Colorado Grape Grower Monthly Conference Call

The first Monday of each month, beginning at 9 AM, the CWIDB will host an informal conference call for all grape-growers in Colorado.  This month, Dr. Markus Keller, Chateau Ste. Michelle Distinguished Professor in Viticulture at Washington State University, will talk about vineyard management with a focus on irrigation practices.

From Dr. Keller’s web site on

Pre-harvest irrigation
Irrigation during the grapes’ ripening phase is prohibited by law in many European countries and is often discouraged by wineries even in the new world for fear the extra water might be taken up by the grapes and dilute their quality. Surprisingly, there is little scientific evidence that late-season water uptake by the roots is detrimental to fruit quality. We are using innovative techniques to investigate how water moves into and out of grape berries and whether such water movement leads to changes in berry size and solute concentration.

You can join this conference call each month by going to in your web browser.  Log in with your name then select whether to join the audio portion of the conference using VoIP on your computer or by calling 720.515.1880 on your phone.  Although our speakers may have a brief video presentation, you will not need to join the meeting on-line.

You can also join the calls in person at either CSU’s Orchard Mesa Research Center, 3168 B 1/2 Road, Grand Junction, CO 81503-9621, or at the Colorado Dept. of Agriculture, 305 Interlocken Parkway, Broomfield, CO 80021.


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9:00 AM

Colorado Grape Grower Monthly Conference Call