- Stripe Rust Update, May 31, 2026 Xianming Chen Rusts in the Pacific Northwest Stripe rust has been continually developing in the Pacific Northwest. The relatively dry conditions between the middle of April and middle May slowed […]
- Stripe Rust Update April 22 Xianming Chen A. Stripe rust is developing fast in the Pacific Northwest Figure 1. Stripe rust on wheat plants in an experimental field at Mount Vernon, WA (Skagit County) on […]
- Stripe Rust Update March 19, 2026 Xianming Chen A. Stripe rust is developing in the Pacific Northwest On March 18, we were checking wheat fields in Franklin, Benton, Walla Walla, Columbia, Garfield, and Whitman counties. […]
- Stripe Rust Forecast and Update, March 4 2026 Xianming Chen A. Stripe rust is forecasted in the upper range of severe epidemics for the eastern Pacific Northwest Wheat stripe rust is forecasted to be in the upper range […]
- 2026 First Stripe Rust Forecast for the Eastern Pacific Northwest Xianming Chen Based on the weather data of November and December 2025, stripe rust in the 2026 wheat growing season is predicted to be in the topper range of severe […]
- Stripe Rust Update and Special Notes on Yr5 and Yr15, June 18, 2025 Xianming Chen Stripe rust in the Pacific Northwest So far, we have completed recording stripe rust data of our winter crop nurseries in various locations including Central Ferry, Mount Vernon, […]
- Stripe Rust Update, May 21, 2025 Xianming Chen Stripe rust has been developing in Washington Since the last stripe rust update on May 7, stripe rust has been developing in the Pacific Northwest (PNW), especially in […]
- Stripe Rust Update, May 7, 2025 Xianming Chen Stripe rust is appearing in the Palouse region Yesterday, we were checking fields around Pullman, Washington (Whitman County). Winter wheat and barley arranged from Feekes 5 to 7. […]
- Stripe Rust Update, April 18, 2025 Xianming Chen Stripe rust is developing in the Pacific Northwest In the last two weeks, we were planting spring cereal nurseries and checking winter wheat fields in various locations. So […]
- Stripe Rust Forecast, March 5, 2025 Xianming Chen Stripe rust is forecasted in the low epidemic range for the eastern Pacific Northwest Wheat stripe rust is forecasted to be in the low epidemic range (1-20% yield […]
- 2025 First Stripe Rust Forecast for the Eastern Pacific Northwest January 7, 2025 Xianming Chen Based on the weather data of the November and December 2024, stripe rust in the 2024 wheat growing season is predicted to be in the […]
- Stripe Rust Update, November 18, 2024 2024 Wheat Variety Yield Loss and Fungicide Tests and Stripe Rust Survey in November November 18, 2024 Xianming Chen A. Yield losses caused by stripe rust and increases […]
- Stripe Rust Update, July 12, 2024 Xianming Chen As of today, we have almost completed recording stripe rust data in our winter and spring crop nurseries at various locations in Washington. Stripe rust developed to […]
- Stripe Rust Update, May 31, 2024 Xianming Chen Stripe rust in the Palouse region Yesterday, I was checking wheat and barley fields in the Palouse region (Whitman County, Washington and Latah County, Idaho). Winter wheat […]
- Stripe Rust Update, April 26, 2024 Xianming Chen Stripe rust in eastern Washington On April 24, when we were planting spring wheat nurseries at the Palouse Conservation Farm Station near Pullman (Whitman County), I was checking […]
- Stripe Rust Update, April 13, 2024 Xianming Chen Stripe rust widely occurring in the Pacific Northwest Over the last 10 days, we were planting spring cereal nurseries and checking winter wheat fields in various locations. So […]
- 2023 Wheat Variety Yield Loss and Fungicide Tests and Fall Stripe Rust Survey, November 21, 2023 Xianming Chen A. Yield losses caused by stripe rust and increases by fungicide application on wheat varieties tested in 2023 The experiment for assessing yield losses caused by stripe rust […]
- Stripe Rust Forecast and Update, March 1, 2024 Xianming Chen Stripe rust is forecasted in the range of severe epidemic for the eastern Pacific Northwest Wheat stripe rust is forecasted to be in the range of severe epidemic […]
