Bill:
I am glad to hear that you can use carbaryl without concern for mite
build-up. I avoid carbaryl except for chemical
thinning, where it seems to be necessary for success with benzyladenine. If I
could not get potato leafhopper control
w/o carbaryl, I suppose I would use it.
David
Here in Central Virginia this year we rotated Calypso with Carbaryl as
populations settled in to our blocks. It worked great.
On Fri, Nov 22, 2013 at 1:10 PM, David Kollas wrote:
> This past season I had continued re-infestation of potato
> leafhopper in young unbudded apple rootstock n
This past season I had continued re-infestation of potato leafhopper in
young unbudded apple rootstock nursery. Calypso provided control, but only
until the next population floated in on air currents, presumably from somewhere
far south of here (Connecticut). My question is: Are these m
