Abstract

Abstract Pink phloem was found during the winter months in all spurs on ‘Delicious’ apple (Malus domestica Borkh.) trees affected by dead spur disorder and was less frequent the remainder of the year. On healthy trees pink phloem was found in young spurs, but seldom at the base of older spurs. The pigment was identified as the anthocyanin cyanidin-3-galactoside.

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