2012 version of home garden fungicide list

Finally, I had a time to update a list of fungicides for home garden grape production.  This updated list contains name of fungicide products that you can purchase from home… Read more

Saturday’s disease risk event

Oops, this one slipped out from my mind over the weekend!  I calculated the value, satisfied, and forgot to upload! In anyway, from Friday night, we had a wetness event… Read more

Recent disease risk events

Most of VA started a week with a rainy Monday.  At Winchester, the first estimated wetness period started 5 AM Monday morning, lasted until 3 PM (10 hours) with an… Read more

Downy mildew gallery

Here’s some of downy mildew symptoms (on Vidal). 1) On upper leaf 2) Underside close-up 3) On young berries  4) Up-close and personal You can find more pictures of downy… Read more

Disease risks 11-13 June

Winchester area received quite a bit of precipitation (1.4 inches) from a series of rain event starting from the 11th of June.  We had two wetness periods 14 hours with… Read more

Disease risks from yesterday

I guess it is typical of Winchester area.  I was monitoring radar regularly for the entire afternoon, watching lines of thunderstorms moving toward northeast over many part of VA; however,… Read more

Disease risks from yesterday’s rain

Thunderstorm and rain event started around 5PM on 29th resulted in about 10 hours of estimated leaf wetness event with an average temperature of 68F.  It was an infection event… Read more

Disease risks from the weekend

It did not rain much at my place (about 10 miles East of the station), so, it did not register to my mind, but Winchester area received a series of… Read more

Disease risks from today’s rain

Winchester area received rain from a thunderstorm last night around 7:30PM.  An estimated leaf wetness period is 14.5 hours with an average temperature of 63F.  It was a risk event… Read more

Disease risks from today’s rain

Winchester area received a series of thunderstorms from around 11PM last night.  It accounted for a 11 hours of estimated leaf wetness event with an average temperature of 60F.  It… Read more
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