Effect
No effect on growth
No effect on water use efficiency
Kelpak treated Lettuce, var. Capitata, grown under drought conditions had no difference in fresh biomass, an increased chlorophyll content, no difference in WUE (water use efficiency) compared to the optimal and stressed control.
Trial details
indoor, semi-open polyethylene tunnels, soil grown, 2 irrigation levels (100 % (52 mm along cycle) and 80 %)
France
Crop
Lettuce, Lactuca sativa L.
Trial application
Method
Foliar spray
Timing
First application 7-10 days after planting at 4 true leaves, followed by 4 treatments with a 14-21 day interval
Rate
2.7 L/ha (dilution 270 L/ha)
2019
Bio4safe trial report Lettuce 2019
Crop group
