

Section: Nut Qualitymentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of Ethephon on Almond Bloom Delay, Yield, and Nut Quality under Warm Climate Conditions in Northwestern Mexico

Grijalva-Contreras

Martínez-Díaz

Macías-Duarte³

et al. 2011

Chilean J. Agric. Res.

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“…The effect on cropload is important since cropload affects fruit weight at harvest. An additional consideration is that Ethrel may delay physiological maturity of fruit (Funt and Ferree, 1986), although whether this is true under all conditions is not known.…”

mentioning

confidence: 99%

Effect of Ethrel on Bloom Delay, Harvest Date, and Fruit Weight of `Empress' Peach

Ebel¹,

Caylor²,

Pitts³

et al. 1999

horttech

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Ethrel [(2-chloroethyl)phosphonic acid] was applied at 0, 100 or 200 ppm (mg·L-1) for 3 years to the early maturing `Empress' peach [Prunus persica (L.) Batsch] to determine if bloom delay by Ethrel reduces fruit weight at harvest. Trees were hand thinned at 0 or 3 weeks after full bloom to equalize cropload across Ethrel treatments and to determine if any reduction in fruit weight by Ethrel can be compensated by harvest with earlier thinning. Ethrel at 200 ppm (mg·L-1) delayed bloom by 3, 0, and 7 days in 1994, 1996 and 1997, respectively. Despite bloom delay, Ethrel did not delay harvest or reduce fruit weight. Thus, earlier hand thinning was not necessary. Ethrel did not affect blossom density and was not phytotoxic to vegetative or reproductive organs. These results indicate that even with the shorter fruit growth period of early maturing peach cultivars such as `Empress', there is sufficient time for fruit growth to recover on Ethrel treated trees so that fruit weight at harvest is not reduced.

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Bloom Delay in Deciduous Fruits

Anderson¹,

Seeley²

1993

Horticultural Reviews

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Ethephon Induced Bloom Delay of Peach Trees, Ohio Usa

Cited by 8 publications

References 0 publications

Effect of Ethephon on Almond Bloom Delay, Yield, and Nut Quality under Warm Climate Conditions in Northwestern Mexico

Effect of Ethephon on Almond Bloom Delay, Yield, and Nut Quality under Warm Climate Conditions in Northwestern Mexico

Effect of Ethrel on Bloom Delay, Harvest Date, and Fruit Weight of `Empress' Peach

Bloom Delay in Deciduous Fruits

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