Crop Damage Estimates for Crown Rot of Wheat and Barley in the Pacific Northwest

Plant Disease
Richard W SmileyRuth G Whittaker

Abstract

Crown rot of wheat and barley in the Pacific Northwest is caused by a complex of Fusarium pseudograminearum, F. culmorum, F. avenaceum, Bipolaris sorokiniana, and Microdochium nivale. Yield-loss estimates were made by evaluating yield components on tillers collected from commercial fields and sorted by disease severity classes, and by comparing yields for field plots inoculated with F. pseudograminearum with yields in naturally infested soil. Increasing crown rot severity caused an increase in grain protein content and reduction in grain yield, kernels per head, kernel weight, test weight, tiller height, and straw weight. Crown rot reduced winter wheat yield as much as 1,550 kg/ha (35%, $219/ha) in commercial fields, with a 13-field mean of 9.5% ($51/ha). Inoculation reduced yields as much as 2,630 kg/ha (61%, $372/ha) over that caused by the native pathogen flora. Rain-induced crusting of the soil surface greatly amplified preemergence damping-off caused by F. pseudograminearum. Crown rot caused the greatest losses during seasons of lowest precipitation but also damaged crops under wet conditions. Aboveground symptoms were not always apparent under conditions of moderate infection and yield constraint. Damage from crown rot in...Continue Reading

References

Mar 1, 1992·Journal of Motor Behavior·P J Beek, A A van Santvoord

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Citations

May 23, 2018·Plant Methods·Samir AlahmadLee T Hickey
Jun 12, 2019·FEMS Microbiology Ecology·José F Cobo-DíazAdeline Picot
Dec 17, 2019·Plant Disease·Richard W Smiley, Stephen Machado
Nov 7, 2008·Molecular Plant-microbe Interactions : MPMI·Amber E StephensJohn M Manners
Mar 4, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·W D BovillM W Sutherland
Jul 5, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·G D ChenC J Liu
Dec 5, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·A MartinM W Sutherland
Nov 1, 2015·Applied and Environmental Microbiology·Ida KarlssonHanna Friberg
Apr 4, 2017·Frontiers in Plant Science·Sriram PadmanabanAnke Martin
Mar 17, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Jingjing JinJun Ma
Jun 11, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Hao Bing LiChun Ji Liu
Aug 12, 2010·Phytopathology·Y X LiuC J Liu
Sep 16, 2010·Phytopathology·Sukumar ChakrabortyKrishanthi Abeywickrama
Nov 25, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Ahsan HabibChunji Liu
Jan 9, 2009·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·H B LiC J Liu
Dec 10, 2016·PloS One·Xinlun Liu, Chunji Liu
Sep 5, 2018·Scientific Reports·Kai P Voss-FelsSven Gottwald
Sep 1, 2005·Plant Disease·Richard W SmileyLisa-Marie Patterson
Nov 1, 2013·Plant Disease·Abolfazl HajihassaniFarahnaz Jahanshahi Afshar

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