Title

diagnostic leaf analysis for stone fruit. 2. Seasonal changes in leat composition of peach

RIS ID

79616

Publication Details

Leece, D. & Gilmour, A. R. (1974). diagnostic leaf analysis for stone fruit. 2. Seasonal changes in leat composition of peach. Australian Journal of Experimental Agriculture and Animal Husbandry, 14 822-827.

Abstract

Changes in the nutrient-element composition of leaves of peach cvs. Golden Queen, Gaum6, and Halehaven were measured monthly during the 1971 -72 and 1972-73 seasons in New South Wales. For all cultivars, the rate of change of leaf composition was least during January and February. Thus leaf composition standards should be based on January-February samples and diagnostic sampling should be confined to this period where possible. Correction factors for adjusting the composition November, December and March samples back to January 31 levels were calculated from polynomials with time fitted to the leaf composition data.

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