Carbon metabolism in spinach leaves as affected by leaf age and phosphorus and sulfur nutrition.

Abstract

Spinach (Spinacea oleracea) plants were grown either continuously on complete nutrient solutions or for 2 weeks on media deficient in phosphate or sulfate. To characterize leaf carbohydrate metabolism, levels of phosphorylated intermediates, activities of enzymes involved in photosynthetic carbon metabolism, contents of soluble and acid hydrolyzable sugars… (More)

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