Ap­ply­ing sticky bar­ri­ers to fruit trees

Amateur Gardening - - Your Gardening Week -

IF you want a good tree fruit har­vest next year, now is the time to start pro­tect­ing your plums, cher­ries, pears and ap­ples.

No­vem­ber is the key time to at­tach grease bands or bar­rier glue to tree trunks to pre­vent an in­fes­ta­tion of win­ter moth cater­pil­lars next spring.

Th­ese bar­ri­ers are an ex­cel­lent or­ganic so­lu­tion to codling, plum, mot­tled um­ber and win­ter moths, which are species that have wing­less fe­males that emerge from chrysalids in the soil, crawl up the trunks, mate and lay their eggs.

The re­sults are dam­aged leaves and blos­som, as signs of at­tack start show­ing in spring, fol­lowed by mag­goty fruit. The in­sects also tar­get many or­na­men­tal trees in­clud­ing oak, sy­camore, dog­woods, roses and horn­beams. Us­ing widely avail­able grease bands or trunk paint stops the wing­less fe­males in their tracks and hugely re­duces the need for pes­ti­cides. Keep the sticky sur­faces clean through win­ter, reap­ply­ing if nec­es­sary. With any luck, wild birds will also help you out next spring by feed­ing moths and cater­pil­lars to their nestlings.

Paint on a sticky strip of glue

Glue strips are also easy to ap­ply

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