- 2024 First Stripe Rust Forecast for the Eastern Pacific Northwest, January 8, 2024 Xianming Chen Based on the weather data of the November and December 2023, stripe rust in the 2024 wheat growing season is predicted to be in the range of severe […]
- Stripe Rust Update, June 13, 2023 Xianming Chen Rusts in the Pacific Northwest Last week, we completed collecting the stripe rust data in our germplasm screening nurseries of winter crops and took the first time of […]
- Stripe Rust Update, May 17, 2023 Xianming Chen Stripe rust in the eastern Pacific Northwest Yesterday, we were checking winter wheat fields in Whitman, Garfield, Columbia, Walla Walla, Franklin, and Adams counties in Washington. Winter wheat […]
- Stripe Rust Update, May 1, 2023 Xianming Chen Stripe rust in the Pacific Northwest On April 26 and 27, we were planting spring cereal nurseries and taking the first notes of the winter nurseries at Mount […]
- Stripe Rust Forecast and Update, March 10 2023 Xianming Chen Stripe rust is forecasted to be in the moderate epidemic level in the eastern Pacific Northwest Wheat stripe rust is forecasted to be in the moderate epidemic level […]
- 2023 First Stripe Rust Forecast and 2022 Variety Yield Loss and Fungicide Tests, January 10, 2023 Xianming Chen A. The 2023 first forecast of stripe rust for the eastern Pacific Northwest Based on the weather conditions in November and December 2022, stripe rust in the 2023 […]
- Stripe Rust Update, July 14, 2022 Xianming Chen The stripe rust season is over for winter wheat and almost over for spring wheat and barley in eastern Pacific Northwest. We have completed stripe rust data collections […]
- Stripe Rust Update, June 17, 2022 Xianming Chen Stripe rust in the eastern Pacific Northwest As the weather has been cool and wet for the eastern Pacific Northwest (PNW), stripe rust has developed and spread quickly […]
- Stripe Rust Update, June 2, 2022 Xianming Chen Stripe rust in the Palouse Region Yesterday, I was checking fields in the Palouse region (Whitman County, WA and Latah County, ID). Winter wheat ranged from Feekes 7 […]
- Stripe Rust Update, May 12, 2022 Xianming Chen Stripe rust has started developing in the eastern Pacific Northwest Yesterday, we were checking winter wheat fields in Whitman, Garfield, Columbia, Walla Walla, Franklin, and Adams counties in […]
- Stripe Rust Update, April 17, 2022 Xianming Chen Stripe rust in the Pacific Northwest On April 13 and 14, we were planting spring cereal nurseries and taking the first notes of the winter nurseries at Mount […]
- Stripe Rust Forecast and Update, March 7, 2022 Xianming Chen Stripe rust is forecast to be in the moderate epidemic level in the eastern Pacific Northwest Based on the predication models using the weather data from November to […]
- First Stripe Rust Forecast for 2022, January 10, 2022 Xianming Chen Based on the weather data in November and December 2021, stripe rust in the 2022 wheat growing season is forecasted to be in the middle range of the […]
- Stripe Rust Update, May 28, 2021 Xianming Chen Rust in western Washington This week, we were taking the second-time stripe rust notes of the winter cereal nurseries and the first-time notes of spring cereal nurseries in […]
- Stripe Rust Update, May 13, 2021 Xianming Chen Stripe rust in Washington State Yesterday, we were checking winter wheat fields in Whitman, Adams, Lincoln, Grant, Douglas, Columbia, and Garfield counties. Wheat crops ranged from middle jointing […]
- Stripe Rust Update, April 16, 2021 Xianming Chen Stripe rust in the Pacific Northwest On April 13 and 14, we were planting spring cereal nurseries and taking the first notes of the winter nurseries at Mount […]
- Stripe Rust Forecast and Update, March 15, 2021 Xianming Chen Stripe rust is forecasted to be in the normal epidemic level in the eastern Pacific Northwest Based on the predication models using the weather data from November 1, […]
