Affiliation: | 1. Texas AgriLife Research – Amarillo, 6500 Amarillo Blvd West, Amarillo, TX 79106, USA;2. USDA ARS, 1301 N Western Rd, Stillwater, OK 74074, USA;3. Present address: USDA‐ARS Vegetable Crops Research Unit, Horticulture Department, University of Wisconsin, Madison, WI 53706, USA;4. Corresponding author, E‐mail: yiqun.weng@ars.usda.gov |