Oranges and some other fruit.

Title: Oranges and some other fruit.
Now that I seem to be “back into the fold” and thank you to all who responded I have a question(s).

Earlier in the year when our oranges (Navel), tangerines and grapefruits were forming many of the fruits, around the fruit stems, started to show a white “fungus” which looked powdery but when touched it was more sticky than powdery. On pointing it out to our gardener he promptly sprayed the trees and the problem diminished. However, residue was left and now when the fruit are well formed and we should be looking forward to enjoying the rewards in the coming weeks/months the fruit is falling from the trees. Clearly, the earlier “fungus” is still evident in varying degrees on each fruit around the stalk point.

Presumably, all this could have been avoided if the trees had been sprayed earlier. My questions are, do any of you knowledgeable folk know what this “fungus” is, when should spraying have be done and with what?

Lastly, can anyone recommend a book(s) that is explicit in such matters that would help me in the future with any other problems concerning fruit, including plums and persimmon?

Thanks


Richard Lovejoy (Algarve, Portugal)


   
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