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Xylem water potential of peach trees infected with phony disease



Xylem water potential of peach trees infected with phony disease



HortScience 18(5): 719-721



The xylem water potential of leaves was lower for trees with moderate-high counts of the phony peach disease organisms (PDO) in roots dueing the day in Sept. and Oct., after bloom in Mar. and before harvest in May. No significant differences occurred for predawn measurements on any date, during periods of rapid shoot growth in June, or for measurements made on terminal twigs in Jan. Experimental results suggested that the PDO invades and clogs the new xylem each year.

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Accession: 001281816

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