I am 'flipping the coin' on this one. Yes, it appears to be a chlorophyll issue. In this thread it has been suggested that there was not enough leaf cover to protect the fruit. Here is where I flip the coin. The leaves convert sun into chlorophyll. Regardless of the fact that the leaves were not providing shade to the fruit, there were not enough leaves on the plant to do the conversion in the first place. Please, correct me if I am wrong. The fact that the fruit was exposed to sunlight should have little/no bearing on the matter. The fact that the fruit was exposed to the sun indicates that the plants had sparse foliage. Heavy foliage converts a lot of sunshine into a lot of chlorophyll, and sparse foliage does not.
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