Leaf ureide degradation and N(2) fixation tolerance to water deficit in soybean.

Abstract excerpt

Accumulation of ureides in leaves is associated with the sensitivity of N(2) fixation in soybean to soil water deficit. Consequently, ureide degradation in leaves may be a key to increasing soybean tolerance to dry soils. Previous research indicated that allantoic acid degradation is catalysed by different enzymes in cultivars Maple Arrow and Williams. The enzyme found in Williams requires manganese as a...

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