Miscellaneous diseases and disorders
|
Abnormal ripening |
Incorrect O2:CO2 ratios in storage or fruit waxing. |
Algal leaf spot = red rust |
Cephaleuros virescens Kunze |
Black tip |
Post-harvest disorder of unknown cause |
Brushing damage |
Excessive post-harvest brush polishing of fruit |
Bunchy top |
Unknown cause |
Chilling injury |
Temperatures from 7-13°C; cultivar dependent. |
Copper deficiency |
Unavailable copper |
Decline |
Unknown etiology |
Edema |
Physiological water stress |
Hot water scald |
Excessive temperature or duration in hot water or hot water/fungicide dips |
Impact damage |
Fruit injury from mishandling during harvest or grading |
Internal necrosis |
Boron deficiency |
Jelly seed |
Unknown post-harvest disorder |
Lenticel spotting |
Heavy rains or prolonged post-harvest dips |
Little leaf |
Zinc deficiency |
Manganese deficiency |
Insufficient manganese |
Parasitic lichen |
Strigula elegans (Fee) Muell Arg. |
Premature ripening |
Cause of disorder unknown |
Pressure damage |
Surface fruit injury due to poor packing or load shift in transit |
Sapburn injury |
Sap contact with fruit skin during or post-harvest |
Soft nose |
Excessive nitrogen/low calcium levels |
Spongy tissue |
Unknown post-harvest disorder |
Stem end cavity |
Unexplained pre-harvest fruit injury |
Sunburn |
Sudden exposure of fruit to high air temperature and/or bright light |
Tipburn |
High soluble salts |