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Zippering (fruit disorder) on tomatoes. This disorder (abiotic disease) happens when the flower anther sticks to the developing fruit as it grows. Characteristic symptom is a thin brown longitudinal scar with transverse scars resembling a zipper. It extends down the fruit. There may be more than one scar on a fruit. An open hole may develop next to the scar.
Do not try to force the food bolus down with the Ewald tube or an other catheter or dilator. This may cause an esophageal tear or perforation. Do not use oral enzymes such as papain, trypsin or chymotrypsin. This treatment is slow, ineffective, and may possibly carry a risk of enzyme-induced esophageal perforation.