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Cultural and biological control (Apple Sawfly)

Hygiene Infested fruitlets, or whole trusses, which show signs of damage, can be removed from the tree when seen during larval development. However, this is very labour intensive and unlikely to be economic. Ground herbage Circumstantial evidence suggests …

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Natural enemies (Apple Sawfly)

The ichneumonid parasitic wasp Lathrolestes ensator is an important natural enemy of apple sawfly. The parasite often regulates the pest on unsprayed garden trees where almost cyclical flare-ups of the sawfly are controlled by attacks of the parasite in …

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Biotechnological control (Apple Sawfly)

White non-UV reflective sticky traps can be used to mass trap adults. The higher the density of traps, the greater the effect. However, it has been demonstrated that economic damage cannot be prevented even if very high trap densities (1 per tree) are …

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Further reading (Apple Sawfly)

Cross, J. V. & Jay, C.N. 1998. Effects of fungicides against apple sawfly. Report to APRC 1998, 5pp. Cross, J. V., Solomon, M. G., et al. 1999. Biocontrol of pests of apples and pears in Northern and central Europe. 2. Parasitoids. Biocontrol Science and …

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Apple Sawfly - additional information

Life cycle Pest status Other hosts Varietal susceptibility Distribution Damage Recognition Other pests with which apple sawfly may be confused Monitoring Forecasting Chemical control Insecticide resistance Cultural and biological control Natural enemies …

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Apple Sawfly (hoplocampa testudinea (Klug))

Apple sawfly is a common and important pest of apple. It does not attack pear. Certain desert varieties, notably Discovery and Worcester, are highly susceptible. The life cycle is simple. Adults fly during blossom and lay their eggs singly in the side of …

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Disease status (Blossom wilt)

Blossom wilt is not usually one of the most important diseases of dessert and culinary apples but can be a significant problem on some varieties. The disease is much more prevalent on cider apples where most commercially-grown varieties appear to be …

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Other hosts (Blossom wilt)

Monilinia laxa f.sp. mali is specific to apple. A closely related species, Monilinia laxa , causes blossom wilt and brown rot of stone fruit but very rarely attacks …

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