Nina, thanks for getting back to me and I'm glad if I gave you the
opportunity to reinforce your message. You'll note that I didn't use it, I
tried to confirm my impression that LCu could be used as a soil drench since
the labeling did not give that option. It did give instructions for spray
for powdery mildew, which we have a lot of on crepe myrtles etc. so I'm sure
I'll be using the spray. The holly has just been re-potted so you might be
right about the compacted soil. We'll see. Thanks again for getting back
and have fun - jay

Jay Beckenbach - Melrose, FL - Zone 8b/9a -

-----Original Message-----
From: Nina Shishkoff ]
Sent: Monday, February 16, 2004 1:37 PM
To: Beckenbach, Jay;
Subject: [IBC] Liquid Copper as a Soil Drench?


Jay, it isn't you. I'm not yelling at you, I'm just yelling because this is
the 800th time I've had to say this. Read the freakin' label, people.
Copper is a common active ingredient in perhaps dozens of fungicides, some
of which are prepared as foliar sprays, and some of them formulated as
drenches. It's nice that pesticide companies formulate their pesticides so
they do what they're supposed to do; but it's your job to keep the names and
labels straight. I'd do a google search of "copper drench" and see what I
came up with. In fact, I came up with "Phyton-27", a very famous copper
spray. The label recommends a drench for verticillium on maple (which,
IMHO, won't do a thing) or for botrytis on all nursery crops. So, it isn't
labeled for haphazard use on your yaupon. Therefore, don't use it. Your
holly may be suffering from compacted soil, or nematodes, or who knows
what-all. Take it to a cooperative extension office, have the problem
diagnosed, and THEN decide on a treatment.



-----Original Message-----

Date: Mon Feb 16 08:54:22 EST 2004
From: "Beckenbach, Jay"
Subject: [IBC] Liquid Copper as a Soil Drench?
To:

Last week it was mentioned that liquid copper is a good, mild anti-fungal
treatment and can be used as a soil drench. I noticed a few of the leaves
on my Ilex vomitorium (yaupon holly) turning brown. Last time that
happened, I lost a tree so I got a bottle of LCu. The instructions
indicated 4t/gal as a spray for ornamentals but didn't mention soil
drench.

Did I hallucinate the soil drench part or did I miss something? Any other
thoughts about the I.v. would be appreciated. By way of background, this
plant has just recently been repotted and then moved into a hoop house to
protect it from "wind chill" drying. It's gotten down to the low thirties
outside but not freezing yet. Soil mix of pine bark and fired clay.
Don't
want to lose this piece if I can help it. Thanks and have fun - jay

Jay Beckenbach - Melrose, FL - Zone 8b/9a -


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Nina Shishkoff


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