Early-Season Aerial Adult Colonization and Ground Activity of Pea Leaf Weevil (Coleoptera: Curculionidae) in Pea as Influenced by Tillage System

Hanavan, Ryan P.; Bosque‐Pérez, Nilsa A.; Schotzko, D. J.; Guy, Stephen O.; Eigenbrode, Sanford D.

doi:10.1603/0022-0493(2008)101[1606:eaacag]2.0.co;2

Cited by 4 publications

(27 citation statements)

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“…(2008, 2010), who detected lower PLW population densities in NT than CT during the colonization period. The lower feeding damage in pea in NT compared to CT during the early season (June) is also consistent with the pattern reported by Hanavan et al. (2008), although the methods (linear‐meter vs. visual‐counts per plot) and the study years differed between the two studies.…”

Section: Discussionsupporting

confidence: 86%

“…This suggests that differences in pitfall catches were due to differences in weevil abundance rather than activity, although mark‐recapture experiments would have to be performed in the same year as the pitfall study to confirm this. Moreover, linear‐meter row sampling at Kambitsch detected significantly fewer PLW in NT than in CT, which is consistent with Hanavan et al. (2008, 2010), who detected lower PLW population densities in NT than CT during the colonization period.…”

Section: Discussionsupporting

confidence: 83%

“…Conversion to NT can affect pests, pathogens, and beneficial organisms in various ways. In this paper, we examine the effects of NT on the pea leaf weevil (PLW), Sitona lineatus L. (Coleoptera: Curculionidae), a pest of legumes including pea [ Pisum sativum L. (Fabaceae)] in both Europe and the Inland Pacific Northwest of the USA (Jackson, 1920; Schotzko & O’Keeffe, 1988; Williams et al., 1995; Hanavan et al., 2008). Spring pea is an important pulse crop in the cereal‐legume rotation on the Palouse, with approximately 20% of the acreage planted at any given time to pea or lentil [ Lens culinaris Medikus (Fabaceae)] (Papendick, 1996).…”

Section: Introductionmentioning

confidence: 99%

“…The abundance of PLW and the damage it causes are influenced by tillage regime in pea (Williams et al., 1995; Hanavan et al., 2008). Hanavan et al.…”

Section: Introductionmentioning

confidence: 99%

“…PLW feeding damage to pea was greater in CT than in NT during this colonization period. These differences may result from the lag in crop development in NT as compared with CT that potentially disrupts the synchrony between early season PLW colonization and feeding activity on pea (Schotzko & Quisenberry, 1999; Hanavan et al., 2008). During the typical PLW migration period, the pea crop in CT tends to be more developed than in NT and thus might be more attractive for colonization by these insects.…”

Section: Introductionmentioning

confidence: 99%

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Tillage affects the activity‐density, absolute density, and feeding damage of the pea leaf weevil in spring pea

Hatten

Dahlquist

Eigenbrode

et al. 2010

Entomologia Exp Applicata

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Conversion from conventional‐tillage (CT) to no‐tillage (NT) agriculture can affect pests and beneficial organisms in various ways. NT has been shown to reduce the relative abundance and feeding damage of pea leaf weevil (PLW), Sitona lineatus L. (Coleoptera: Curculionidae) in spring pea, especially during the early‐season colonization period in the Palouse region of northwest Idaho. Pitfall traps were used to quantify tillage effects on activity‐density of PLW in field experiments conducted during 2001 and 2002. As capture rate of pitfall traps for PLW might be influenced by effects of tillage treatment, two mark‐recapture studies were employed to compare trapping rates in NT and CT spring pea during 2003. Also in 2003, direct sampling was used to estimate PLW densities during the colonization period, and to assess PLW feeding damage on pea. PLW activity‐density was significantly lower in NT relative to CT during the early colonization period (May) of 2001 and 2002, and during the late colonization period (June) of 2002. Activity‐density was not different between treatments during the early emergence (July) or late emergence (August) periods in either year of the study. Trap capture rates did not differ between tillage systems in the mark‐recapture studies, suggesting that pitfall trapping provided unbiased estimates of PLW relative abundances. PLW absolute densities and feeding damage were significantly lower in NT than in CT. These results indicate that NT provides a pest suppression benefit in spring pea.

