Gray wall or blotchy ripening is a name that is indicative of the disorder where fruit does not ripen properly or ripen unevenly. This condition is only found on the fruit and not on the plant.
Symptoms
Ripe fruit have brown or green areas on the inside of the fruit walls. The outer walls of the fruit tend to be the most affected, which is obvious once the fruit are cut.
Stressed and unhealthy plants also add to the problem.
It is these areas, the fruit does not ripen properly and "veins" on the inside walls of the fruit. It is these areas that always remain dark green and seldom ripen. Some people also believe that the accident is affected by the nitrogen: potassium ratio of the fertilizer program, but this is not yet substantiated.
Control
Tomatoes should be grown Where they receive Receive full sun and are not heavily shaded.
