1.5. Seed Dressing against Wheat Bulb Fly in Yorkshire.

Dixon, G. M.

doi:10.1111/j.1365-3059.1967.tb02571.x

Cited by 2 publications

(5 citation statements)

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“…Fonofos gave promising resultssimilar to those reported by Catling & Cook (1967), Dixon (1967), Maskell (1967) andde Clercq (1978). Pirimiphos-ethyl gave results comparable to those reported by McKinlay (1977).…”

Section: Insecticide Performancesupporting

confidence: 82%

“…In our trials ethion, fonofos and athidathion were only slightly less effective than chlorfenvinphos. Ethion has been tested on several occasions with similar results to ours (Cessac & Guillot, 1967;Cole & Soper, 1967;Dixon, 1967;Griffiths, 1968;Maskell, 1970;, 1973Dixon & Rogerson, 1972).…”

Section: Insecticide Performancesupporting

confidence: 56%

“…Such transient phytotoxic effects of chlorfenvinphos seed treatment upon wheat have been observed by several workers (e.g. Maskell, 1967Maskell, , 1970Dixon, 1967;Heath, 1967; Griffiths et al, 1975;Griffiths, 1978;Scott, 1981). More serious effects upon plant density were reported by Griffiths et al (1976) and by McKinlay (1977, 1981b).…”

Section: Phytotoxic Efsectsmentioning

confidence: 60%

“…The superiority of chlorfenvinphos over other OP insecticides has been noted by several workers (eg. Heath, 1967;Dixon, 1967;Maskell, 1970;Griffiths et al, 1974;Oakley, 1977;Scott, 1981). Carbophenothion, the other OP insecticide commercially available in England as a seed treatment for wheat bulb fly control, was tested at Sites 2, 4 and 12 only and gave reasonable results, similar to those reported by , 1973 and by Griffiths et al (1976).…”

Section: Insecticide Performancementioning

confidence: 99%

“…In the past twenty years, attention has turned to organophosphates, carbamates and synthetic pyrethroids as substitutes for the organochlorines for wheat bulb fly control and the results of many screening tests done in eastern counties of England have been published (Bevan, 1965;Brown & Maskell, 1965;Catling, 1967;Catling & Cook, 1967;Cole & Soper, 1967;Dixon, 1967;Dixon & Rogerson, 1972;Griffiths, 1968;Griffiths et al, , 1974Griffiths et al, , 1975Griffiths et al, , 1976Griffiths, Lord & Scott, 1970;Griffiths, Scott, Maskell & Roberts, 1969;Makepeace, , 1967Maskell, 1967Maskell, , 1970, 1969Scott, 1981). Similar trials elsewhere in the United Kingdom have been reported by McKinlay (1977,1979,1981~, b) and on the European mainland by Toldaev (1969), Wetzel & Ramson (1974) and de Clercq (1978).…”

Section: Introductionmentioning

confidence: 99%

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Chemical control of wheat bulb fly (Delia coarctata) attacking winter wheat in Eastern England, 1969–1981

Maskell¹,

Gair²

1986

Annals of Applied Biology

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SUMMARY Dry powder, liquid and microencapsulated formulations of organophosphate and synthetic pyrethroid insecticidal seed treatments were tested as possible alternatives to the standard organochlorine seed treatments for autumn‐sown wheat in mineral and organic soils heavily infested with wheat bulb fly eggs and (subsequently) larvae. Retention of insecticides on the seed coat varied from 40% to 120% of the target dose; it was usually good when microencapsulated formulations were used. Chlorfenvinphos, fonofos, isofenphos and triazophos, each applied at 2‐0 g a.i./kg seed, were phytotoxic, the symptoms varying from a slight delaying effect upon germination to an adverse effect upon grain yield. Chlorfenvinphos at 0–2 to 2‐0 g a.i./kg seed was consistently effective against wheat bulb fly larvae in both mineral and organic soils. Athidathion 0–8 g a.i./kg, carbophenothion 1–2 g a.i./kg, ethion 1–7 g a.i./kg and fonofos (microencapsulated formulations) at 1‐0 or 2‐0 g a.i./kg were also effective in mineral and organic soils. Of the synthetic pyrethroids tested as seed treatments, permethrin gave excellent results in mineral soils at 1‐0 g a.i./kg or in synergised formulations at 0–12 or 0–24 g a.i./kg but was disappointing in organic soils. In a single comparison of seed treatments applied to wheat sown early (14 October) and late (20 November), chlorfenvinphos was effective at both sowing dates whereas athidathion, ethion and pirimiphos‐ethyl gave better results in late‐sown wheat. A single trial compared deep with shallow sowing of treated seed. Most insecticides performed better on shallow‐sown wheat, but chlorfenvinphos was equally effective against the pest at both sowing depths. Most insecticides restricted the numbers of larvae entering host plants but had little or no subsequent effect upon larval survival within attacked shoots. Fonofos and isofenphos, and to a lesser extent chlorfenvinphos, seed treatments additionally killed many larvae within plant shoots.

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Section: Insecticide Performancesupporting

confidence: 82%

Section: Insecticide Performancesupporting

confidence: 56%

Section: Phytotoxic Efsectsmentioning

confidence: 60%

Section: Insecticide Performancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chemical control of wheat bulb fly (Delia coarctata) attacking winter wheat in Eastern England, 1969–1981

Maskell¹,

Gair²

1986

Annals of Applied Biology

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Chemical Control of Wireworms in Winter Wheat in the East Midlands, 1966–68

Golightly¹,

Mathias²,

Roberts³

1969

Plant Pathology

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SUMMARY Two trials were laid down with organochlorine seed dressings (gamma‐BHC, aldrin and dieldrin) and one spray application (aldrin) as standards. Various organophosphorus seed dressings and granules (applied broadcast before drilling or combine‐drilled) were also used. All treatments yielded significantly better than the controls in both trials except chlorfenvinphos, ‘Dursban’ and N2790, the first being significantly lower in the 1966–67 trial at the five per cent level and almost so in 1967–68. Parathion granules proved particularly effective, comparable to the best organochlorine, with the broadcast slightly better than the combine‐drilled treatment. Trichloronate and N2790 gave lower yields than parathion, but those from the latter were reduced by waterlogging. Phytotoxicity resulted in a poor establishment with the ‘Dursban’ formulation as did the liquid dressing of chlorfenvinphos in the 1967–68 trial, although this was not so apparent in the earlier trial with the 2 oz per bushel (2 g/kg) powder dressing. Ethion did not delay germination and, whilst it appeared to show activity during the autumn feeding phase, there was evidence that it, and chlorfenvinphos, afforded little protection later in the season.

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1.5. Seed Dressing against Wheat Bulb Fly in Yorkshire.

Cited by 2 publications

References 0 publications

Chemical control of wheat bulb fly (Delia coarctata) attacking winter wheat in Eastern England, 1969–1981

Chemical control of wheat bulb fly (Delia coarctata) attacking winter wheat in Eastern England, 1969–1981

Chemical Control of Wireworms in Winter Wheat in the East Midlands, 1966–68

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