Chlorophenoxyacetic acid and chloropyridylphenylurea accelerate translocation of photoassimilates to parthenocarpic and seeded fruits of muskmelon (Cucumis melo)

Copyright © 2011 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 168(2011), 9 vom: 15. Juni, Seite 920-6
1. Verfasser: Li, Xin-Xian (VerfasserIn)
Weitere Verfasser: Kobayashi, Fumiyuki, Ikeura, Hiromi, Hayata, Yasuyoshi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Comparative Study Journal Article Carbon Isotopes Cytokinins Phenylurea Compounds Pyridines 2,4-Dichlorophenoxyacetic Acid 2577AQ9262 Fructose 30237-26-4 mehr... 4-chlorophenoxyacetic acid 4EMM3U5P3K Sucrose 57-50-1 N-(2-chloro-4-pyridyl)-N'-phenylurea K62IP7463J
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100 1 |a Li, Xin-Xian  |e verfasserin  |4 aut 
245 1 0 |a Chlorophenoxyacetic acid and chloropyridylphenylurea accelerate translocation of photoassimilates to parthenocarpic and seeded fruits of muskmelon (Cucumis melo) 
264 1 |c 2011 
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500 |a Date Completed 28.07.2011 
500 |a Date Revised 30.09.2020 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2011 Elsevier GmbH. All rights reserved. 
520 |a We compared the effect of p-chlorophenoxyacetic acid (p-CPA) and 1-(2-chloro-4-pyridyl)-3-phenylurea (CPPU) on parthenocarpic and seeded muskmelon (Cucumis melo) fruits in regards to fruit development and the transport of photoassimilates from leaves exposed to ¹⁴CO₂ to the developing fruits. Ten days after anthesis (DAA), the fresh weight, total ¹⁴C-radioactivity and contents of ¹⁴C-sucrose and ¹⁴C-fructose were higher in the CPPU-induced parthenocarpic fruits than in seeded fruits. However, at 35 DAA, fresh weight and sucrose content in mesocarp, placenta and empty seeds of the parthenocarpic fruits were lower than in seeded fruits. Also, total ¹⁴C-radioactivity and ¹⁴C-sugar content of the parthenocarpic fruits were lower as well as the translocation rate of ¹⁴C-photoassimilates into these fruits. Application of p-CPA to the parthenocarpic fruits at 10 and 25 DAA increased fresh weight and sugar content. Moreover, these treatments elevated the total ¹⁴C-radioactivity, ¹⁴C-sucrose content and the translocation rate of ¹⁴C-photoassimilates. The ¹⁴C-radioactivity along the translocation pathway from leaf to petiole, stem, lateral shoot and peduncle showed a declining pattern but dramatically increased again in the fruits. These results suggest that the fruit's sink strength was regulated by the seed and enhanced by the application of p-CPA 
650 4 |a Comparative Study 
650 4 |a Journal Article 
650 7 |a Carbon Isotopes  |2 NLM 
650 7 |a Cytokinins  |2 NLM 
650 7 |a Phenylurea Compounds  |2 NLM 
650 7 |a Pyridines  |2 NLM 
650 7 |a 2,4-Dichlorophenoxyacetic Acid  |2 NLM 
650 7 |a 2577AQ9262  |2 NLM 
650 7 |a Fructose  |2 NLM 
650 7 |a 30237-26-4  |2 NLM 
650 7 |a 4-chlorophenoxyacetic acid  |2 NLM 
650 7 |a 4EMM3U5P3K  |2 NLM 
650 7 |a Sucrose  |2 NLM 
650 7 |a 57-50-1  |2 NLM 
650 7 |a N-(2-chloro-4-pyridyl)-N'-phenylurea  |2 NLM 
650 7 |a K62IP7463J  |2 NLM 
700 1 |a Kobayashi, Fumiyuki  |e verfasserin  |4 aut 
700 1 |a Ikeura, Hiromi  |e verfasserin  |4 aut 
700 1 |a Hayata, Yasuyoshi  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1016/j.jplph.2010.11.005  |3 Volltext 
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