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  • Author or Editor: S. G. Polles x
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Pressure trunk injection of Zn sulfate solutions rapidly increased leaf Zn levels of Zn deficient trees in pecan (Carya illinoensis (Wang.) K. Koch). Injection of 2270 g/tree killed foliage and twig terminals within one week. New foliage growth appeared normal but was high in Zn. Injected Rhodamine B dye indicates that solutions move rapidly to the extremities of the tree. Injected wood preservative “Osmose” killed trees within 10 days.

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