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Are plant growth substances involved in the partitioning of assimilate to developing reproductive sinks?

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Abstract

The possible involvement of plant growth substances in assimilate production in source leaves, loading into phloem and unloading in sink tissues is discussed in relation to their sites of formation and transport characteristics. The relative importance and possible functions of imported and locally-synthesised plant growth substances in postfertilisation development of reproductive sinks is briefly reviewed.

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Abbreviations

ABA:

Abscisic acid

PA:

Phaseic acid

DPA:

Dihydrophaseic acid

GA:

Gibberellin

IAA:

Indole-3-acetic acid

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Lenton, J.R. Are plant growth substances involved in the partitioning of assimilate to developing reproductive sinks?. Plant Growth Regul 2, 267–276 (1984). https://doi.org/10.1007/BF00027286

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