Pitting, water-soaked spots, and decay indicate chill injury. Shriveling can occur if cucumbers are stored in an area with low humidity. Store properly.
Yellowing and softening can occur if cucumbers are exposed to ethylene gas. Storing at high temperatures may also promote yellowing. Keep cucumbers away from ethylene-producing fruits and ripening rooms.
Soft, sunken ends, and a loose seed cavity result when product is over-mature.