Concord) that has had a problem the last few years. It gets lots of grapes that grow to full size, but then about 90 percent of them turn black and shrivel up. What problem do I have? Concord’ ...

Grape white rot, caused by Coniella diplodiella (Speg.) Sacc. (Cd), significantly impacts grape production and quality, highlighting the need for effective disease management strategies beyond ...

Grape black rot, caused by the homothallic ascomycete Phyllosticta ampelicida, is a disease originating from North America and is widespread in Europe. To investigate population structure and ...

WEBVTT RIGHT UP ALONG THE SUMMIT RIGHT NOW. BACK TO YOU. MARK, THANK YOU. OF COURSE, RAIN WOULD USUALLY BE WELCOMED BY FARMERS. BUT IT'S HITTING SOME GRAPE GROWERS RIGHT IN THE MIDDLE OF HARVEST.

It’s been a mild and springlike March and that means it’s time for gardening. If you’ve got questions, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s ...