Effect of growth stage on the relationship between tan spot and spot blotch severity and yield in winter wheat

Wegulo, Stephen N.; Breathnach, Julie A.; Baenziger, P. Stephen

doi:10.1016/j.cropro.2009.04.003

Cited by 58 publications

(38 citation statements)

References 26 publications

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“…tritici) (Baenziger et al, 2001). Hence, confounding effects from these diseases were minimized (Wegulo et al, 2009). Standard agronomic practices for wheat production were followed at each location.…”

Section: Field Experimentsmentioning

confidence: 99%

“…Millennium and measuring at least 2 ha in size. To generate different levels of disease intensity (Wegulo et al, 2009), five fungicides were each applied at GS 31 (first node on the stem detectable), GS 37 (flag leaf just visible) or GS 31 and GS 37 (Table 1). The fungicides were azoxystrobin (active ingredient comprising 7.0% of marketed product) + propiconazole (11.7%) (Quilt, Syngenta Crop Protection, Greensboro, NC), pyraclostrobin (23.6%) (Headline, BASF Ag Products, Research Triangle Park, NC), propiconazole (41.8%) (Tilt, Syngenta Crop Protection, Greensboro, NC), azoxystrobin (22.9%) (Quadris, Syngenta Crop Protection, Greensboro, NC) and trifloxystrobin (11.4%) + propiconazole (11.4%) (Stratego, Bayer CropScience, Research Triangle Park, NC).…”

Section: Field Experimentsmentioning

confidence: 99%

“…In 2007, field experiments were conducted as described in Wegulo et al (2009). Briefly, seed of winter wheat cv.…”

Section: Field Experimentsmentioning

confidence: 99%

“…Wegulo et al (2009) showed that up to 42% yield loss was prevented by applying foliar fungicides to winter wheat in Nebraska. In Kansas, Kelley (2001) found that over a period of six years, the fungicide propiconazole significantly increased winter wheat yield 77% of the time.…”

mentioning

confidence: 99%

“…tritici Erikss.). Significant yield losses have been reported to be caused by these and other diseases worldwide (Rees et al, 1982;Bockus et al, 2001;Duveiller et al, 2007;Wegulo et al, 2009).…”

mentioning

confidence: 99%

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Economic returns from fungicide application to control foliar fungal diseases in winter wheat

et al. 2011

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Section: Field Experimentsmentioning

confidence: 99%

Section: Field Experimentsmentioning

confidence: 99%

“…In 2007, field experiments were conducted as described in Wegulo et al (2009). Briefly, seed of winter wheat cv.…”

Section: Field Experimentsmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Economic returns from fungicide application to control foliar fungal diseases in winter wheat

et al. 2011

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Yield to the data: some perspective on crop productivity and pesticides

Washuck

Hanson

Prosser

2022

Pest Management Science

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The scientific consensus is that pesticide use maximizes crop yields in the face of pest and disease pressures. Often, the debate then becomes a “so what” question (e.g., a percent or two increase in yield is inconsequential, so why use pesticides at all?). We set out to help give technical and lay audiences an objective and quantitative sense of what it means for pesticides to protect crop yields from two perspectives: (i) the number of additional hectares required to produce the same amount of food without the use of pesticides; and (ii) increased calorie production and people fed. Using available seeding and yield data for Canada and United States from 2015 to 2019 for common field crops, a user‐friendly interface was developed that allows for the coarse calculation of land preserved and caloric increases for specific scenarios (e.g., jurisdiction, crop, percent yield increase). We found that land preserved would range from 145 883 to 11 590 255 ha and the number of adults fed would range from 1 333 814 to 100 016 319 depending on the crop and the country. Our hope is that this simple tool will provide a fuller sense of what changes in crop yields mean, and their implications for environmental protection and food security. © 2022 Society of Chemical Industry.

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