Here are the results of the juice analysis from the berries collected this morning. 31-Jul-13 Cultivar °Brix pH TA Cayuga White R 11.1 2.79 1.83 Cayuga White F 10.2 2.65 2.19 Seyval Blanc R 12.9 2.77 1.79 … [Read more...] about Grape juice chemistry
Archives for July 2013
Vickie Baumer put SWD traps in the Cayuga White and Seyval Blanc blocks in the Research Vineyard and in the Chardonel in the Foundation Vineyard on Thursday, July 25. Today, she counted SWD as follows: Cayuga White: 8 females Seyval Blanc: 78 females and 2 males (Seyval has a little bird depradation) Chardonel: 12 females and 1 male We are not sure at this point … [Read more...] about Spotted Wing Drosophila counts in grapes
GDD base 50 accumulated since April 1 = 1872 http://agebb.missouri.edu/weather/reports/gddTable.asp Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf … [Read more...] about Grape phenology and GDD accumulation
Yesterday Drs. Qiu and Hwangs' summer students from Missouri State, Missouri University of Science and Technology and Truman State University gave presentations based on their work this summer. A lunch for the whole campus kicked off the event and we decided to take a group photo since everyone was together. … [Read more...] about Summer Summary kickoff
Here are some photos of yellow mite damage and webbing (Eotetranychus carpini borealis) on our raspberries in the high tunnel. We identified the mites by looking at the underside of the leaf under the binocular microscope. … [Read more...] about Yellow mite damage on raspberries