- 2021 First Stripe Rust Forecast and 2020 Variety Yield Loss and Fungicide Tests, January 7, 2021 Xianming Chen A. The 2021 first forecast of stripe rust for the eastern Pacific Northwest Based on the weather conditions in November and December 2020, stripe rust in the 2021 […]
- 2020 Variety Yield Loss Tests Summary of Yield Losses by Stripe Rust and Increases by Fungicide Application on Winter and Spring Wheat Varieties in 2020 Xianming Chen, Kent Evans, and Jason Sprott USDA-ARS Wheat Health, […]
- Stripe Rust Update, July 16, 2020 Xianming Chen Stripe Rust in the Pacific Northwest Winter wheat has reached maturity, and harvest has started in central and south-central Washington. In the Palouse region in eastern Washington and […]
- Latest Use of Fungicides and Other Concerns Xianming Chen Latest use of Fungicides In the recent days, I have got several e-mails and phone calls about the latest stage for applying fungicides. Attached is a list of […]
- Stripe Rust Update, July 1, 2020 Xianming Chen Stripe Rust in the Pacific Northwest During the last two weeks, we have been recording stripe rust data in our experimental nurseries at various locations, and completed note-taking […]
- Stripe Rust Update, June 4, 2020 Xianming Chen Stripe Rust in Pacific Northwest This week, we were completing stripe rust notes of winter cereal nurseries in Mount Vernon (Skagit County), Washington; Hermiston (Umatilla County), Oregon; and […]
- Stripe Rust Update, May 15, 2020 Xianming Chen Stripe Rust in Washington This week, we were eventually able to travel to Mount Vernon (Skagit County) in northwest Washington to finish the first note-taking of stripe rust […]
- Stripe Rust Update, May 5, 2020 Xianming Chen Stripe Rust Appears in the Palouse Region Today, I was checking stripe rust in our winter wheat experimental fields around Pullman (Whitman County in Washington) and found stripe […]
- Stripe Rust Update, April 22, 2020 Xianming Chen Stripe Rust in eastern Pacific Northwest Yesterday, I was checking wheat fields in Whitman, Adams, Lincoln, Grant, and Douglas counties in Washington. Winter wheat ranged from Feekes 4 to […]
- Stripe Rust Forecast and Update, March 1, 2020 Xianming Chen Stripe rust is forecasted to be in the severe epidemic level in the eastern Pacific Northwest Based on the predication models using the weather data from November 1, […]
- Stripe Rust Forecast, January 7, 2020 and 2019 Fungicide and Variety Yield Loss Tests Xianming Chen A. The 2020 first forecast of stripe rust for the eastern Pacific Northwest Based on the weather conditions in November and December, 2019, stripe rust in the 2020 […]
- Stripe Rust Update, November 20, 2019 Xianming Chen Stripe Rust Observed in Wheat Fields in Lincoln and Douglas Counties, Washington Yesterday, we were checking wheat fields in Whitman, Adams, Lincoln, Grant, and Douglas counties in Washington […]
- Stripe Rust Update, July 12, 2019 Xianming Chen Stripe Rust in the Pacific Northwest During our field survey on July 9 in Whitman, Garfield, Columbia, Walla Walla, and Astotin counties of Washington and Nez Perce and […]
- Stripe Rust Update, June 14, 2019 Xianming Chen Stripe Rust in the Pacific Northwest In the western Pacific Northwest (PNW), especially northwestern Washington, winter wheat ranged from kernel watery ripe (Feekes 10.54) to soft dough (Feekes […]
- Stripe Rust Update, May 29, 2019 Xianming Chen Stripe Rust is developing in experimental fields in the Palouse region This morning, I was checking fields in the Palouse region. Winter wheat was at boot to heading […]
- Stripe Rust Update, May 9, 2019 Xianming Chen Stripe Rust in the Eastern Pacific Northwest Yesterday, we were checking wheat fields in Whitman, Garfield, Columbia, Walla Walla, and Franklin counties in Washington and Umatilla County in […]
- Stripe Rust Update, May 2, 2019 Xianming Chen Stripe Rust Was Found in Lind, but not in the Palouse Region Last week, we were planting spring nurseries and recording the first set of stripe rust data […]
