Re: Squash Vine Borer Traps
- Subject: Re: Squash Vine Borer Traps
- From: G*@aol.com
- Date: Mon, 21 Jul 2008 18:35:51 EDT
I have been waiting many years for there development & offered at a
reasonable price. I have found that if you do not cover every square inch (I used
methoxyclor) of the plant they get at it. I do not grow Atlantic Giant anymore
because of soil born disease but I grow others in the same family that are
not bothered by that condition. I have two traps in my garden; the trap itself
can be used several years, the lures last 4 weeks & cost only a few
dollars. I only spray for mildew & Cuke Beetles, (tried traps did not catch one).
The SVB traps have been catching many of the moths, this looks like it may be
a good option. I will let you know how the crop turns out.
George
In a message dated 7/21/2008 11:52:17 A.M. Eastern Daylight Time,
haylage2000@yahoo.com writes:
I'm new to this whole Giant Pumkin growing business. Does one have to use
chemicals to have our GP keep gropwing? I can't bring myself to use
ANY pesticides and herbicides, regardless of how good the marketing is for
these products. The reasons have been pointed out clearly in the last few
emails I've read here. I'd rather take my chances with planting flowers
around the garden patch that will attract beneficial insects and such. Am I
wrong in having this strict organic mindset?
Haydn
--- On Mon, 7/21/08, Stephen Jepsen <ctpumpkin@optonline.net> wrote:
From: Stephen Jepsen <ctpumpkin@optonline.net>
Subject: IMIDACLOPRID UPDATE
To: pumpkins@hort.net
Date: Monday, July 21, 2008, 10:55 AM
***IMIDACLOPRID UPDATE***
I just checked some new toxicity data on Imidacloprid. The tables have
turned.
Here is the latest I can find:
"Imidacloprid is acutely toxic to earthworms with an LD50 of between 2 and
four parts per million in soil. While extremely low doses of 0.2ppm and
0.5ppm have been shown to cause deformed sperm and DNA damage
respectively."
Acutely doesnt suggest it is more or less toxic than another insecticide.
It refers to the mortality of a single exposure event. Chronic is the
long-term effect. This study didn't include long term exposure presumably
because worms move around & die from many other factors as well (heat,
drought, other chemicals, etc).
Either way, the tables are turning on Bayer who for years has claimed that
Imidacloprid was practically non toxic to worms when used as directed.
Apparently this has not been the case.
As usual toxicity is relevant to timing & rate of exposure.
My apologies for having quoted old data.
Stephen Jepsen
GPC Committee Member
Grow 'Em BIG
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