Add Yahoo as a preferred source to see more of our stories on Google. This week, Tom advises a reader whose apple and pears trees have been plagued by leaf curl year after year - Alamy We have two ...

Curls can be cute on a person’s hair, on poodles, sheep, and, of course, on a pig’s tail. But they’re not so cute on trees or plants. 99.9% of us have seen leaf curl on citrus trees. Disturbing as ...