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Section: Discussionsupporting

confidence: 86%

Section: Discussionsupporting

confidence: 83%

Section: Introductionmentioning

confidence: 99%

“…The abundance of PLW and the damage it causes are influenced by tillage regime in pea (Williams et al., 1995; Hanavan et al., 2008). Hanavan et al.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tillage affects the activity‐density, absolute density, and feeding damage of the pea leaf weevil in spring pea

Hatten

Dahlquist

Eigenbrode

et al. 2010

Entomologia Exp Applicata

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Effects of tillage practices on pea leaf weevil (Sitona lineatus L., Coleoptera: Curculionidae) biology and crop damage: A farm-scale study in the US Pacific Northwest

Hanavan

Bosque‐Pérez

2012

Bull. Entomol. Res.

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The pea leaf weevil, Sitona lineatus L., is periodically a significant pest of pea, Pisum sativum L., in the Palouse region of northern Idaho and eastern Washington, USA. Previous on-station research demonstrated significantly greater adult pea leaf weevil colonization, immature survival, adult emergence and plant damage in conventional-tillage compared to no-tillage plots of pea. In experiments conducted during the 2006 and 2007 growing seasons, aerial and ground adult pea leaf weevil colonization of large-scale commercial pea fields under different tillage regimes in northern Idaho and eastern Washington was examined for the first time. Initial pea leaf weevil feeding damage, immature weevil densities and subsequent adult emergence from the fields were also assessed. During both years, significantly more adult pea leaf weevils were captured in conventional-tillage than in no-tillage fields during the crop establishment period in May. No-tillage soils remained wet longer in the spring and could not be planted by growers until later than conventional-tillage fields. Pea planted under conventional-tillage emerged earlier and had significantly greater feeding damage by the pea leaf weevil than no-tillage pea. Significantly, greater immature pea leaf weevil densities and subsequent adult emergence were observed in conventional-tillage than in no-tillage pea fields. Delayed development of root nodules in the cooler, moister conditions of no-tillage pea fields likely resulted in escape from attack and injury during the critical growth stages that ultimately influence yield. Results indicate that large-scale commercial no-tillage pea fields are less suitable for colonization and survival of the pea leaf weevil and suffer less weevil damage than fields under conventional tillage.

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Influence of no‐tillage practices and later planting date on the pea leaf weevil, Sitona lineatus, in pea, Pisum sativum

Hanavan

Bosque‐Pérez

2016

Entomologia Exp Applicata

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The pea leaf weevil, Sitona lineatus (L.) (Coleoptera: Curculionidae), is a periodic pest of pea, Pisum sativum L. (Fabaceae), in the Palouse region of northern Idaho and eastern Washington, USA. Previous work on‐station and in commercial pea fields showed initial adult weevil colonization was greater in conventional‐tillage than in no‐tillage fields. Increased surface residue of no‐tillage systems results in cooler soils with greater available moisture typically resulting in later planting dates for conventional‐tillage fields. Cereal residue, a characteristic of the region's no‐tillage systems, and planting date were investigated as potential inhibitors of adult pea leaf weevil colonization and feeding on peas via field experiments in 2005 and 2006. Plots without cereal residue and early‐planted plots had greater weevil abundance. Early‐planted peas had greater weevil feeding injury compared to late‐planted peas. The presence of cereal residue did not significantly impact injury levels. A laboratory choice‐test with peas grown in conventional‐tillage and no‐tillage fields indicated greater adult weevil feeding damage on conventional‐tillage‐grown peas. A separate laboratory choice‐test using peas planted 10 days apart demonstrated greater adult weevil feeding injury on early‐planted peas. However, adjusting for available leaf edge resulted in no differences between treatments in either choice test, indicating crop availability and plant apparency during peak weevil colonization rather than plant factors resulting from growing conditions likely explain greater injury on peas planted early and under conventional‐tillage in the field.

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Early-Season Aerial Adult Colonization and Ground Activity of Pea Leaf Weevil (Coleoptera: Curculionidae) in Pea as Influenced by Tillage System

Cited by 4 publications

References 27 publications

Tillage affects the activity‐density, absolute density, and feeding damage of the pea leaf weevil in spring pea

Tillage affects the activity‐density, absolute density, and feeding damage of the pea leaf weevil in spring pea

Effects of tillage practices on pea leaf weevil (Sitona lineatus L., Coleoptera: Curculionidae) biology and crop damage: A farm-scale study in the US Pacific Northwest

Influence of no‐tillage practices and later planting date on the pea leaf weevil, Sitona lineatus, in pea, Pisum sativum

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