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 be
considered one continuous wetting event. The NEWA
Hello ms Los.
In a nutshell: pathologists seldom agree on anything.
;-)
More seriously, 24 hrs was suggested by MacHardy based on different sources and
is a OK value.
However, there is field data on potted plants that show SOME ascospore survival
for many days.
That's one of the many
The 24 hour time frame used in NEWA was decided on by Bill Turechek when he was
the extension tree fruit pathologist at Cornell and is primarily based on the
work by Becker and Burr on interrupted wetting events. Prior to that NEWA had
used 8 hours.
The tricky part comes in combining a
Hi! Thanks Julie: I had forgotten about this other limitation of the old
style calculations: Where to stop?
With the RIMpro approach (boxcar cohort programming) this is never an issue
because the proportion of spores that survives multiple drying, etc becomes
nil and drops out of the