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Review

Advances in Watermelon Grafting to Increase Efficiency and Automation

1
Department of Horticulture, Washington State University, Northwestern Washington Research & Extension Center, Mount Vernon, WA 98273, USA
2
Department of Horticulture, Oregon State University, Hermiston Agricultural Research and Extension Center, 2121 South 1st Street, Hermiston, OR 97838, USA
*
Author to whom correspondence should be addressed.
Horticulturae 2020, 6(4), 88; https://doi.org/10.3390/horticulturae6040088
Received: 29 October 2020 / Revised: 14 November 2020 / Accepted: 19 November 2020 / Published: 20 November 2020
(This article belongs to the Section Fruit Production Systems)
Grafting watermelon (Citrullus lanatus) onto resistant rootstocks is an effective technique in the management of biotic and abiotic stresses. Since the first reported grafting of watermelon for disease resistance in 1927, adoption of the practice has been steadily increasing up to 95% in Japan, Korea, Greece, Israel and Turkey. However, for grafting to be further adopted in the United States and other regions of the world with high labor costs and high plant volume demands, the watermelon grafting method must be more time and labor efficient as well as suitable for automation. To accomplish these goals, recent advances have been achieved in splice grafting of watermelon, where both cotyledons are removed from the rootstock. This review provides a summary of the new discoveries regarding watermelon grafting and an overview of the anatomy of cucurbit stems and the physiological processes that occur at the time of grafting and during the healing process in order to enhance the understanding of the complex nature of the cucurbit vascular system, which limits grafting success. This review article further provides insights to guide future research and technology development that will support the expansion of watermelon grafting. View Full-Text
Keywords: abscisic acid; auxin; carbohydrate; cotyledon; grafting method; graft union; efficiency; rootstock regrowth; splice grafting abscisic acid; auxin; carbohydrate; cotyledon; grafting method; graft union; efficiency; rootstock regrowth; splice grafting
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MDPI and ACS Style

Devi, P.; Lukas, S.; Miles, C. Advances in Watermelon Grafting to Increase Efficiency and Automation. Horticulturae 2020, 6, 88. https://doi.org/10.3390/horticulturae6040088

AMA Style

Devi P, Lukas S, Miles C. Advances in Watermelon Grafting to Increase Efficiency and Automation. Horticulturae. 2020; 6(4):88. https://doi.org/10.3390/horticulturae6040088

Chicago/Turabian Style

Devi, Pinki, Scott Lukas, and Carol Miles. 2020. "Advances in Watermelon Grafting to Increase Efficiency and Automation" Horticulturae 6, no. 4: 88. https://doi.org/10.3390/horticulturae6040088

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