Evaluation of Green Peach Aphid Activity and the Occurence of Beet Western Yellows Virus in Sugarbeet Fields

Tamaki, George; Fox, Lee; Featherston, Paul E.

doi:10.5274/jsbr.20.6.578

Cited by 3 publications

(6 citation statements)

References 3 publications

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“…This crop is very susceptible to several virus diseases, some of them transmitted by aphid vectors in a non‐persistent (BMV), semi‐persistent (BYV) or persistent (BWYV) manner. These three viruses are commonly found in California (T amaki et al., 1979) and in Spain ( Perez de San Roman et al., 1991). Myzus persicae overwinters on many secondary herbaceous hosts in many parts of the world.…”

Section: Discussionmentioning

confidence: 99%

Development and reproduction of Myzus persicae and Aphis fabae (Hom., Aphididae) on selected weed species surrounding sugar beet fields

Fernández‐Quintanilla

Fereres

Godfrey

et al. 2002

J Applied Entomology

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Myzus persicae (Sulzer) and Aphis fabae (Scop.) are two major aphid species colonizing sugar beet. They have a very wide host range adapting to a large number of plant families and species. A series of cage experiments, conducted under ‘winter’ and ‘summer’ growth chamber conditions, showed that both species have the potential to use winter and summer weeds that are usually present in the vicinity of and within sugar beet fields as secondary hosts. Among all the weeds tested, Veronica hederifolia L. and Solanum nigrum L. were the most suitable for M. persicae. Although Brassica kaber (DC.) Wheeler was the weed species associated to the highest reproduction rate of this aphid, V. hederifolia showed a higher intrinsic rate of population increase due to the shorter prereproductive period of the aphid. Amsynckia intermedia Fish. and Mey and Amaranthus retroflexus L. were the most suitable weed hosts for A. fabae.

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Section: Discussionmentioning

confidence: 99%

Development and reproduction of Myzus persicae and Aphis fabae (Hom., Aphididae) on selected weed species surrounding sugar beet fields

Fernández‐Quintanilla

Fereres

Godfrey

et al. 2002

J Applied Entomology

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“…The earliest spring flight occurred in the warmest spring and the latest in the coolest. In an earlier report (12), the spring flight of the GPA was about 2 weeks later near Yakima, WA, than at Prosser in these studies. Yakima, located about 50 miles northwest of Prosser at the foot of the Cascades, has a distinctly cooler climate.…”

Section: Discussionmentioning

confidence: 44%

“…Aphids retain the ability to transmit for life, but the virus is not passed transovarily to offspring produced either viviparously or oviparously. Green peach aphid (GPA) (Myzus persicae [Sulzer]) is the major vector of PLRV worldwide and has been established as the major vector in the Columbia Basin of the Northwestern United States (12). Beet western yellows virus (BWYV) is related to PLRV, and its interactions with the GPA are similar, if not identical, to those of PLRV (18).…”

mentioning

confidence: 99%

“…The basic biology of the GPA in the Columbia Basin is known (9,12). It normally overwinters there in the egg stage on peach trees (Prunus persica L.), but it may occasionally overwinter in the apterous stage in restricted microclimates at the edge of warm water springs (17).…”

mentioning

confidence: 99%

“…A fall flight from summer hosts begins in September. It distributes aphids and virus to fall-planted crops (12,14) and returns aphids to the overwintering peach host (17). Although aphids returning to peach in the fall may carry PLRV, those that emerge from eggs on peach in the spring are free of PLRV.…”

mentioning

confidence: 99%

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Role of Green Peach Aphid Flights in the Epidemiology of Potato Leaf Roll Disease in the Columbia Basin

Thomas

Pike

Reed³

1997

Plant Disease

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Three distinct and highly predictable green peach aphid (GPA) (Myzus persicae) flights that occur seasonally in the spring, summer, and fall were detected at a southern, central, and northern location in the Columbia Basin of the Northwestern United States. Intensity and timing of the flights was approximately the same at the three locations. Timing and number of alatae captured in the spring and summer flights was associated with heat unit accumulation. The spring flight, which originates on the overwintering peach tree host, colonized but did not introduce potato leafroll virus (PLRV) into virus-free potato plots. The summer flight, which originates from volunteer potatoes and spring herbs originally colonized by the spring flight, did introduce PLRV into virus-free potatoes. The fall flight was too late to affect potato production. When plots contained a point source of PLRV, the virus spread rapidly in a plant-to-plant mode to all plants in plots after aphids arrived in the spring. Rate of spread from point sources of infection was not affected by timing or intensity of the spring flight, but timing of virus spread in the plots depended on time of arrival of the aphids. Once PLRV was introduced to virus-free plots by the summer flight, virus spread to other plants within the plots. GPA overwintered on peach trees. Although GPA apterae and alatae were present on winter annual weed and crop hosts in the fall, none survived winters on these species. In addition to the GPA, one other vector of PLRV, Macrosiphum euphorbiae, was rarely collected in aphid traps. These results suggest that chemical control of aphids could be delayed until mid-July if PLRV-free potato seed were available.

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Incidence and Effects of Beet Western Yellows Virus in Western Oregon Sugarbeet Seed Crops

Hampton¹,

Keller²,

Burt³

1999

JSBR

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A 1986 to 1995 survey of beet western yellows luteovirus (BWYV) in western Oregon crop and weed species demonstrated that BWYV was endemic in at least 30 plant species. Because sugarbeet-seed crops (Beta vulgaris L.) were sometimes perceived as the primary western Oregon source of BWYV inoculum, we sought to examine all components ofthe inoculum reservoir. The array of BWYV hosts in western Oregon provided a year-round supply of BWYV inoculum comprising three interactive sub-res ervoirs: (a) widespread annual, winter annual, and perennial weeds, (b) BWYV-susceptible vegetable crops, including garden beet, lettuce, spinach, Swiss chard, and turnip, and (c) sugarbeet seed crops. We defined zones of high and low BWYV incidence in sugarbeet-seed fields within western Oregon, and monitored incidence of BWYV in a common weed species, Brassica campestris L. (field mustard). We demonstrated abrupt varia tions in BWYV incidence in sugarbeet-seed plantings in the vi cinity of Corvallis near the Willamette River. BWYV incidence in sugarbeet-seed fields increased in localities where sugarbeet seed crops were grown successively. Although marked differ ences in seed yields were observed, no reduction in sugarbeet seed yield was attributable to BWYV infection.

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Evaluation of Green Peach Aphid Activity and the Occurence of Beet Western Yellows Virus in Sugarbeet Fields

Cited by 3 publications

References 3 publications

Development and reproduction of Myzus persicae and Aphis fabae (Hom., Aphididae) on selected weed species surrounding sugar beet fields

Development and reproduction of Myzus persicae and Aphis fabae (Hom., Aphididae) on selected weed species surrounding sugar beet fields

Role of Green Peach Aphid Flights in the Epidemiology of Potato Leaf Roll Disease in the Columbia Basin

Incidence and Effects of Beet Western Yellows Virus in Western Oregon Sugarbeet Seed Crops

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