From: apple-crop-boun...@virtualorchard.net
[apple-crop-boun...@virtualorchard.net] On Behalf Of Jon Clements
[jmcext...@gmail.com]
Sent: Sunday, April 24, 2011 7:02 PM
To: Apple-crop discussion list
Subject: {SPAM?} Re: [apple-crop] spectrum instruments
Yea, look at me, given my old(er
list Objet : Re: [apple-crop] spectrum instruments
Hello All,
I have a few Spectrum machines and have seen the discrepancies between the
different models. As someone else mentioned, one of the reasons is probably
related to the issue on how to decide if 2 or more wetting events should
Dave's right, the Mills model is Al Jones from about 1980. The WA model is
actually the original Bill Mills model from the 40's, and the Cornell model is
Gadoury, Stensvand and Seem's 1994 revision. Nice overview, Dave. I haven't
checked, but there may be differences between the Cornell model
thank you Dave for the time and effort you put into this post -
short of input from specmeters, I'll slightly exaggerate and say that the
Cornell model will predict scab infection after a short heavy dew, while the WA
model requires rainforest conditions for a couple of days before it
thanks Vincent, for the link to RIMpro - I look forward to investigating more
when I'm not so tired -
David -
On Apr 21, 2011, at 12:10 PM, Vincent Philion wrote:
Hi! I agree with both Dave and Daniel, but let me add a grain of salt:
All infection events are not equal.
Plain