- Stripe Rust Update, April 18, 2019 Xianming Chen Stripe rust found in the Walla Walla area Yesterday, we were checking wheat fields in Whitman, Lincoln, Douglas, Grant, Adams, Franklin, Benton, and Walla Walla counties of Washington. […]
- Stripe Rust Forecast and Update, March 22, 2019 Xianming Chen Stripe rust will likely be low this year in the eastern Pacific Northwest This unusual winter appears over, and spring comes late but suddenly. Based on the forecast […]
- Stripe Rust Update, January 8, 2019 and 2018 Fungicide and Variety Yield Loss Test Xianming Chen A. Field survey in November 2018 On November 16, 2018, our crew was checking winter wheat fields in Whitman, Lincoln, Adams, Grant, and Douglas counties in eastern Washington […]
- Stripe Rust Update, June 16, 2018 Xianming Chen Wheat Stripe Rust In the Pacific Northwest, most fields of winter wheat have passed the flowering stage, and some winter wheat fields have reached the ripening stage. In […]
- Stripe Rust Update, June 1, 2018
- Stripe Rust Update, May 8, 2018
- Stripe Rust Update, April 10, 2018
- Stripe Rust Forecast and Update, March 8, 2018
- Stripe Rust Update, January 3, 2018
- Stripe Rust Update, July 11, 2017
- Stripe Rust Update, June 16, 2017
- Stripe Rust Update, May 19, 2017
- Stripe Rust Update, May 5, 2017
- Stripe Rust Update, April 6, 2017
- Stripe Rust Forecast and Update, March 9, 2017
- Stripe Rust Update, January 13, 2017
- Stripe Rust Update, 2016 Stripe Rust Summary
- Stripe Rust Update, November 9, 2016
- Stripe Rust Update, June 17, 2016
- Stripe Rust Update, May 26, 2016
- Stripe Rust Update, May 5, 2016
- Stripe Rust Update, April 13, 2016 Xianming Chen Stripe Rust in the Pacific Northwest On April 7, I was checking wheat fields in Whitman, Garfield, Walla Walla, and Franklin counties of Washington and Umatilla County of […]
- Stripe Rust Update, March 31, 2016 Xianming Chen Wheat stripe rust in Washington Yesterday, we were checking wheat fields in Whitman, Lincoln, Adams, and Franklin counties in eastern Washington. Winter wheat ranged from Feekes 2 to […]
- Stripe Rust Update, June 25, 2015 Xianming Chen Stripe rust in Washington Based on field observations in this week, winter wheat ranged from milk to ready to harvest and spring wheat from heading to soft dough […]
- Stripe Rust Update, June 11, 2015 Xianming Chen Stripe rust in eastern Washington We were checking wheat and barley fields in eastern Washington yesterday and today. Winter wheat ranged from flowering (Feekes 10.5) to dough stage […]
- Stripe Rust Update, May 21, 2015 Xianming Chen Stripe rust in the PNW Yesterday, we were checking wheat and barley fields in eastern Washington. Winter wheat ranged from late jointing (Feekes 8) to flowering (Feekes 10.5) […]
- Stripe Rust Update, April 29, 2015 Xianming Chen Stripe Rust Occurring in the Palouse Region Stripe rust was first observed as a single rusting leaf in the susceptible spreader rows in one of our winter wheat […]
- Stripe Rust Update, April 10, 2015 Xianming Chen Stripe Rust in the PNW We were checking wheat fields in Washington and northeastern Oregon on April 9, 2015. Winter wheat ranged from early jointing (Feekes 4) to […]
- Stripe Rust Forecast and Update, March 5, 2015
- Stripe Rust Forecast and Update, March 4, 2016 Xianming Chen Severe stripe rust forecasted for the eastern Pacific Northwest Based on our forecast models using the weather conditions from November 2015 to February 2016, stripe rust will potentially […]
- Stripe Rust Update, January 8, 2015 First Forecast of Stripe Rust for 2015 and 2014 Yield Losses Xianming Chen Forecast for 2015 The current forecast is that highly susceptible winter wheat varieties would have 38% yield […]
- Stripe Rust Update, July 3, 2014 Xianming Chen Stripe rust in the Palouse region I was check fields in the Palouse region (Whitman and Spokane counties of Washington and Latah County of Idaho. Winter wheat ranged […]
- Stripe Rust Update, May 23, 2014 Xianming Chen Wheat Stripe Rust in the Pacific Northwest On May 21, I was checking fields in the Palouse region including Whitman County of Washington and Latah County of Idaho. […]
- Stripe Rust Summary 2001
