“…Encapsulating the crown is the leaf sheath, which is associated with the mature leaf aerial organs. Due to the complex nature of the crown, not all its constituents achieve the same level of hardiness (Chen, Gusta, & Fowler, ; Livingston et al, ; Olien, ; Tanino & McKersie, ; Willick, Takahashi, Fowler, Uemura, & Tanino, ). Initial crown injury in cold‐acclimated winter wheat ( Triticum aestivum L.) was observed at −10°C in the VTZ (Willick et al, ).…”