2016
DOI: 10.2134/agronj2015.0298
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Abstract: The wheat stem sawfly (WSS) (Cephus cinctus; Hymenoptera: Cephidae) is a destructive insect pest of spring, winter (Triticum aestivum L.), and durum wheat (Triticum turgidum L. var. durum) in North America. Sawfly larvae hatch from eggs deposited inside the stem, and their subsequent feeding damages vascular tissue, reducing photosynthetic capacity and grain yields. Growing solid‐stemmed wheat cultivars that develop pith in the culm lumen is the most effective method to minimize yield losses. Recent work has f… Show more

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Cited by 16 publications
(22 citation statements)
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“…Yield Within the range of SRs used, grain yield increased with increasing SR, which is consistent with Nilsen et al (2016) and Beres et al (2011). Figure 1 shows that yield response to plant density was more linear rather than the quadratic response cited by (Pan et al, 1994).…”
Section: Discussionsupporting
confidence: 67%
See 1 more Smart Citation
“…Yield Within the range of SRs used, grain yield increased with increasing SR, which is consistent with Nilsen et al (2016) and Beres et al (2011). Figure 1 shows that yield response to plant density was more linear rather than the quadratic response cited by (Pan et al, 1994).…”
Section: Discussionsupporting
confidence: 67%
“…S1 and Table S2). These findings and results reported from recent reports (Beres et al, 2011;Nilsen et al, 2016) are an indication that the yield potential of modern durum cultivars can only be achieved if higher sowing densities are used compared to the lower SR practices of earlier eras.…”
Section: Discussionsupporting
confidence: 60%
“…Producers in the past have been reluctant to adopt solid-stemmed wheat as there was a perceived yield penalty when growing solid-stemmed wheat and a concern that increased wear on harvesting equipment occurs when threshing solid stems (B. Buckman, personal communication). Beres et al (2009Beres et al ( , 2007 and Nilsen et al (2016) demonstrated that solid-stemmed common and durum wheat can be agronomically superior to hollow-stemmed wheat, particularly in the presence of sawfly pressure. Lillian , the latest solid-stemmed cultivar, has occupied up to one-third of the wheat hectares in Saskatchewan and 20% of the prairie-wide wheat hectares (Anonymous 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Lillian , the latest solid-stemmed cultivar, has occupied up to one-third of the wheat hectares in Saskatchewan and 20% of the prairie-wide wheat hectares (Anonymous 2010). However, the inconsistent pith expression, first noted with the release of Rescue, has been observed with Lillian (Nilsen et al 2016). Given the extensive hectares planted to solid-stemmed wheat during an elevated WSS threat, a model that can accurately predict pith expression could serve as a vital quality assurance tool to prevent losses by alerting producers if in-season precipitation patterns have caused less than ideal pith expression in a solid-stemmed cultivar.…”
Section: Introductionmentioning
confidence: 99%
“…Sawfly larvae hatch from eggs deposited inside the stem, and their subsequent feeding damages vascular tissue, reducing photosynthetic capacity and grain yields [135], and expression of solid pith provides reduction in stem cutting [134,136].…”
Section: Identification Of Constraints To Durum Wheat Productionmentioning
confidence: 99%