Root exudation potential in contrasting soybean genotypes in response to low soil phosphorus availability is determined by photo-biochemical processes.

Abstract excerpt

Low phosphorus (P) availability elicits efflux of organic substances viz. carboxylic acids, phenolics, proteins, amino acids, sugars and other low molecular weight compounds in many leguminous crops including soybean (Glycine max (L.) Merr.). The potential for root exudation varies widely among soybean genotypes, as synthesis and secretion of root exudates place additional burden on the carbon demand of the...

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