Re: CULT: non
- Subject: Re: CULT: non
- From: D* &* M* M*
- Date: Mon, 30 Nov 1998 20:12:16 -0600
From: "Dan & Marilyn Mason" <dmason@rainyriver.Lakeheadu.Ca>
Diana Louis <dlouis@dynamicro.on.ca> wrote:
<Dan, It sounds as if someone in your area has Iris borer
and it would be
worth while to spray either Cygon 2E or nematodes in the
spring while
you have a look to see if you can find whose garden has
these.>
-------------------------------------------------------
The nearest bearded irises to my gardens were 2 1/2 miles
away and they were several clumps around a foundation. There
are probably more than a million I. Versicolor growing
within 2 1/2 miles.
Most TB's I've tried succumb to borers quickly. Most IB's
and SDB's aren't bothered as much by borers. This particular
older IB mentioned in my previous message, about borers
bothering the iris more when cleanly cultivated, blooms at
the same time as TBs, unlike my other IBs.
I don't know if I. Versicolor is a good nurse crop for
borers, or if the borers come from another source. I've
never noticed anything bothering I. Versicolor in the wild
but I haven't looked closely. There is so much of it growing
so well everywhere that I presumed nothing was bothering it.
Something has been bothering the first non-local I.
Versicolor I tried, a pinkish red flowered selection. It
didn't bloom or increase this year. I'll dig it up and have
a good look at it next spring.
Dan Mason zone 3, NW Ontario
dmason@rainyriver.lakeheadu.ca
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