b'Figure 1. Typical growth crack expression fromFigure 2. Air check caused by high tuber hydra-environmental stress.tion. Figure3.Thumbnailbruisecausedbytuber turgidity and impact.Figure 4. Shatter bruise caused by impact at har-vest. Figure5a.SeveregrowthcrackingcausedbyFigure5b.Severegrowthcrackingcausedby extreme environmental stresses extreme environmental stressesFigure 6. Lengthwise growth crack from envi- Figure 7. Erratic growth cracks caused by envi-ronmental stress.ronment. 14 POTATO GROWER NOVEMBER/DECEMBER 2022'