North American Fruit Explorers mailing list at ibiblio

["Mark & Helen Angermayer" <hangermayer@isp.com>]

Hi Alan,

 

The late Tom Vorbeck (on the Website) recommends Malathion, as it is easier on mite predators than Sevin (He used to recommend Imidan, but it's no longer approved for use in residential areas.)  Everyone says if you use something like Sevin or a pyrethroid season long, you get mite explosions.  Last summer I sprayed my green beans too many times with a pyrethroid and did develop a mite problem ( I've tried not spraying before and you get the most bug damaged scarred things you've ever seen.  They're OK to eat, as long as you keep your eyes closed.)

 

But perhaps apples are a little tougher.  Have you ever seen mite's that have caused problems on any of the small orchards you manage?

 

Mark

KS

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

From: Alan Haigh

To: nafex@lists.ibiblio.org

Sent: Sunday, April 06, 2008 6:20 AM

Subject: [NAFEX] chemical pest control

I would never use malathion for curculio unless I was closely monitoring for the pest and very confident of my timing.  I think I'd rather use even Surround, on the basis of efficacy alone, just because it provides twice the duration of protection although that protection is not complete.  For those unwilling or unable to use phosmet (Imidan), I'd recommend Sevin as would the commercial consultants that I'm aware of.

 

Some states do not allow Avaunt for non--commercial applications but it is very affective against curc.  Unfortunately it doesn't control a slew of other pests that Imidan and Sevin do.

 

The question of the safety of using organophosphates is a little complicated but the government is phasing them out, whatever you want to read into that.  Personally, I don't think that a hobbyist doing very little spraying is at any great risk if they limit their exposure as much as possible.  I don't look forward to a world where I can no longer purchase Imidan for use in my very low-spray program.  It will be very difficult for me to protect the scores of small orchards for which I'm now responsible.

---

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