Thunderstorms went through yesterday in Winchester area; however, air was dry (RH<80% even during the rain), and the sun came up soon after that, thus, leaves were probably dry soon after the rain. It was probably not a disease risk event. We are expecting to see more rain this afternoon.
It seems that several rain events have happened over the course of the past two weeks or so. Here is a summary of recent downy mildew risk events, based on the NEWA stations and DMCast. Bristol, VA Fifteen days with potential DM infection event(s) since Sept 1. The latest event happened last Sunday. Floyd, VA Eleven days with potential DM infection event(s) since Sept 1. The last event happened last Friday. Charles City, VA Twelve days with potential DM infection event(s) since Sept 1. The latest event happened yesterday. Central VA Since there was a wide variation among stations, I am listing several around Central VA. Tyro, VA Nine days with potential DM infection event(s) since Sept 1. The latest event happened yesterday. Red Hill and Crozet, VA Only one day with potential DM infection event(s) since Sept 1. Olympic Lake Thirteen days with potential DM infection event(s) since Sept 1. The latest event happened last Sunday. Washington, VA Eight days with potential DM infection e...
Birds damage is also starting to occur.
ReplyDeleteThat's a good reminder! Bird damages can end up with Botrytis and other late season rot.
ReplyDeleteI would love to see more images of your grapevines throughout the process, just to compare mine with :)
ReplyDeleteHi Andrew,
ReplyDeleteI think that's a good idea. I will try to put as much pictures as possible!