Decrease in Insecticide Resistance in the Diamondback Moth, Plutella xylostella L. : (Lepidoptera : Yponomeutidae) on Release from Selection Pressure

Noppun, Virapong; Miyata, Tadashi; Saitô, Tetsuo

doi:10.1303/aez.19.531

Cited by 15 publications

(8 citation statements)

References 6 publications

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“…Several types of chemical insecticides have been widely used to control pests in vegetable fields, e. g., Abamectin, Tebufenozide, Dichlorvos, Cartap and Lambda‐cyhalothrin ( Noppun et al., 1984; Caetano et al., 1987; Idris and Grafius , 1993; Consoli et al., 1998; Wyman et al., 1999). These chemicals are effective in controlling the pests, but at the same time, they destroy the population balance between the pests and their predators ( Talekar and Shelton , 1993).…”

Section: Introductionmentioning

confidence: 99%

Investigations on side‐effects of the mixed biocide GCSC‐BtA on different predators of Plutella xylostella (L.) (Lep., Plutellidae) in southeastern China

Liu

Şengonça²

2002

Anz Schadlingskd

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The present paper deals with laboratory studies on side‐effects of the mixed biocide GCSC‐BtA on Plutella xylostella (L.) (Lep., Plutellidae) and its predators, e. g. Amblyseius longispinosus (Evans) (Acari, Phytoseiidae), Erigonidium graminicola (Sundvall) (Araneae, Linyphiidae), Orius similis Zheng (Het., Anthocoridae) and Coccinella septempunctata L.(Col., Coccinellidae), in comparison to the commercial insecticides, e. g. Abamectin, Tebufenozide, Dichlorvos, Cartap and Lambda‐cyhalothrin.  The results showed that GCSC‐BtA was highly toxic to the 3rd instar of P. xylostella with 91.18 % mortality, followed by Cartap with 84.38 %, Abamectin with 78.00 %, Tebufenozide with 75.57 %, Lambda‐cyhalothrin with 63.75 % and Dichlorvos with 50.86 % mortality. On the other hand, GCSC‐BtA was found to be comparatively less toxic to the predators, causing 31.11 %, 13.33 %, 11.54 % and 6.00 % mortalities in A. longispinosus, E. graminicola, O. similis and C. septempunctata, respectively. For comparison, the mortalities recorded for Abamectin, Tebufenozide, Dichlorvos, Cartap, Lambda‐cyhalothrin were 72.94 %, 55.55 %, 70.00 %, 53.26 % and 98.85 % in A. longispinosus, 46.51 %, 55.10 %, 60.00 %, 46.00 % and 73.68 % in E. graminicola, 22.00 %, 16.00 %, 35.71 %, 26.78 % and 81.03 % in O. similis, 15.55 %, 19.64 %, 28.00 %, 16.66 % and 41.79 % in C. septempunctata, respectively.  Cluster analysis was introduced to group the mortalities caused by the treatments into three toxicity groups with the distance of D = 4.1. The 1st group consisted of GCSC‐BtA characterized with low toxicity to all the predators tested with 15.49 % mortality on average (highest 31.11 % and lowest 6.00 %). The 2nd group consisted of Abamectin, Tebufenozide, Dichlorvos and Cartap with moderate toxicity to the predators with 39.96 % mortality on average. The 3rd group included Lambda‐cyhalothrin with high toxicity to the predators with 73.83 % mortality on average (highest 98.85 % and lowest 41.70 %). The susceptibility of the pest and its predators to GCSC‐BtA and the insecticides is discussed. GCSC‐BtA as a biological control agent is recommended for use in the integrated pests control programs in the vegetable fields.

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Section: Introductionmentioning

confidence: 99%

Investigations on side‐effects of the mixed biocide GCSC‐BtA on different predators of Plutella xylostella (L.) (Lep., Plutellidae) in southeastern China

Liu

Şengonça²

2002

Anz Schadlingskd

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“…kim et al, (1991), found that there were no differences in the concentration-mortality relationship between f1 progenies of P. xylostella of the susceptible and fenvalerate-selected strains reciprocal crosses, indicating the absence of sex-linked inheritance. Noppun et al, (1984) detected high levels of resistance to phenthoate, prothiophos, and cyanophenphos, and moderate level to acephate, methomyl, and cartap when tested after 12 months and 5 months of laboratory rearing, respectively. Inheritance of resistance to phenthoate in P. xylostella was derived by more than one gene, incomplete dominant genes and no sex linkage.…”

