Apple sucker is most troublesome in older orchards and on certain varieties. Avoiding these circumstances will reduce the problem. It is possible that reducing the nitrogen status of apple trees will lead to a reduction in apple sucker problems. This …
Natural enemies, especially predatory flower bugs (anthocorids), should be fostered by avoiding the use of broad-spectrum insecticides Predatory bugs are the most important natural enemies of apple and pear sucker. Predatory flower bugs (anthocorids) are …
Biological control approaches have not been developed for apple sucker. …
Jonnsson, N. 1983. The life history of Psylla mali Schmidberger (Hom., Psyllidae); and its relationship to the development of the apple blossom. Fauna Norvegica B, 30: 1, …
Life cycle Pest status Other hosts Varietal susceptibility Distribution Recognition Monitoring Forecasting Chemical control Insecticide resistance Cultural control Natural enemies Biological control Further …
Apple sucker is generally a minor pest of modern desert and culinary apple orchards where it is controlled well by insecticide spray programmes. It is troublesome in unsprayed orchards, especially in organic orchards and on older trees. It is an important …
Mussel scale has one generation per year. Eggs are laid in the autumn and are deposited by the female under the scale shell before she dies. Eggs hatch in late May or early June and the first stage nymphs, known as crawlers, disperse over the tree during …
Mussel scale A minor but common pest of apple and sometimes pear. Other scale insects Oyster scales, pear scale and nut scale are also minor pests of fruit trees in the UK but occur less frequently than mussel scale. The San José scale is a destructive …
Mussel scale Occurs on many other woody host plants. Fruit crop hosts include apple, pear, cherry, plum, bilberry and less frequently currant and gooseberry. Other hosts include blackthorn, cotoneaster, hawthorn, heath, heather and many others. …
All the commonly grown apple varieties are susceptible to mussel scale. …
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