Making It Grow Rose CrossPollination

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Amanda travels to the Pee Dee Research Center in Florence where Jonathan Windham shows us how to cross-pollinate roses to create unique hybrids. • Here is a written guide to help you cross-pollinate your roses: • 1. Select one plant to be the mother and one plant to be the father. • 2. Collect anthers from the father plant and dry overnight to release pollen grains. • 3. Select a flower bud on the mother plant. The sepals should be split enough to just see the color of the petals beneath. • 4. Remove the sepals and petals from the flower bud. • 5. Emasculate the flower bud by cutting away the stamens (the stamens are filaments + anthers. The filaments are the stalks that the anthers sit on). • 6. Place pollen from the father plant onto the stigmas of the mother plant (the stigmas are in the center of the flower). • 7. Label your cross using the formula mother name x father name (the mother plant always comes first when writing out lineages). • 8. If the cross was successful, a hip will form. • Note: Pollination and fertilization are two separate events in plant breeding. Pollination just means pollen was applied to the stigmas, fertilization means that sperm and egg successfully united. • 9. Harvest the hip when it’s ripe (it will be red, orange, or yellow) and remove the seeds. • 10. Place seeds in a Ziploc bag with some slightly moist potting soil and store in fridge through the winter. • 11. Plant seeds in spring and enjoy being surprised by your new rose hybrid! • Fun fact: The “seeds” that are in the hip of a rose are technically “achenes” and not seeds at all, but most people just describe them as seeds. • • Facebook - / makingitgrow • Twitter - / makingitgrow • Website - https://www.scetv.org/television/prog... • Pee Dee Rec - https://www.clemson.edu/public/peedee/

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