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<pre>Hello everybody,

I am a moroccan new grower and I heard recently about problems with
humidity. I began planting two years ago. My olive trees are 30 km far
from the Atlantic Ocean, near Rabat - the capital, and we sometime have
a deep foggy weather. The growing seems to be normal, but since I made
no crop I can't say if humidity has an effect on it. Did someone
experiment such a climate ? Is there some olive varieties resistent to
humidity and to the parasites that come with it ?

Thanks for your advices. Best regards.

Saâd
</pre>
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<pre>> Hello everybody,
>
> I am a moroccan new grower and I heard recently about problems with
> humidity. I began planting two years ago. My olive trees are 30 km far
> from the Atlantic Ocean, near Rabat - the capital, and we sometime have
> a deep foggy weather. The growing seems to be normal, but since I made
> no crop I can't say if humidity has an effect on it. Did someone
> experiment such a climate ? Is there some olive varieties resistent to
> humidity and to the parasites that come with it ?
>
> Thanks for your advices. Best regards.
>
> Saâd

Saâd,

Welcome to the group. I am a fairly new grower some 40km from the Pacific
Ocean in Australia with trees up to 5 years old. We don't get much fog, but
we do get high humidity.

The problems related to humidity have been most closely related to some
fungal problems, most notably Peacock Spot and Softnose (which might
actually be Anthracnose).

Regards,

Mike Wilson.
Hunter Valley
Australia.
</pre>
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<pre>Saad
The groves of Tanja Olives are within a couple of kilometres of the Pacific
ocean and on occasions, in the summer, especailly after heavy rains, we
experience humid weather. I can not say we have experienced any particular
problems related to those conditions, although our local grape growers do
with a number of fungal problems. It can be even more humid the further
north you go up the coast as I'm sure our Hunter Valley growers will
testify.
What are the parasites you refer to associated with your foggy and humid
weather?
Alan Watt, Tanja Olives

> -----Original Message-----
> From: Saad Tazi [mailto:stazi@athena.online.co.ma]
> Sent: Thursday, 26 October 2000 4:52
> To: OliveOil@egroups.com
> Subject: [OliveOil] Humidity and olive
>
>
> Hello everybody,
>
> I am a moroccan new grower and I heard recently about problems with
> humidity. I began planting two years ago. My olive trees are 30 km far
> from the Atlantic Ocean, near Rabat - the capital, and we sometime have
> a deep foggy weather. The growing seems to be normal, but since I made
> no crop I can't say if humidity has an effect on it. Did someone
> experiment such a climate ? Is there some olive varieties resistent to
> humidity and to the parasites that come with it ?
>
> Thanks for your advices. Best regards.
>
> Saâd
>
>
>
>
>
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</pre>
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<pre>Hello Mike

thanks for your email. We also met Peacock Spot wich seems to be the
most usual effect of humidity and fog. I heard that certain varieties,
such as Picholine du Languedoc, may show a good resistence to Peacock
Spot. Returning the soil to bury the ill leaves or burning them can
also help. What is Softnose and Anthracnose?

Regards

Saâd


--- In OliveOil@egroups.com, "Mike Wilson" <mike.wilson@h...> wrote:

> Saâd,
>
> Welcome to the group. I am a fairly new grower some 40km from the Pacific=

> Ocean in Australia with trees up to 5 years old. We don't get much fog, =
but
> we do get high humidity.
>
> The problems related to humidity have been most closely related to some
> fungal problems, most notably Peacock Spot and Softnose (which might
> actually be Anthracnose).
>
> Regards,
>
> Mike Wilson.
> Hunter Valley
> Australia.
</pre>
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<pre>> Hello Mike
>
> thanks for your email. We also met Peacock Spot wich seems to be the
> most usual effect of humidity and fog. I heard that certain varieties,
> such as Picholine du Languedoc, may show a good resistence to Peacock
> Spot. Returning the soil to bury the ill leaves or burning them can
> also help. What is Softnose and Anthracnose?
>
> Regards
>
> Saâd

Softnose / anthracnose is another fungal disease which we find affects our
olives. It affects developed fruit so that it starts to go mouldy and
shrivel from the end of the olive fruit back towards the centre. We believe
that regular sprays of copper should control it. We are not sure if the
disease we have is Soft Nose or Anthracnose (also known as Black Spot in
grapes, and known to affect many other fruit crops) which I believe is
"Elsinoe ampelina" in its scientific name, or if they are two separate
diseases or just one.

Perhaps some of the more experienced growers would care to comment as I am
still hoping to be able to eradicate this problem in the olives and any
advice is welcome.

Regards,

Mike Wilson.
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<pre>Softnose is a condition whereby olives are damaged at the tip - there
could be a number of causes - eg overnutrition - check nutrition by leaf
analysis

Anthracnose is a fungal infection that can give a type of softnose-also
the fruit become shrivelled and mummified.

Destroy affected fruit and give annual sprays of Bordeaux (copper)

Stan
</pre>
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