Section: Resultsmentioning

confidence: 94%

Dominant Inheritance of Plutella xylostella selected with Flufenoxuron

Diab

2015

Egyptian Academic Journal of Biological Sciences. A, Entomology

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Dominance study was a petition needs to measure insecticide resistance problems to a notorious pest as Plutella xylostella and for IRM strategy planning success. Flufenoxuron insecticide was chosen for doing a laboratory selected strain for some resistance assessments. Studies on cross resistance of flufenoxuron resistant strains revealed a slight tolerance to lambdacyhalothrin, alphacypermethrin, thiocyclam and chlorfenapyr but no cross resistance to dimethoate, imidacloprid. Resistance stablility examined in both the flufenoxuron selected strain and the backcross selected x susceptible in the absence of exposure to insecticides, results revealed that the mortality were declined slowly at F3, F5 and F7. Results of reciprocal crossing experiments suggested that flufenoxuron resistance was inherited as an incomplete recessive trait. Values of the degree of dominance were estimated-0.63 and-0.66 for F1 larvae with resistant and susceptible female parents, respectively. Results of bioassays on F1 progeny of the backcrossed with the resistant parent strain and the F2 generations suggested that resistance autosomaly inherited and might be controlled by some loci. Analysis of probit lines from F1 reciprocal crosses indicated that resistance to flufenoxuron was inherited autosomaly as an incompletely recessive and probit lines showed no plateau at 50% mortality (probit = 4.0) and 3.4 for F2 at 25-75% mortality. The x 2 analysis of response ratio statistics of a monogenic model from F1 susceptible back crosses suggested that more than one locus is responsible for resistance to flufenoxuron.

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“…It may cause underestimations for the evolutionary responses of resistance. It is reported that the resistant population of this insect shows rather rapid decline of the phenthoate resistance after ceasing artificial selection for resistance (Noppun et al, 1984). This is accounted for by negative genetic correlations between phenthoate resistance and some fitness characters.…”

Section: Resultsmentioning

confidence: 93%

“…lishing the OKR strain (Noppun etaL, 1983). This strain was found to have decreased in insecticide resistance by the summer of 1983 (Noppun et aL, 1984). About three hundred adults were collected from a cabbage field in Osaka Prefecture in 1969 and have been kept in laboratory as a susceptible strain (Noppun et aL, 1983).…”

Section: Introductionmentioning

confidence: 99%

Heritability estimates of phenthoate resistance in the diamond‐back moth

Tanaka

Noppun

1989

Entomologia Exp Applicata

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Realized heritabilities were estimated for the character of phenthoate resistance in two local strains of the diamond‐back moth, Plutella xylostella L. (Lepidoptera: Yponomeutidae), by performing artificial laboratory selection for resistance and susceptibility to phenthoate. Heritability estimates indicated that such traits are moderately heritable (ĥ2 = 0.42 and 0.41 in the resistant selection and ĥ2 = 0.31 and 0.21 in the susceptible selection), and give an experimental basis accounting for rapid evolutionary changes of phenthoate resistance observed in field populations of this insect. The observed changes in variances of phenthoate susceptibility are discussed in relation to the additive genetic variance eliminated by directional selection. The explanation stresses the importance on the underlying genetic system. Résumé Calcul de l'héritabilité de la résistance de Plutella xylostella au phenthoate L'héritabilité de la résistance au phenthoate obtenue chez deux souches locales de P. xylostella L. (Lep.; Yponomeutidae) a été calculée en procédant au laboratoire à des sélections artificielles pour la résistance et pour la sensibilité à cet insecticide. Les calculs de l'héritabilité ont montré que de tels caractères sont moyennement héritables (ĥ2 = 0,42 et 0,41 lors de la sélection pour la résistance, et ĥ2 = 0,31 et 0,21 lors de la sélection pour la sensibilité), et ont fourni la base expérimentale rendant compte des changements évolutifs rapides observés pour la résistance au phenthoate chez des populations naturelles de cet insecte. Les changements observés de la variance de la sensibilité au phenthoate sont discutés en fonction de la variance génétique additive éliminée par la sélection orientée. L'explication insiste sur l'importance du système génétique souligné.

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Decrease in Insecticide Resistance in the Diamondback Moth, Plutella xylostella L. : (Lepidoptera : Yponomeutidae) on Release from Selection Pressure

Cited by 15 publications

References 6 publications

Investigations on side‐effects of the mixed biocide GCSC‐BtA on different predators of Plutella xylostella (L.) (Lep., Plutellidae) in southeastern China

Investigations on side‐effects of the mixed biocide GCSC‐BtA on different predators of Plutella xylostella (L.) (Lep., Plutellidae) in southeastern China

Dominant Inheritance of Plutella xylostella selected with Flufenoxuron

Heritability estimates of phenthoate resistance in the diamond‐back moth

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