Dose and Time Dependent Effects of Methyl Jasmonate on Abscission of Grapes

Fidelibus, Matthew W.; Cathline, Kimberley A.

doi:10.17660/actahortic.2010.884.98

Cited by 6 publications

(8 citation statements)

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“…Meir et al [11] suggested that stress-induced auxin depletion plays an important role in abscission. On the other hand, methyl jasmonate (JA-Me) is also well known as an inducer of abscission in different organs in plants [12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Formation of the Secondary Abscission Zone Induced by the Interaction of Methyl Jasmonate and Auxin in Bryophyllum calycinum: Relevance to Auxin Status and Histology

Marasek-Ciołakowska

Dziurka

Kowalska

et al. 2020

IJMS

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The interaction of methyl jasmonate (JA-Me) and indole-3-acetic acid (IAA) to induce the formation of the secondary abscission zone in the middle of internode segments of Bryophyllum calycinum was investigated in relation to auxin status and histology. When IAA at 0.1% (w/w, in lanolin) was applied to the segments, the formation of the secondary abscission zone at a few mm above the treatment in the apical direction was observed. On the contrary, IAA at 0.5% (w/w, in lanolin) did not induce the formation of the secondary abscission zone. JA-Me at 0.5% (w/w, in lanolin) applied to the middle of internode segments kept in the normal (natural) or inverted positions also induced the formation of the secondary abscission zone below and above parts of the treatment. IAA at 0.5% applied to the cut surface of the upper part of the segments completely prevented the formation of the secondary abscission zone induced by JA-Me. Simultaneous application of IAA 0.5% with JA-Me 0.5% in the middle part of the internode segments induced the formation of the secondary abscission zone at 10 mm to 12 mm above the treatment. Histological analyses indicated that the formation of the secondary abscission zone was characterized by the presence of newly synthesized cell plates that resulted from periclinal cell division within one layer of mother cells in stems. The effects of IAA (0.1%) and JA-Me (0.5%) on the formation of the secondary abscission zone were histologically similar. Comprehensive analyses of plant hormones revealed that the balance of the endogenous levels of IAA in both sides adjacent to the abscission zone was significantly disturbed when the secondary abscission formation was induced by the application of IAA. These results strongly suggest that an auxin gradient is important in the formation of the secondary abscission zone in the internode segments of B. calycinum, and IAA gradient results from polar IAA transport from the application site. IAA is important in the regulation of formation of the secondary abscission zone induced by JA-Me. Further possible mechanisms of the formation of the secondary abscission zone in the internode segments of B. calycinum are also discussed in the interaction of JA-Me and IAA.

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Section: Introductionmentioning

confidence: 99%

Formation of the Secondary Abscission Zone Induced by the Interaction of Methyl Jasmonate and Auxin in Bryophyllum calycinum: Relevance to Auxin Status and Histology

Marasek-Ciołakowska

Dziurka

Kowalska

et al. 2020

IJMS

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“…The mean value of preharvest fruit drop in "Verdejo" was 1.4%, lower than the 3% observed in cv. Sauvignon blanc in a similar experiment (UZQUIZA et al 2014), and much lower than the 20% observed on "Thompson Seedless" vines treated with methyl jasmonate alone (FIDELIBUS and CATHLINE, 2010).…”

Section: V51berry Abscissionmentioning

confidence: 66%

“…Diferentes estudios han demostrado que la aplicación de fitorreguladores en el viñedo, en los días previos a la vendimia, es capaz de facilitar el desprendimiento del fruto (Fidelibus et al, 2007a;González-Herranz et al, 2009;Fidelibus y Cathline, 2010). La utilización de estos productos, llamados agentes de abscisión, podría hacer posible una vendimia mecanizada menos enérgica que disminuiría el daño provocado a las plantas y la cantidad de mosto libre liberado, lo que redundaría en una mayor calidad de los mostos y vinos obtenidos.…”

Section: I12 Técnicas Para Optimizar La Calidad De Uva Vendimiada unclassified

“…MeJA en viñedo han sido variables en función del cultivar considerado, tal y como han puesto de manifiesto Fidelibus et al (2007a), González-Herranz et al (2009) Por otra parte, se ha visto que tratamientos de MeJA con dosis entre 1780 mg•L -1 y 4485 mg•L -1 favorecen la cicatrización de la zona de abscisión de las uvas (González-Herranz et al, 2009;Fidelibus y Cathline, 2010). Esta cicatrización podría tener un efecto muy positivo en la calidad de la uva vendimiada mecánicamente ya que eliminaría puntos de entrada de microorganismos.…”

Section: I32 Metil Jasmonatounclassified

“…Mature grape (Vitis vinifera L.) berries do not normally abscise, but they can be induced to do so with the application of certain plant growth regulators, including methyl jasmonate (MeJA) (FIDELIBUS and CATHLINE, 2010;FIDELIBUS et al, 2007) and…”

Section: Iv3introductionmentioning

confidence: 99%

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Dose and Time Dependent Effects of Methyl Jasmonate on Abscission of Grapes

Cited by 6 publications

References 0 publications

Formation of the Secondary Abscission Zone Induced by the Interaction of Methyl Jasmonate and Auxin in Bryophyllum calycinum: Relevance to Auxin Status and Histology

Formation of the Secondary Abscission Zone Induced by the Interaction of Methyl Jasmonate and Auxin in Bryophyllum calycinum: Relevance to Auxin Status and Histology

Utilización de agentes de abscisión de la uva para optimizar la vendimia mecanizada

The acceleration of yellow lupine flower abscission by jasmonates is accompanied by lipid-related events in abscission zone cells

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