A W Schaafsma
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Explore the profile of A W Schaafsma including associated specialties, affiliations and a list of published articles.
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Articles
21
Citations
146
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Recent Articles
1.
Hooker D, Schaafsma A, Tamburic-Ilincic L
Plant Dis
. 2019 Mar;
86(6):611-619.
PMID: 30823233
Substantial economic losses have occurred because of unacceptable concentrations of deoxynivalenol (DON) in wheat. Accurate predictions of DON in mature grain at wheat heading are needed to make decisions on...
2.
Zhu X, Reid L, Woldemariam T, Tenuta A, Schaafsma A
Plant Dis
. 2019 Mar;
86(3):327.
PMID: 30818620
During an annual corn disease survey in mid-September 2001, sporadic symptoms typical of gray leaf spot (causal agent Cercospora zeae-maydis Tehon & E.Y. Daniels) (4), consisting of long, narrow, rectangular,...
3.
Schaafsma A, Hooker D, Baute T, Illincic-Tamburic L
Plant Dis
. 2019 Mar;
86(10):1123-1126.
PMID: 30818506
Concentrations of the mycotoxins deoxynivalenol (DON) and fumonisin B in grain were compared among Bt-transformed corn hybrids and their non-Bt isolines on 102 commercial corn fields across Ontario from 1996...
4.
Schaafsma A, Tamburic-Ilincic L
Plant Dis
. 2019 Feb;
89(10):1109-1113.
PMID: 30791280
Fusarium head blight (FHB), caused by Fusarium graminearum, is an important disease of wheat (Triticum aestivum). FHB reduces yield and quality, and the pathogen produces several toxins in the grain,...
5.
Smith J, Baute T, Sebright M, Schaafsma A, DiFonzo C
J Econ Entomol
. 2018 Jun;
111(4):1732-1744.
PMID: 29850890
Western bean cutworm, Striacosta albicosta Smith (Lepidoptera: Noctuidae), is a pest of corn, Zea maize L., and dry edible beans, Phaseolus sp. L., native to the western United States. Following...
6.
Smith J, Lepping M, Rule D, Farhan Y, Schaafsma A
J Econ Entomol
. 2017 Sep;
110(5):2217-2228.
PMID: 28961904
Western bean cutworm, Striacosta albicosta (Smith) (Lepidoptera: Noctuidae), is a pest of corn (Zea mays L.) that has recently expanded its range into Ontario, Canada. Control of S. albicosta damage...
7.
Hitchon A, Smith J, French B, Schaafsma A
J Econ Entomol
. 2015 Oct;
108(4):1986-93.
PMID: 26470344
Western corn rootworm, Diabrotica virgifera virgifera LeConte, is a major pest of corn, Zea mays L. The effect of the Bt proteins Cry34/35Ab1 and Cry3Bb1, alone or pyramided in corn...
8.
Renkema J, DiFonzo C, Smith J, Schaafsma A
J Econ Entomol
. 2015 Oct;
108(2):566-75.
PMID: 26470167
A critical density of four third-instar larvae per 900 cm2 for European chafer, Rhizotrogus (Amphimallon) majalis (Razoumowsky), in winter wheat, Triticum aestivum L., was derived from small-plot greenhouse and field...
9.
Bahlai C, SIKKEMA S, Hallett R, Newman J, Schaafsma A
Environ Entomol
. 2010 Feb;
39(1):50-6.
PMID: 20146839
Soybean aphid (Aphis glycines Matsumura) is a severe pest of soybean in central North America. Outbreaks of the aphid in Ontario are often spotty in distribution, with some geographical areas...
10.
Xue Y, Bahlai C, Frewin A, Sears M, Schaafsma A, Hallett R
Environ Entomol
. 2009 Jun;
38(3):708-14.
PMID: 19508779
Coccinella septempunctata L. and Harmonia axyridis Pallas are key natural enemies of soybean aphid, Aphis glycines Matsumura, in North America. Third instars, adult females, and adult males of both C....