Idaho Soft White Spring Wheat

Information

Idaho State Official Variety Trials Website

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Contacts

University of Idaho Cereal Extension Specialist: Dr. Juliet Marshall

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Most Effective Fungicides

Brand	Rate	Timing	Efficacy
Prosaro (Bayer)	6.5 to 8.2 fl oz per acre	Anthesis (Feekes 10.51)	Good
Caramba (BASF)	13.5 to 17 fl oz per acre	Anthesis (Feekes 10.51)	Good
Proline (Bayer)	5 to 5.7 fl oz per acre	Anthesis (Feekes 10.51)	Good
Tebuconazole (Generics)	4.0 fl oz per acre	Anthesis (Feekes 10.51)	Fair
Miravis Ace	13.7 fl oz per acre	Anthesis (Feekes 10.51)	Good

Supplemental Information Courtesy of North Central Regional Committee on Management of Small Grain Diseases (NCERA-184): Fungicide Efficacy for Control of Wheat Diseases

2020 MR Soft White Spring Wheat Varieties

Entry Name	Source	FHB Resistance	DON*
WB6121	Bayer Crop Science/WestBred	MR/MS	10.9
Alturas	University of Idaho/IAES	MR/MS	2.5
UI Stone	University of Idaho/IAES	MR/MS	4.65
Seahawk	Washington State University/WAES	MR/MS	3.9

^*DON is parts per million of deoxynivalenol toxin. Data is from 2019, as 2020 data is not yet complete.

FHB Resistance - MR=Moderate Resistant, MS=Moderate Susceptible, S=Susceptible, Rating - 1-9 where 1 is the best and 9 is the worst

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* Please Note: The USWBSI recommends the planting of Moderate Resistant (MR) varieties, public or private, as an effective way to help manage FHB. Varieties with a rating of MR or better for FHB were determined through official state variety trials and/or recommendations from each state’s public small grain specialists.