Effects of Ammonium Nutrition on Water Stress, Water Uptake, and Root Pressure in Lycopersicon esculentum Mill 1

AUTOR(ES)

Quebedeaux, Bruno

RESUMO

Ammonium (NH4+) nutrition inhibits water uptake and root exudation and decreases leaf water potential of tomato plants grown in solution culture. This inhibition is readily reversible by NO3− for short term exposures to NH4+; however, recovery is delayed following long term exposures.

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