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This paper describes investigations of inflorescence growth in vine cuttings, and reports some effects of cytokinin application and of defoliation.
In woody cuttings of the grape vine inflorescences of fertile buds usually atrophy soon after bud burst.
Inflorescences are retained if leaves are removed from the elongating shoot, but removal of apices and roots does not affect inflorescence growth if leaves are present. With defoliated cuttings, inflorescence growth is stimulated by removal of apices but depressed by removal of roots.
Various growth regulators were applied and the effects recorded.
Regulation of Inflorescence Growth in Cuttings of the Grape Vine (Vitis vinifera L.)
1968, Journal of Experimental Botany, vol 19, issue 60, month 8, pages 532 – 543
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