Missouri State University
At the Missouri State Fruit Experiment Station

Monthly Archives: October 2012

Grape phenology and GDD accumulation

GDD base 50 accumulated since April 1 = +4064 (+496 departure from normal) at Mountain Grove http://agebb.missouri.edu/weather/reports/gddTable.asp March 2012 GDD base 50: 306+4064 = 4370 Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf

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Grapevine phenology and GDD accumulation

GDD base 50 accumulated since April 1 = +4000 (+456 departure from normal) at Mountain Grove http://agebb.missouri.edu/weather/reports/gddTable.asp March 2012 GDD base 50: 306+4000 = 4306 Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf

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Black Walnut Harvest

The field crew is harvesting black walnuts for a research trial directed by John Avery, Fruit Grower Advisor, in cooperation with Hammons Black Walnuts company in Stockton, Missouri. The nuts for each grafted variety are collected, hulled, bagged and labeled. …

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Grapevine phenology and GDD accumulation

GDD base 50 accumulated since April 1 = +3950 (+443 departure from normal) at Mountain Grove http://agebb.missouri.edu/weather/reports/gddTable.asp March 2012 GDD base 50: 306+3950 = 4256 Phenology stages according to the Modified E-L system http://door.uwex.edu/files/2010/10/ModifiedEichhornLorennzsystem.pdf

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