1973
DOI: 10.1104/pp.51.2.345
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Benzyladenine-induced Movement of 14C-Labeled Photosynthate into Roots of Vitis vinifera

Abstract: Roots of Vitis vinifera L., were treated with benzyladenine when the plant shoots were 38 cm long. Seventy-two hours after benzyladenine treatment, apical or basal leaves on separate shoots were exposed to 14CO2. Control (28) of Vitis vinifera. Recent evidence (19,35) indicates that cytokinins are formed in the roots of grapevines, are readily transported to other parts, and exert control over translocation of photosynthate.The objectives of our investigation were to determine the effect of BA applied to g… Show more

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Cited by 16 publications
(2 citation statements)
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“…Increased ZR synthesis by the root may change the dynamics of assimilate partitioning within the composite apple tree. Evidence for this was reported for grapevines (Vitis vinifera) in which BAP applied to the root increased partitioning of 14 C-photosynthate into the root at the expense of the shoot (Shindy et al, 1973). For apple, BAP applied to the root increased the root:shoot ratio compared with untreated seedlings (Richards, 1980).…”
Section: Discussionmentioning
confidence: 91%
“…Increased ZR synthesis by the root may change the dynamics of assimilate partitioning within the composite apple tree. Evidence for this was reported for grapevines (Vitis vinifera) in which BAP applied to the root increased partitioning of 14 C-photosynthate into the root at the expense of the shoot (Shindy et al, 1973). For apple, BAP applied to the root increased the root:shoot ratio compared with untreated seedlings (Richards, 1980).…”
Section: Discussionmentioning
confidence: 91%
“…Cytokinin is regarded as a mitotic component of the floral stimulus in Sinapis alba (20) and was also shown to be involved in photoperiodic induction in Pharbitis nil by promoting the translocation of the floral stimulus (112). Cytokinins increase the permeability of cell membranes (130,168), and exogenous cytokinins are strong mobilizers of photosynthates in grapes (131,132,177). Sachs and Hackett (126) have provided evidence that flower formation in Bougainvillea is related to the gibberellin: cytokinin balance and that these hormones control flowering by affecting the distribution of metabolites.…”
Section: Cytokininsmentioning
confidence: 99%