Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon

The effect on fruit quality of grafting and fruit set treatments, was determined in the triploid watermelon (Citrullus lanatus (Thun.) Matsum. and Nakai) cultivar ‘Reina de Corazones’ grown in a heated greenhouse. Grafting the scion onto ‘Shintoza’ (Cucurbita maxima × Cucurbita moschata) rootstock a...

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Autores principales: López-Galarza, Salvador, San Bautista, Alberto, Perez, D. M., Miguel, Alfredo, Baixauli, Carlos, Pascual, B., Maroto Borrego, José V., Guardiola, J. L.
Formato: Artículo
Lenguaje:Inglés
Publicado: 2017
Acceso en línea:http://hdl.handle.net/20.500.11939/5529
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author López-Galarza, Salvador
San Bautista, Alberto
Perez, D. M.
Miguel, Alfredo
Baixauli, Carlos
Pascual, B.
Maroto Borrego, José V.
Guardiola, J. L.
author_browse Baixauli, Carlos
Guardiola, J. L.
López-Galarza, Salvador
Maroto Borrego, José V.
Miguel, Alfredo
Pascual, B.
Perez, D. M.
San Bautista, Alberto
author_facet López-Galarza, Salvador
San Bautista, Alberto
Perez, D. M.
Miguel, Alfredo
Baixauli, Carlos
Pascual, B.
Maroto Borrego, José V.
Guardiola, J. L.
author_sort López-Galarza, Salvador
collection ReDivia
description The effect on fruit quality of grafting and fruit set treatments, was determined in the triploid watermelon (Citrullus lanatus (Thun.) Matsum. and Nakai) cultivar ‘Reina de Corazones’ grown in a heated greenhouse. Grafting the scion onto ‘Shintoza’ (Cucurbita maxima × Cucurbita moschata) rootstock and setting fruit through application of the synthetic cytokinin CPPU [1-(2-chloro-4-pyridyl)-3-phenylurea] retarded the accumulation of sugar and development of the flesh colour of the fruit, compared to fruit from non-grafted, pollinated plants. The effects of grafting and of CPPU application on sugar accumulation were additive. At commercial maturity, the fruit of grafted and/or CPPU-treated plants had lower total soluble solids and sugar concentrations, and lower sucrose to hexose ratios, than fruit from control plants. Fruit from CPPU-treated plants also had a weaker red colour than fruit set by pollination. Despite this loss of quality, fruit from grafted plants, set with CPPU and grown in a heated greenhouse, had a total soluble solids concentration similar to fruit from pollinated, non-grafted plants, grown outdoors.
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spelling ReDivia55292025-04-25T14:43:13Z Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon López-Galarza, Salvador San Bautista, Alberto Perez, D. M. Miguel, Alfredo Baixauli, Carlos Pascual, B. Maroto Borrego, José V. Guardiola, J. L. The effect on fruit quality of grafting and fruit set treatments, was determined in the triploid watermelon (Citrullus lanatus (Thun.) Matsum. and Nakai) cultivar ‘Reina de Corazones’ grown in a heated greenhouse. Grafting the scion onto ‘Shintoza’ (Cucurbita maxima × Cucurbita moschata) rootstock and setting fruit through application of the synthetic cytokinin CPPU [1-(2-chloro-4-pyridyl)-3-phenylurea] retarded the accumulation of sugar and development of the flesh colour of the fruit, compared to fruit from non-grafted, pollinated plants. The effects of grafting and of CPPU application on sugar accumulation were additive. At commercial maturity, the fruit of grafted and/or CPPU-treated plants had lower total soluble solids and sugar concentrations, and lower sucrose to hexose ratios, than fruit from control plants. Fruit from CPPU-treated plants also had a weaker red colour than fruit set by pollination. Despite this loss of quality, fruit from grafted plants, set with CPPU and grown in a heated greenhouse, had a total soluble solids concentration similar to fruit from pollinated, non-grafted plants, grown outdoors. 2017-06-01T10:12:31Z 2017-06-01T10:12:31Z 2004 NOV 2004 article Lopez-Galarza, S., San Bautista, A., Perez, D. M., Miguel, A., Baixauli, C., Pascual, B., Maroto, J.V., Guardiola, J.L. (2004). Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon. Journal of Horticultural Science & Biotechnology, 79(6), 971-976. 1462-0316 http://hdl.handle.net/20.500.11939/5529 10.1080/14620316.2004.11511875 en openAccess Impreso
spellingShingle López-Galarza, Salvador
San Bautista, Alberto
Perez, D. M.
Miguel, Alfredo
Baixauli, Carlos
Pascual, B.
Maroto Borrego, José V.
Guardiola, J. L.
Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon
title Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon
title_full Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon
title_fullStr Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon
title_full_unstemmed Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon
title_short Effects of grafting and cytokinin-induced fruit setting on colour and sugar-content traits in glasshouse-grown triploid watermelon
title_sort effects of grafting and cytokinin induced fruit setting on colour and sugar content traits in glasshouse grown triploid watermelon
url http://hdl.handle.net/20.500.11939/5529
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