Re: CULT: % of losses
- To: Multiple recipients of list <i*@rt66.com>
- Subject: Re: CULT: % of losses
- From: r* <t*@catskill.net>
- Date: Tue, 25 Mar 1997 13:07:16 -0700 (MST)
Irisborer@aol.com wrote:
>
> In a message dated 97-03-25 14:33:35 EST, you write:
>
> >YUCK! I've never known about this before. What do you do when
> >he/she/it pops? Step on it? Squash it in your fingers? You certainly
> >can't let it go to bore another day. If there's one in there, are
> >thereusually more or is it one to a plant?
>
> Rima... along with their other fascinating attributes, irisborers are also
> cannibalistic - so by the time they're significant, they're also one/fan!
> Classic symptoms are leaf fans chewed on the side (notched), slimy stuff at
> the base of the fan, and maybe even some sawdust-like material. The borer
> moth lays her eggs on iris debris... the larvae hatch and chew into the
> fan... and once inside, chew their way down to the rhizome - which they then
> hollow out! Sometimes the iris survives this treatment and the borer then
> exits through the bottom and goes to pupate somewhere.
>
> The controls are manual... "popping" them in the leaf sheath... or going
> after them, cutting them out of the plant and dispatching them into a bucket
> of bleach. Not for the fainthearted.
>
> The chemical control is a pesticide called Cygon 2E, which is used as a
> drench on 3 occasions... 1. when the fan first begins to grow in the
> spring... 2. 10 days after that... 3. 10 days after THAT. Cygon is a
> systemic insecticide so that the plant itself becomes toxic, thereby killing
> the nasty borer inside.
>
> You only need one good borer infestation to get religion.
>
> Murphy's law of irisborer... they will particularly be attracted to your $40
> introduction.... or to the iris you most anticipate seeing.
>
> For some unfair reason, borers are only found in the east. But the west has
> OJ.
>
> Kathyguest... who was 'organic' until her first infestgation... picture an
> iris patch full of grubs the size of your thumb!!! YUCK!!
thanks, Kathy -- Do these pesticides and chemicals hurt dogs in any way
that you know of? Mine are into everything -- I don't eve spray for the
cluster fly infestations.
Rima terra@catskill.net
