Field evidence for resistance to certain insecticides by green peach-potato aphid in South Auckland

Fellowes, R. W.; Ferguson, A. M.

doi:10.1080/03015521.1974.10427675

Cited by 4 publications

(3 citation statements)

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“…The development of insecticide resistance by an insect pest can cause severe disruption to crop protection and production. Evidence of aphid resistance to insecticides in potatoes has been previously documented (Cameron & Walker 1988;Fellowes & Fergusson 1994;Martin et al 2005) and recent research has detected resistance mechanisms in Myzus persicae clones collected from potatoes throughout New Zealand. van Toor et al (2005) found that between late summer and early autumn of 2005, 66% of the clones contained at least one mechanism of resistance to four of the five insecticide groups used on potatoes (organophosphates, carbamates, synthetic pyrethroids and neonicotinoids).…”

Section: Spray Diaries: 2003-04 Seasonmentioning

confidence: 91%

“…Insecticide resistance to aphids on potatoes has already been documented in New Zealand. Fellowes & Fergusson (1994) considered that insecticide resistance was responsible for control failure of M. persicae in field trials in potatoes. Insecticide resistance was confirmed in M. persicae to selected organophosphates, carbamates and pyrethroids through laboratory studies (Cameron & Walker 1988).…”

Section: Introductionmentioning

confidence: 99%

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Insecticide practice for aphid control in potatoes

Toor

Teulon²

2006

NZPP

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Insecticide use for aphid control in potatoes by mainly Canterbury growers was assessed by a New Zealandwide postal survey in 200102 and by examination of spray diaries from Canterbury (11 seed and 13 process growers) in 200304 Only 22 (16 growers) of seed and 4 (12 growers) of fresh potato growers responded to the postal survey with Canterbury growers making up 93 of the respondents Overall results indicate that most seed crops received a single seed/tuber treatment as well as approximately five foliar applications Most process crops (200304 only) were seed/tuber treated with 0 or 1 foliar applications For fresh crops (200102 only) 59 were seed/tuber treated and 14 had 2 or 6 foliar applications Seed/tuber treatments were mostly imidacloprid but also phorate Foliar applications included organophosphate carbamate synthetic pyrethroid and pyridineazomethine insecticides Insecticide use patterns are discussed in relation to the effectiveness of aphid/virus control and the risk of insecticide resistance

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Section: Spray Diaries: 2003-04 Seasonmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Insecticide practice for aphid control in potatoes

Toor

Teulon²

2006

NZPP

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“…Resistance of M . persicae to these materials has been recorded from a number ofcountries (Baranyovits and Muir 1969, Fellowes and Ferguson 1974, Devonshire and Needham 1975 and was suspected in Australia.Samples of M . persicae on peaches were received from Yanco and Bathurst (BI and B2), New South Wales; Cobram, Victoria; and on potatoes from Atherton, Queensland.…”

mentioning

confidence: 98%

MYZUS PERSICAE (SULZER): STRAINS RESISTANT TO DEMETON‐SMETHYL AND DIMETHOATE IN AUSTRALIA

Hamilton¹,

Attia²

1978

Australian Journal of Entomology

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Five strains of Myzuspersicae (Sulzer) were collected from peaches and potatoes in New South Wales, Victoria and Queensland in 1976/77. In four strains resistance to demeton-S-methyl ranged from 14-to 18-fold and to dimethoate from 17-to 50-fold. The fifth strain showed a low order of resistance to demeton-Smethyl and dimethoate of 4-and 3.4-fold respectively.The green peach aphid, Myzuspersicae (Sulzer). is a major pest causing direct damage to peaches and nectarines and is a vector ofvirus diseases in potatoes, crucifers and other crops (van Emden el al. 1969). In Australia this species is controlled principally by organophosphate insecticides such as demeton-S-methyl and dimethoate. Resistance of M . persicae to these materials has been recorded from a number ofcountries (Baranyovits and Muir 1969, Fellowes and Ferguson 1974, Devonshire and Needham 1975 and was suspected in Australia.Samples of M . persicae on peaches were received from Yanco and Bathurst (BI and B2), New South Wales; Cobram, Victoria; and on potatoes from Atherton, Queensland. A laboratory strain from Rydalmere, which had not received insecticide applications, was used as a reference strain. The aphids were reared on potted cabbage plants, in a mass culture laboratory under natural light and 25 f 4°C. Apterous virginoparous adults were used for testing. Technical demeton-S-methyl and dimethoate were dissolved in ethyl methyl ketone and 0.04 microlitre of solution was applied topically to each aphid, using the method of Needham and Devonshire (1973). Three replicates of 20 aphids were treated at each offive concentrations of insecticide. The treated aphids were then placed on seedling cabbage leaves, whose stems were inserted into moist foam, in petri dish basescovered with a semi-permeablecellulosefilm. They were held at 26 & 2°C in a 14 h lighti10 h dark cycle and mortalities were recorded after 48 h. The dosage-mortality data were analysed by the probit method (Finney 1952).The results ( Table) showed that resistance to demeton-S-methyl was similar in four strains but low in the Bathurst (B2) strain. Resistance to dimethoate varied, Cobram and Atherton being higher than Yanco and Bathurst (BI), while Bathurst (B2) was again o f a low order. The results are similar to those obtained by Sudderuddin (1973) and Devonshire and Needham (1974) who also recorded moderate levels of resistance to demeton-S-methyl and higher levels to dimethoate.

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