- Stripe Rust Update, June 13, 2002 Dear everyone: Whether wheat stripe rust (Puccinia striiformis f. sp. tritici) will cause problems on barley and barley stripe rust (P. striiformis f. sp. hordei) will cause problems on wheat […]
- Stripe Rust Update, March 25, 2003 Xianming Chen Wheat stripe rust is developing in Texas, Louisiana, California, and western Washington. In Texas, severe stripe rust epidemic is widespread. The major cultivars, especially ‘Coronado’ that is grown […]
- Stripe Rust Update, April 26, 2003 Stripe Rust is Developing on Susceptible Winter Wheat in Franklin County 4/26/03 Xianming Chen I was checking wheat fields for stripe rust in southeastern Washington and northeastern Oregon on April […]
- Stripe Rust Update, May 9, 2003 Xianming Chen On May 8, I was checking fields for stripe rust in Whitman, Garfield, Columbia, Walla Walla, and Adams counties along Highway 26, 127, 12, 395, 260, 17, and […]
- Stripe Rust Update, May 16, 2003 Stripe Rust is Developing on Irrigated Spring Wheat Xianming Chen Since stripe rust was first observed on spring wheat in eastern Washington on May 8, the disease has been developing […]
- Stripe Rust Update, May 30, 2003 Xianming Chen Keynotes in this report: Stripe rust is increasing on winter wheat in the Palouse region. On May 28, highly susceptible winter wheat lines had up to 20% stripe […]
- Stripe Rust Update, June 13, 2003 Time to Watch Closely on Spring Wheat Fields for Stripe Rust and Apply Fungicides Xianming Chen Stripe rust is developing rapidly in susceptible spring wheat fields in eastern Washington. On […]
- Stripe Rust Update, June 25, 2003 Stripe Rust on Volunteer Plants in Winter Wheat Fields Xianming Chen Stripe rust is widely occurring in spring wheat fields planted with susceptible varieties in eastern Washington and Northern Idaho. […]
- Stripe Rust Update, March 12, 2004 Xianming Chen In northwestern Washington, winter wheat crops are in late tillering to early jointing stage. Stripe rust is developing in our rust nurseries in Mt. Vernon and commercial fields […]
- Stripe Rust Update April 14, 2004 Xianming Chen The Pacific Northwest Stripe rust is developing on winter wheat and barley in experimental nurseries in Mt Vernon, Washington and Corvallis, Oregon. Stripe rust also was found in […]
- Stripe Rust Update, May 6, 2004 Stripe Rust Is Developing on Winter Wheat in Central Washington and Northeastern Oregon Xianming Chen Stripe rust started showing up in the last week of April on winter wheat in […]
- Stripe Rust Update, June 3, 2004 Wheat Stripe Rust Is Severe in ‘Hatton’ Fields in Central Washington and Starts Developing in the Palouse Region Xianming Chen With frequent rains/showers in the last three weeks, wheat crops […]
- Stripe Rust Update, June 16, 2004 Stripe Rust Update and Fungicide Application Xianming Chen Wheat stripe rust is now almost everywhere in Washington, western and northeastern Oregon, and northern Idaho with various severity levels. I was […]
- Stripe Rust Update, April 18, 2005 Xianming Chen Wheat stripe rust has been reported in Texas, Louisiana, Arkansas, Oklahoma, Kansas, Alabama, California, Oregon, and Washington. In the first week of April, susceptible entries had severity levels […]
- Stripe Rust Alert, April 21, 2005 Xianming Chen Stripe rust is developing rapidly in the Pacific Northwest Thanks to the good moisture in the past three weeks. The winter wheat crop looks good throughout south central […]
- Stripe Rust Update, May 5, 2005 Xianming Chen Wheat stripe rust is widely present in the Pacific Northwest and is severely damaging susceptible winter wheat crops in the Willamette Valley, Oregon and the Horse Heaven Hill, […]
- Stripe Rust Alert, May 18, 2005 Xianming Chen Wheat stripe rust is almost everywhere in the Pacific Northwest and barley stripe rust starts showing up in eastern Washington. I was checking fields for rust yesterday mainly […]
- Cereal Disease Update, June 17, 2005 Xianming Chen Winter wheat is maturing from northeastern Oregon to central Washington, and ranges from milk to soft dough stages in eastern Washington and northern Idaho. Spring wheat ranges from […]
