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Michael W. Smith, Charles T. Rohla, and Niels O. Maness

). Transport of sugars and amino compounds in the phloem is accomplished by osmotically generated hydrostatic pressure differences between the source and sink ( Lalonde et al., 2003 ). Adequate K favors phloem loading by improving adenosine triphosphate

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Yosef Burger and Arthur A. Schaffer

translocated from the source to fruit sink in the Cucurbitaceae family, including Cucumis melo ( Chrost and Schmitz, 1997 ; Mitchell et al., 1992 ). The near absence of raffinose and stachyose in the melon fruit flesh points to the rapid hydrolysis and

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Hans-Peter Kläring and Angela Schmidt

cucumber do not consider daily temperature variations ( Augustin, 1984 ; Marcelis, 1994a ). One likely reason is that these models estimate fruit growth on the basis of daily sink/source relations. The source here is the assimilate pool recharged by

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Yongqiang Qian, Deying Li, Lei Han, and Zhenyuan Sun

defined as a process of redistribution of assimilated resources among the interconnected ramets according to source-sink relationships ( Forde, 1966 ; Kaitaniemi and Honkanen, 1996 ; Marshall, 1990 ). Physiological integration is an important means by

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ZhaoSen Xie, Charles F. Forney, WenPing Xu, and ShiPing Wang

organization based on source-sink relationship: New findings on developmental, biochemical and molecular responses to environment 263 280 Roubelakis-Angelakis K.A. Molecular biology & biotechnology of grapevine Kluwer Academic Publishers

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Bielinski M. Santos

, transport of photoassimilates from source tissues via the phloem to sink tissues, and stress tolerance ( Doman and Geiger, 1979 ; Marschner, 1995 ; Pettigrew, 2008 ; Usherwood, 1985 ). Deficiencies of K are associated with a number of economically

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Shijian Zhuang, Letizia Tozzini, Alan Green, Dana Acimovic, G. Stanley Howell, Simone D. Castellarin, and Paolo Sabbatini

(2005) posit that the lack of a direct causal relationship between the source-to-sink ratio and accumulation of TSS makes this difficult to assess and forecast. Indeed, we did not find a difference on basic fruit chemistry at harvest in the 2 years and

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Gerardo Lopez, Romeo R. Favreau, Colin Smith, and Theodore M. DeJong

( Costes et al., 2008 ). But L-PEACH is the first model to simulate growth and carbon source–sink relationships within the architectural framework of a peach tree over multiple years. Moreover, L-systems allow multiple interactions with the model

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Adolfo Rosati, Andrea Paoletti, Giorgio Pannelli, and Franco Famiani

causality. It is possible that inherently low vigor reduces growth and sink demand for vegetation, leaving more sources available for fruit set and reproductive growth. In fact, many studies show that reducing vigor, by dwarfing rootstock ( Avery, 1970

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Timothy L. Righetti, Carmo Vasconcelos, David R. Sandrock, Samuel Ortega-Farias, Yerko Moreno, and Francisco J. Meza

evaluated citations in the “Photosynthesis—Source–Sink Physiology” subsection of the Journal of the American Society of Horticultural Science for 2003 and 2004, we found that all of the published papers had per-leaf-area expressions in tables or figures