There is one generation per year. Apple sucker overwinters in the egg stage. The eggs are straw coloured and are found on the bark mainly on the fruit spurs generally along leaf scars. Egg hatch begins in late March or April at bud-burst of Cox and …
Apple sucker was once a serious pest of apple but nowadays it is well controlled by insecticides, except in organic orchards and in some cider …
There are considerable differences in the susceptibility of varieties. Lord Lambourne and some cider varieties are highly susceptible. …
Eggs 0.4 mm long, elongate oval and creamish yellow. Found on the bark of young branches and shoots, mainly around spurs and leaf buds (very similar to pear sucker eggs). Nymphs Apple green with red eyes, body flattened, broad and ovate, with conspicuous …
The presence of large numbers of overwintering eggs round the spurs will warn that an attack by apple sucker is likely. Levels of apple sucker should be assessed as part of the normal pre-blossom pest assessment at the green cluster growth stage (see …
Forecasting methods for apple sucker have not been developed. …
A spray of an approved insecticide should be applied if damaging infestations occur in spring. The synthetic pyrethroid insecticide deltamethrin (Decis Forte) is recommended for control of suckers on apple, but the use of this class of insecticide should …
Apple sucker has not developed resistance to insecticides. However, pear sucker has developed resistance to a wide range of insecticides including carbamate, pyrethroid and insect growth regulator …
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