[NAFEX] curculio

lee reich lreich at hvc.rr.com
Sat Jun 18 07:52:48 EDT 2005


I mix sulfur in with my all my Surround sprays and, as I said, still  
extensive curculio damage -- my rough guess is 80% despite diligent  
spraying and good coverage using backpack Stihl mist sprayer.

Lee Reich, PhD
www.leereich.com



On Jun 17, 2005, at 5:12 PM, Stephen Sadler wrote:

> Researching a little further, I find a study that found that  
> Surround WP
> combined with sulfur and lime sulfur controlled plum curculio  
> better than
> Surround alone.  No, I don't know why the sulfur would help.  Maybe  
> it's
> irritating to the bugs, maybe there are less fungal diseases,  
> therefore less
> fruit fall, therefore less immediate habitat - but I'm sticking to  
> my "I
> don't know."
>
> Rodale suggests a spray of Pyrethrum at pink and/or petal fall in  
> an effort
> to further control PC, followed by Surround from petal fall through  
> June.
>
> Stephen Sadler, Ph.D.
> USDA 9, AHS heat zone 8,
> Sacramento CA - Mediterranean climate
>
>
>
>
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