- Stripe Rust Update, June 23, 2005 Xianming Chen The spring wheat crop, ranging from boot to flowering stage, reaches the critical time for fungicide application. Many fields of spring wheat have already sprayed with fungicides. If […]
- Stripe Rust Update, March 12, 2006
- Stripe Rust Update, April 14, 2006 Rust Update in California, Oregon, and Washington Xianming Chen Dr. McIntosh (from the Plant Breeding Institute, University of Sydney, Australia) and I were checking rusts on wheat, barley, and grasses […]
- Stripe Rust Update, April 23, 2006 Xianming Chen As we were checking wheat fields on April 20, we found stripe rust in Horse Heaven Hills and Walla Walla. In both areas, stripe rust was just starting […]
- Stripe Rust Update, May 17, 2006 Xianming Chen I was checking wheat fields on May 15 and 16 in eastern Washington, northern Idaho, and northeastern Oregon. Winter crops varied from the stem elongation stage to flowering. […]
- Stripe Rust Update, May 31, 2006 Wheat Stripe Rust Starts Developing in the Palouse Region Xianming Chen As I was checking wheat fields in the Palouse region today, winter wheat ranged from early boot to heading […]
- Stripe Rust Update, June 20, 2006 Xianming Chen It is time to check your wheat fields for stripe rust. The pathogen is widespread in eastern Pacific Northwest. By June 16, stripe rust reached 30% of severity […]
- Stripe Rust Alert, April 17, 2007 Xianming Chen Wheat stripe rust is developing in Horse Heaven Hills Today, I was checking wheat fields in the Horse Heaven Hills. Winter wheat crop ranges from stage 4 to […]
- Stripe Rust Update, April 20, 2007 Hello, everyone: When we were driving back from Mt. Vernon after planting spring nurseries on April 20, we checked winter wheat fields along HW 26. We found one leaf with […]
- Stripe Rust Update, May 17, 2007 Xianming Chen I was checking wheat fields and experimental nurseries on May 16 and 17 in Whitman, Garfield, Columbia, Walla Walla, Benton, Franklin, and Adams counties in Washington. Winter wheat […]
- Stripe Rust Update, June 8, 2007 Xianming Chen Yesterday, I was checking wheat fields in the Othello and Lind areas in Adams county and Whitman county. With the recent moist and cool weather conditions, both winter […]
- Stripe Rust Summary, July 13, 2007 Xianming Chen Due to the hot and dry weather conditions in the first two weeks of July, the stripe rust season in most part of the Pacific Northwest is almost […]
- Stripe Rust Update, April 9, 2008 Xianming Chen Stripe rust in eastern Washington Spring is taking baby steps to come to the Pacific Northwest. The Palouse region in eastern Washington, especially the Pullman campus of Washington […]
- Stripe Rust Update, April 30, 2008 Xianming Chen I was checking fields in Central Ferry, Walla Walla, Horse Heaven Hills, and Connell areas yesterday. Stripe rust has become easy to find in the Horse Heaven Hills […]
- Stripe Rust Update, June 4, 2008 Xianming Chen With the frequent precipitations since the middle of May, wheat and barley crops have been growing much better throughout eastern Washington, northeastern Oregon and northern Idaho. Today, I […]
- Stripe Rust Update, June 17, 2008 Xianming Chen The heavy snow in the Palouse region in the morning of June 10 signified the unusually cool weather conditions by then in the Pacific Northwest (PNW). Since then, […]
- Stripe Rust Update, July 2, 2008 Xianming Chen Stripe rust has still taken a slow pace for developing in the Pacific Northwest due to the low temperatures before mid June and the recent dry and hot […]
- Stripe Rust Update, April 17, 2009 Stripe Rust Found in Horse Heaven Hills and Walla Walla 4/17/09 Xianming Chen Yesterday, I was checking wheat fields in the Connell and Horse Heaven Hills areas (south-central Washington). Winter […]
- Stripe Rust Update, May 21, 2009 Update of Stripe Rust and Other Wheat Diseases Xianming Chen I was checking wheat fields in eastern Washington and northeastern Oregon on May 19 and 20. Winter wheat crop in […]
