Response of Stomatal Conductance, Transpiration, Photosynthesis, and Leaf Water Potential in Peach Seedlings to Different Watering Regimes1

Abstract Stomatal conductance, transpiration, and photosynthesis declined steadily with decreasing leaf water potential in seedlings of peach [ Prunus persica (L.) Batsch] grown in large pots containing about 84 kg of steam-sterilized sandy loam soil under controlled environmental conditions. Growth and transpiration were reduced mainly through the effect of stomatal closure as soon as water stress commenced.