Evaluation of Propagating Stock and Practices for Annual Rhubarb Production

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  • 1 Gulf Coast Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Bradenton, FL 34203

Yield and quality of seedand vegetatively propagated rhubarb (Rheum rhabarbarum L.) for annual production were evaluated for four seasons. Selection of `Victoria' seedlings based on petiole color was not effective in increasing the proportion of red mature petioles. Yields from seed-propagated annual rhubarb were always higher than yields from single-bud crown divisions and from crown divisions in 1 of 2 years. Petiole color of vegetatively propagated rhubarb was always superior to that of seed-propagated rhubarb. GA applications increased early yield from single-bud divisions, but reduced petiole weight of early and total harvest of `McDonald' rhubarb. Chemical name used: gibberellic acid (GA).

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