Oxnard, CA)] were grown in a 120 m2 greenhouse compartment at the Pacific Agri-Food Research Centre (PARC), Agassiz, BC (latitude N49°14′33″, longitude W121°45′35″) Canada. Plants were propagated in Rockwool blocks and transplanted at 6 weeks old into Rockwool slabs (Fibrgro, Sarnia, ON, Canada) in the experimental greenhouse.