Decreased heat stress tolerance
Siapton treated Lettuce, cv. Arena, grown in a greenhouse and subjected to a heat treatment of 2 h in a growth room had 27 % less fresh weight, 17.2 % less dry weight, a 2.2 % smaller specific leaf area and a 19.1 % lower relative growth rate compared to the untreated control subjected to the same conditions.
indoor, greenhouse/growth room, 1 L soil with sandy loamy texture, exposed to 42 °C for 2 h in a growth chamber
Lettuce, Lactuca sativa L.
Soil drench of aqeous solution
Immediately following a period of heat stress
4 L/ha, 250 mL/100 L solution
Porcine Hemoglobin Hydrolysate as a Biostimulant for Lettuce Plants Subjected to Conditions of Thermal Stress