- Stripe Rust Update, June 26, 2009 Xianming Chen The Pacific Northwest (PNW) Wheat Stripe Rust Wheat stripe rust has developed quite rapidly in the Palouse region (Whitman County of Washington and Latah County of Idaho) since […]
- Stripe Rust Update, July 2, 2009 Stripe Rust Is Developing in Spring Wheat Fields Xianming Chen Stripe rust was found in commercial fields of spring wheat in the Dayton area and the Palouse region. Although rust […]
- Stripe Rust Update, March 19, 2010 Xianming Chen No stripe rust found in eastern Washington On March 16, I was checking wheat fields in Walla Walla, Horse Heaven Hills, and Kahlotus areas in eastern Washington and […]
- Stripe Rust Update, April 17, 2010 Xianming Chen Rusts in western Washington We completed the first rust note-taking for the winter nurseries at Mt. Vernon on April 14. Wheat and barley were in mid jointing stage […]
- Stripe Rust Update, April 29, 2010 Xianming Chen Stripe rust starts developing in Walla Walla. Today, I was checking wheat fields in the Connell (Franklin County), Horse Heaven Hills (Benton County), and Walla Walla (Walla Walla […]
- Stripe Rust Update, May 20, 2010 Xianming Chen Stripe rust shows up in the Palouse Region Yesterday, we were checking for stripe rust in the Palouse region (Whitman County, southeastern WA). Winter wheat was in the […]
- Stripe Rust Alert, June 4, 2010 Rust Alert Xianming Chen This is an urgent alert on stripe rust for wheat growers in eastern Washington, eastern Oregon, and northern Idaho. In the past week, there were many […]
- Stripe Rust Update, June 18, 2010 Xianming Chen Stripe Rust of Wheat As winter and spring wheat crops are progressing, fungicide application for control stripe rust on winter wheat crop has almost reached the end and […]
- Stripe Rust Update, July 2, 2010 Xianming Chen Stripe Rust of Wheat With the majority of fields have been sprayed with fungicides, winter wheat crops have reached stages by which fungicides may no longer be applied. […]
- Stripe Rust Update, July 8, 2010 Some Issues Related to Stripe Rust in the PNW 7/8/10 Xianming Chen Currently, there are some issues on stripe rust The rust season has not been over yet. As hot […]
- Stem Rust Update, August 19, 2010 Significant Stem Rust in the Palouse Region Xianming Chen Wheat stem rust occurred again in the Palouse region (Whitman Co. of Washington and Latah Co. of Idaho) this year. As […]
- Stripe Rust Update, February 18, 2011 Stripe Rust Starts Developing in the Pacific Northwest Xianming Chen Stripe rust of wheat has waked up much earlier this year than last year in the Pacific Northwest and may […]
- Stripe Rust Update, April 15, 2011 Xianming Chen Yesterday, I was checking stripe rust in wheat fields in northern Idaho and eastern and central Washington. Only a few spring wheat fields have been planted and some […]
- Stripe Rust Update, May 20, 2011 Xianming Chen We were checking wheat fields yesterday in Latah county, ID and Whitman, Adam, Lincoln, and Grant countries, WA along highways 95, 27, 271, Pine City-Malden, 23, Mohler Rd, […]
- Stripe Rust Update, June 23, 2011 Xianming Chen Wheat stripe rust With the relatively warm weather in the last couple of weeks, stripe rust of wheat has developed fast in most part of the PNW, especially […]
- Stripe Rust Update, January 2, 2012 First Forecast of Stripe Rust for the Pacific Northwest in 2012 Xianming Chen Based on the 2011 December temperatures, stripe rust yield loss on highly susceptible winter wheat cultivars is […]
- Stripe Rust Update, March 5, 2012 Stripe Rust Forecast and Update Xianming Chen Field survey On March 1, I was checking wheat fields in Whitman, Columbia, Walla Walla, Benton, and Franklin counties in Washington, mostly south […]
- Stripe Rust Update, April 4, 2012 Xianming Chen Stripe rust found in eastern Washington and Management Recommendation Yesterday (April 3) was the second nice spring day in much of the eastern Washington and the weather was […]
