Grain Quality Resources

Direct Questions to:

Aaron Esser
Interim Regional Extension Specialist
Phone: 509-659-3210

Falling Number Resources

Answers to Frequently Asked Questions about Falling Numbers
Abstract: Falling numbers have been a major issue throughout Eastern Washington this past harvest season. Several recent Timely Topics have directed readers to information on falling numbers. Now a new resource has been added to the list of existing information on the topic.

Falling Number Update, Western Wheat Workers, Corvallis OR, May 31, 2017
At the Falling Number Summit in Feb. 2017, the following goals and action items were adopted. This is a progress report on those goals as of the Western Wheat Workers meeting that occurred on May 31, 2017. Additional progress that has been made in some areas will be included in a progress report developed in November 2017.

New Publication Addresses Managing the Risk of Low Falling Numbers
Abstract: Grain is purchased at a discount when falling numbers are below 300 seconds. This can result in serious financial losses for farmers. This article addresses many commonly asked questions about the Hagberg-Perten Falling Number test and provides some suggestions for reducing losses due to low falling numbers.

Recent Weather Could Affect Wheat Quality
Abstract: As wheat harvest gets started in Washington recent rainfall and cool temperatures have some growers worried about Mother Nature’s fickle ways with their crop. Rainfall close to harvest can result in preharvest sprouting, which can negatively affect wheat quality.  Dr. Camille Steber, USDA-ARS plant geneticist, explains the potential effects of recent rains on this year’s wheat crop and what growers can do to manage this risk.

Resources for Understanding Low Falling Number
Abstract: The following resources were assembled to help growers and wheat industry members understand issues surrounding low falling number in wheat.

White Paper-Strategies to Reduce Economic Losses Due to Low Falling Number in Wheat
Abstract: Untimely rain and temperature fluctuations caused increases in the starch-degrading enzyme alpha-amylase in Pacific Northwest wheat grain and low values for the international grading standard Hagberg Falling Numbers test.

Washington State University