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Jensen, Sten E.

doi:10.1023/a:1009600426262

Cited by 214 publications

(32 citation statements)

References 64 publications

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“…However, reduced penetration of an insecticide through the insect cuticle is not considered an important resistance mechanism. 37) In this study, PBO and TPP showed an effect on imidacloprid toxicity in the RF 75 strain, with a synergism ratio of 3.49 and 1.85, respectively. Furthermore, the activities of PNOD and CarE were significantly higher in the RF 75 strain than in the SS strain.…”

Section: Discussionmentioning

confidence: 54%

The cross-resistance patterns and biochemical characteristics of an imidacloprid-resistant strain of the cotton aphid

et al. 2015

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The imidacloprid-resistant strain of Aphis gossypii (RF 60 ) was further selected with imidacloprid to establish the more resistant strain (RF 75 ). After the selection for 15 generations, the resistance ratio relative to the susceptible strain increased from 66.60 to 72.60. The RF 75 strain showed different levels of cross-resistance to all the insecticides tested. Synergistic and metabolic enzyme assays suggested that carboxylesterase and cytochrome P450 may play important roles in the imidacloprid resistance. © Pesticide Science Society of Japan

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Section: Discussionmentioning

confidence: 54%

The cross-resistance patterns and biochemical characteristics of an imidacloprid-resistant strain of the cotton aphid

et al. 2015

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“…Their cryptic nature and small size means that they can often remain undetected through quarantine control measures, with their spread having been facilitated by the increase in international plant movement (Kiritani, 2001). A major concern is the rapid development of resistance to conventional chemical pesticides in thrips populations (Jensen, 2000; Bielza et al ., 2007, Bielza, 2008). The problem is expected to increase since many pesticides have been withdrawn in the EU (Directive 2009/128/EC) highlighting the need to develop alternative control methods for this pest species.…”

Section: Introductionmentioning

confidence: 99%

A new attractant for monitoring western flower thrips, Frankliniella occidentalis in protected crops

et al. 2015

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Monitoring of pest populations is an essential component of integrated pest management. An early warning system helps growers decide when best to take control measures, or when to alter them, should a control method prove inadequate. Studies have shown that adding chemical attractants to sticky cards can increase trap catch of western flower thrips, Frankliniella occidentalis, a global pest of agriculture and horticulture, giving more accurate accounts of population size and dynamics, thus leading to more efficient monitoring. We identify a novel semiochemical to the species, (S)-(−)-verbenone, showing that addition of this compound to sticky traps significantly increased F. occidentalis catch in two geographically distinct populations, infesting two unrelated crops of global economic importance. We validate through field trials that (S)-(−)-verbenone is highly attractive to F.occidentalis and can be used with blue sticky traps to enhance trap catch, leading to better estimations of pest population densities. The compound may be used in other control methods against F.occidentalis such as lure and kill, mass trapping and push-pull.Electronic supplementary materialThe online version of this article (doi:10.1186/s40064-015-0864-3) contains supplementary material, which is available to authorized users.

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“…Western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) is a major pest of vegetable production and floriculture in greenhouses and nurseries [2,3]. Due to their cryptic behaviors (eggs laid in plant tissue, pupation occurs in the soil, and feeding on developing tissues) and their resistance to many insecticides, biological control has become increasingly important to successful western flower thrips management programs [2,3,4,5].…”

Section: Introductionmentioning

confidence: 99%

“…Due to their cryptic behaviors (eggs laid in plant tissue, pupation occurs in the soil, and feeding on developing tissues) and their resistance to many insecticides, biological control has become increasingly important to successful western flower thrips management programs [2,3,4,5]. Both entomopathogenic nematodes and D. coriaria are employed to target the soil-dwelling stage of western flower thrips ( i.e., prepupae and pupae).…”

Section: Introductionmentioning

confidence: 99%

Susceptibility of Dalotia coriaria (Kraatz) (Coleoptera: Staphylinidae) to Entomopathogenic Nematodes (Rhabditida: Heterorhabditidae and Steinernematidae)

Tourtois

Grieshop

2015

Insects

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Dalotia coriaria (Kraatz) (Coleoptera: Staphylinidae) and entomopathogenic nematodes (Rhabditida: Heterorhabditidae and Steinernematidae) are two soil-dwelling biological control agents used to manage western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) and fungus gnats Bradysis spp. (Diptera: Sciaridae) in glasshouses. Growers often use multiple natural enemies to achieve economic control, but knowledge of interactions among natural enemies is lacking. We conducted a laboratory bioassay to test the pathogenicity of four commercially available nematode species—Heterorhabditis bacteriophora Poinar (Rhabditida: Heterorhbditidae), Steinernema carpocapsae (Weiser) (Rhabditida: Steinernematidae), S. feltiae (Filipjev), and S. riobrave Cabanillas et al.—to third instar and adult D. coriaria. Third instars were three times more susceptible than the adults to the entomopathogenic nematodes. Mortality for D. coriaria adults and third instars treated with S. feltiae and H. bacteriophora was lower than the mortality for D. coriaria adults and third instars treated with S. carpocapsae and S. riobrave. Neither infective juvenile foraging behavior nor size correlates with D. coriaria mortality. Dalotia coriaria appears to be most likely compatible with applications of S. feltiae and H. bacteriophora.

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Untitled

Cited by 214 publications

References 64 publications

The cross-resistance patterns and biochemical characteristics of an imidacloprid-resistant strain of the cotton aphid

The cross-resistance patterns and biochemical characteristics of an imidacloprid-resistant strain of the cotton aphid

A new attractant for monitoring western flower thrips, Frankliniella occidentalis in protected crops

Susceptibility of Dalotia coriaria (Kraatz) (Coleoptera: Staphylinidae) to Entomopathogenic Nematodes (Rhabditida: Heterorhabditidae and Steinernematidae)

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