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SPON |
Rick 1952 Amer Nat 86:173. |
Expression greatly influenced by environmental conditions; greatest differences seen in field in mid-summer, least in greenhouse in mid-winter. Total plant size greatly reduced. Leaves droop during the day no matter how much water is supplied. Leaves differ from + in their grayish blue cast. In direct and reciprocal grafts with +, the rootstock exerts strong influence on the scion. Relatively unfruitful unless artificially selfed. |
Root modification |
Yes |
Plant habit or size |
No |
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