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<pre>Jason,

Where is your olivetto? In spite of global warming I doubt whether it
is in Britain. The Leccino variety seems to indicate central Italy -
The Marche, Tuscany, Umbria or even Lazio. The location is important as
olive fly rarely causes problems above 500 m. You can control them
within the organic regime. Traps are used but I suggest you join a
cooperative scheme where a professional monitors levels and sets the
traps.

How much oil content is rather like asking how long is a piece of
string. Oil content can vary from year to year by 5%. Olives in some
areas have a higher oil % than other areas. Here in Umbria over about
15 years the % for our olives has varied from 12.5% to 18% but that is
a mixture of varieties not just Leccino.

You will probably wont to pick your Leccino early in any case as it is
the one variety among the classic Tuscan/Umbrian group that has a rapid
fall off in quality due to late picking. Besides % oil is not the only
indicator of yield. Oil % is combined with fresh weight and that falls
as the crop matures and fruit fall on the ground.

Cheers Brian Chatterton.
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