| 1. | Hold the slip open in the understock with a knife.
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| 2. | The understock or stock is the part of the plant that supplies the root system.
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| 3. | Camellia sasanqua is a good understock, as it's resistant to root rot.
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| 4. | Ulmus glabra " Camperdownii " has a rounded, pendulous canopy grafted onto an understock.
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| 5. | A . Rose standards, or tree roses, are modern roses grafted onto a single trunklike understock.
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| 6. | The American elm understock is, Peterson said, the only American elm that has survived Dutch elm disease at Elm Bank.
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| 7. | Insert the prepared scion so that the cambium layers ( the green layer inside the bark ) on the scion and the understock match.
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| 8. | Before undertaking the grafting process, the society notes, it's important to know the two terms _ scion and understock or stock.
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| 9. | When rose bushes seem to change color, this is usually because the rose you bought has died, and the understock is sprouting and blooming.
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| 10. | While the understock might be winter hardy, the head and especially the graft union are not, and must be protected from the vagaries of winter.
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