Identification of the Wheat Curl Mite as the Vector of the High Plains Virus of Corn and Wheat

Seifers, D. L.; Harvey, T. L.; Martin, Taylor; Jensen, S. G.

doi:10.1094/pdis.1997.81.10.1161

Cited by 123 publications

(85 citation statements)

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“…The WCM also transmits wheat streak mosaic virus (WSMV; 19). Some plants of both wheat and corn have been found to be doubly infected (4,8,17,18). Our observations indicate that the epidemiology of HPV may be similar to WSMV because of their mutual association with the WCM vector.…”

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confidence: 59%

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Mixed Infection of Hard Red Winter Wheat with High Plains Virus and Wheat Streak Mosaic Virus from Wheat Curl Mites in Nebraska

1998

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A new disease of wheat and corn caused by the High Plains virus (HPV) has been observed in the High Plains region of western United States. HPV is transmitted by the wheat curl mite, Aceria tosichella, which is also the vector of wheat streak mosaic virus (WSMV). In the field it is extremely difficult to visually differentiate plants infected with WSMV from those with HPV. An indirect protein-A sandwich enzyme-linked immunosorbent assay (PAS-ELISA) and Western blot analysis were used to identify WSMV and HPV. Samples of wheat curl mites were collected from arbitrarily chosen sites from commercial wheat plantings in 1995 and 1996 and used to infest caged wheat plants. After 3 weeks, leaf samples were harvested and assayed. Both Western blot analysis and PAS-ELISA were effective at identifying samples positive for WSMV and HPV, both alone and in mixed infections. Western blot results showed that over the 2 years, 65% of the samples were positive for WSMV, 46% were positive for HPV, and mixed infections were found in 40% of the samples. HPV presence was verified with similar results from field collected plant samples. These levels of virus indicate an unexpectedly high incidence of HPV in wheat curl mite populations in Nebraska.

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confidence: 59%

“…It was first identified in Nebraska in corn in 1994 (9,11). Currently, wheat, corn, and barley have been identified as crops that can be systemically infected by HPV (18). HPV has an associated 32 kDa protein which is probably a nucleoprotein rather than capsid protein (10,12).…”

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confidence: 99%

Mixed Infection of Hard Red Winter Wheat with High Plains Virus and Wheat Streak Mosaic Virus from Wheat Curl Mites in Nebraska

1998

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“…They include Wheat streak mosaic virus (WSMV; 17), High Plains virus (HPV; 6), Barley yellow dwarf virus (14), Wheat spindle streak mosaic virus (24); Wheat soilborne mosaic virus (9), and Triticum mosaic virus (TriMV;20). TriMV was discovered in 2006 in Kansas and subsequently shown to be transmitted by the wheat curl mite (WCM; Aceria tosichella Keifer) (19), which also transmits WSMV and HPV (16,21,23).…”

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confidence: 99%

“…WSMV and HPV, the two viruses known to be transmitted by WCMs before TriMV's discovery, are widespread in the Great Plains (8,16). Recent studies have shown that co-infection of wheat with WSMV and TriMV results in synergism that increases symptom severity, elevates titers of both viruses (26), and exacerbates biomass and yield loss (2,28).…”

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confidence: 99%

Occurrence and Distribution of Triticum mosaic virus in the Central Great Plains

et al. 2013

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Wheat curl mite (WCM)-transmitted viruses—namely, Wheat streak mosaic virus (WSMV), Triticum mosaic virus (TriMV), and the High Plains virus (HPV)—are three of the wheat-infecting viruses in the central Great Plains of the United States. TriMV is newly discovered and its prevalence and incidence are largely unknown. Field surveys were carried out in Colorado, Kansas, Nebraska, and South Dakota in spring and fall 2010 and 2011 to determine TriMV prevalence and incidence and the frequency of TriMV co-infection with WSMV or HPV in winter wheat. WSMV was the most prevalent and was detected in 83% of 185 season–counties (= s-counties), 73% of 420 season–fields (= s-fields), and 35% of 12,973 samples. TriMV was detected in 32, 6, and 6% of s-counties, s-fields, and samples, respectively. HPV was detected in 34, 15, and 4% of s-counties, s-fields, and samples, respectively. TriMV was detected in all four states. In all, 91% of TriMV-positive samples were co-infected with WSMV, whereas WSMV and HPV were mainly detected as single infections. The results from this study indicate that TriMV occurs in winter wheat predominantly as a double infection with WSMV, which will complicate breeding for resistance to WCM-transmitted viruses.

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“…This mite also vectors two other viruses in wheat in the Great Plains: Wheat mosaic virus (WMoV), also known as High Plains virus, a tentative member of the genus Emaravirus (Seifers et al 1997;Tatineni et al 2014); and Triticum mosaic virus (TriMV; Poacevirus, Potyviridae) (Seifers et al 2009;Tatineni et al 2009). These three wheat viruses are widely spread across the Great Plains; however, WSMV has been shown to be the predominant virus in this complex (Burrows et al 2008;Byamukama et al 2013).…”

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confidence: 99%

Differential Transmission of Two Isolates ofWheat streak mosaic virusby Five Wheat Curl Mite Populations

Wosula¹,

McMechan²,

Oliveira-Hofman³

et al. 2016

Plant Disease

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Wheat streak mosaic virus (WSMV), type member of the genus Tritimovirus in the family Potyviridae, is an economically important virus causing annual average yield losses of approximately 2 to 3% in winter wheat across the Great Plains. The wheat curl mite (WCM), Aceria tosichella, transmits WSMV along with two other viruses found throughout the Great Plains of the United States. Two common genotypes of WSMV (Sidney 81 and Type) in the United States share 97.6% nucleotide sequence identity but their transmission relationships with the WCM are unknown. The objective of this study was to determine transmission of these two isolates of WSMV by five WCM populations (‘Nebraska’, ‘Montana’, ‘South Dakota’, ‘Type 1’, and ‘Type 2’). Nonviruliferous mites from each population were reared on wheat source plants mechanically inoculated with either Sidney 81 or Type WSMV isolates. For each source plant, individual mites were transferred to 10 separate test plants and virus transmission was determined by a double-antibody sandwich enzyme-linked immunosorbent assay. Source plants were replicated nine times for each treatment (90 individual mite transfers). Results indicate that three mite populations transmitted Sidney 81 at higher rates compared with Type. Two mite populations (Nebraska and Type 2) transmitted Sidney 81 and Type at higher rates compared with the other three populations. Results from this study demonstrate that interactions between virus isolates and mite populations influence the epidemiology of WSMV.

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Identification of the Wheat Curl Mite as the Vector of the High Plains Virus of Corn and Wheat

Cited by 123 publications

References 10 publications

Mixed Infection of Hard Red Winter Wheat with High Plains Virus and Wheat Streak Mosaic Virus from Wheat Curl Mites in Nebraska

Mixed Infection of Hard Red Winter Wheat with High Plains Virus and Wheat Streak Mosaic Virus from Wheat Curl Mites in Nebraska

Occurrence and Distribution of Triticum mosaic virus in the Central Great Plains

Differential Transmission of Two Isolates ofWheat streak mosaic virusby Five Wheat Curl Mite Populations

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