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Extension Information

Educational materials

Hosting a Vegetable Grafting Workshop (PDF). This information packet from Washington State University provides instructions for how to host a vegetable grafting workshop, including a step-by-step guide for hosting the workshop and a list of supplies for the presenter; and for the participants there are useful handouts and a survey.

Class Lesson: The Science behind Vegetable Grafting (for K-12 STEM education) (PDF).

Cutting tomato scion material for splice grafting

Splice grafted watermelon with both cotyledons removed from the rootstock

Grafted watermelon plants inside a healing chamber in the greenhouse

The healing chamber structure where plants are held for 7-8 days following grafting

Grafted watermelon seedling in the field after transplantation

Grafted watermelon plant immediately after being transplanted into the field

Videos and additional Resources

Fact Sheets

Grafting supplies list (PDF).

Melon rootstock list (PDF).

Watermelon splice grafting with both cotyledons removed from the rootstock (PDF). WSU Northwestern Washington Research and Extension Center, Mount Vernon. May 2021.

Verticillium wilt on (PDF). 2019. PNW Plant Disease Management Handbook

Vegetable Grafting: The Healing Chamber (PDF). WSU Extension Fact Sheet FS051E 3 pages. Published October 2011, reviewed July 2016.

Vegetable Grafting: Watermelon (PDF). WSU Extension Fact Sheet FS100E 7 pages. Published January 2013, reviewed June 2016.

Vegetable Grafting: Eggplant and Tomatoes (PDF). WSU Extension Publication FS052E.

En español

Injertos Hortícolas: SandÍa (PDF). Hoja de datos de la Extensión, Universidad Estatal de Washington FS100ES. 7 páginas. Publicado enero 2014.
Injerto de Verduras: Berenjenas y Tomates (PDF). Hoja informativa de la Universided Estatal de Washington FS052ES. 4 páginas. Publicado Agosto 2013.
Injerto Illustrado/Grafting Illustrated (PDF) – handout includes illustrations of grafting techniques with key words in Spanish.

Additional Information

Vegetable Grafting. A portal designed to deliver current research-based information on the preparation, use, evaluation and purchase of grafted vegetable plants. Supported by the Specialty Crop Research Initiative (SCRI) of the USDA and NIFA.
Zhao, X., C. Miles, and C. Kubota. 2017. Chapter 2.1. Why graft (PDF) In: Grafting Manual: How to produce grafted vegetable plants. C. Kubota, C. Miles and X. Zhao (eds.).
Miles, C. and X. Zhao. 2017. Chapter 2.5. Transplanting the grafted plants (PDF). In: Grafting Manual: How to produce grafted vegetable plants. C. Kubota, C. Miles and X. Zhao (eds.).
Miles, C. and D. Crow. 2017. Chapter 3.3. Eggplant (PDF). In: Grafting Manual: How to produce grafted vegetable plants. C. Kubota, C. Miles and X. Zhao (eds.).
Miles, C., P. Devi, X. Zhao, and W. Guan. 2017. Chapter 3.2.1. Watermelon and melon grafting (PDF). In: Grafting Manual: How to produce grafted vegetable plants. C. Kubota, C. Miles and X. Zhao (eds.).

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