| 21. | It will also cause yellows in sour cherry, especially when present with prunus necrotic ringspot virus.
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| 22. | The larvae feed on various trees and shrubs, but especially " Prunus " species.
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| 23. | In fact, beach plums ( Prunus maritima ) are not Jusd for jelly or for beach gardens.
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| 24. | Most of the fresh plums sold in North American supermarkets are " Prunus salicina " cultivars.
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| 25. | "Prunus americana " has often been planted outside its native range and sometimes escapes cultivation.
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| 26. | The fruit is similar to the commercial apricot " Prunus armeniaca ", and is edible.
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| 27. | It is grafted to " Prunus avium "'tree'rootstock, forming rounded top trees.
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| 28. | Wild and ornamental species of " Prunus " may also become infected by some strains of the virus.
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| 29. | The hardiness of " Prunus fruticosa " is a desirable quality in grafting and production of horticultural cultivars.
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| 30. | Its hybrid parentage is believed to be " Prunus spinosa " and " Prunus cerasifera ".
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