- Stripe Rust Update, May 23, 2012 Xianming Chen Wheat Stripe Rust in eastern Washington and eastern Oregon Yesterday, I was checking wheat fields in Whitman, Columbia, Walla Walla, Benton, Franklin, and Adams counties of Washington and […]
- Stripe Rust Update, June 8, 2012 Xianming Chen Stripe rust is developing in Washington and northern Idaho Over the past two weeks since the last update on May 23, stripe rust has developed to significant levels […]
- Stripe Rust Update, June 28, 2012
- Stripe Rust Update, July 27, 2012 Xianming Chen Stripe rust on winter wheat The stripe rust season is basically over, but stem rust and leaf rust have become a problem in eastern Washington and northern Idaho. […]
- Stripe Rust Update, January 2, 2013 First Forecast of Stripe Rust for the Pacific Northwest in 2013 Xianming Chen Based on the 2012 December temperatures, stripe rust yield loss on highly susceptible winter wheat cultivars is […]
- Stripe Rust Update, April 4, 2013 Xianming Chen Wheat stripe rust in Washington We were check wheat fields in Whitman, Adams, Lincoln, Franklin, and Benton counties in eastern Washington, along Highways 23 and 21, the border […]
- Stripe Rust Update, May 3, 2013
- Stripe Rust Update, June 27, 2013 Xianming Chen Stripe rust in the Pacific Northwest The large-scale and good amount of precipitation from last week to yesterday in eastern Washington, eastern Oregon, and northern Idaho has stopped […]
- Stripe Rust Update, August 9, 2013 Xianming Chen Rusts in the PNW Wheat stripe rust. As winter wheat crop has been harvesting and spring crop reached dough stage, the rust season is basically over. Stripe rust […]
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- Stripe Rust Update, April 25, 2014 Xianming Chen Eastern PNW On April 23, we were checking wheat fields in Whitman, Garfield, Columbia, Walla Wall, Benton, Franklin, Grant, Douglas, and Lincoln counties in Washington State. Winter wheat […]
- Stripe Rust Update, March 13, 2014 Stripe Rust Forecast and Update Xianming Chen Prediction of potential stripe rust damage for the PNW Using a series of forecast models (Sharma-Poudyal and Chen, Phytopathology 101:544-554, 2011) based on […]
- Stripe Rust Update, January 3, 2014 First Forecast of Stripe Rust for 2014 Wheat Crop Xianming Chen Happy New Year! As we are heading into 2014, you may be wondering how bad stripe rust is going […]
- Stripe Rust Update, May 24, 2013 Xianming Chen Stripe rust in the Palouse region of Washington and Idaho Yesterday, I was checking wheat fields in the Palouse region of Washington and Idaho. Winter wheat ranged from […]
- Stripe Rust Update, March 8, 2013 Stripe Rust Forecast and Update Xianming Chen Field survey in Washington On March 7, we were checking wheat fields in Whitman, Columbia, Walla Walla, Benton, Franklin, and Adams counties in […]
- Stem Rust Update, August 13, 2012 Xianming Chen Stem Rust Update and Recommendations Stem rust survey Stem rust of wheat and barley has been widespread in eastern Washington and northern Idaho (Fig.1 and Fig. 2). The […]
- Stripe Rust Update, April 24, 2012
- Stripe Rust Update, November 4, 2011
- Stripe Rust Update, March 18, 2011
- Stripe Rust Update, November 10, 2010
- Stripe Rust Update, June 8, 2010
- Stripe Rust Update, June 17, 2007
- Stripe Rust Update, April 17, 2009 Stripe Rust Found in Horse Heaven Hills and Walla Walla 4/17/09 Xianming Chen Yesterday, I was checking wheat fields in the Connell and Horse Heaven Hills areas (south-central Washington). Winter […]
- Stripe Rust Update, May 21, 2009 Update of Stripe Rust and Other Wheat Diseases Xianming Chen I was checking wheat fields in eastern Washington and northeastern Oregon on May 19 and 20. Winter wheat crop in […]
- Stripe Rust Update, June 26, 2009 Xianming Chen The Pacific Northwest (PNW) Wheat Stripe Rust Wheat stripe rust has developed quite rapidly in the Palouse region (Whitman County of Washington and Latah County of Idaho) since […]
- Stripe Rust Update, July 2, 2009 Stripe Rust Is Developing in Spring Wheat Fields Xianming Chen Stripe rust was found in commercial fields of spring wheat in the Dayton area and the Palouse region. Although rust […]