A canker is the result of repeated frustrated attempts on, the part of the callus to heal up a wound.
The seriousness of the damage done is illustrated by the ravages of the larch disease, apple canker, &c.
Fruit suffers much from the larvae of the Geometridae, the socalled "looper-larvae" or " canker-worms."
In the Attic deme Melita he was invoked as 6W /caws (" Helper in ills "), at Olympia as KaXAlvcrcos (" Nobly-victorious "), in the rustic worship of the Oetaeans as eopvoiricov (K6pv01rEs, " locusts "), by the Erythraeans of Ionia as tlrotcrdvos (" Canker-worm-slayer ").
The larch suffers from several diseases caused by fungi; the most important is the larch-canker caused by the parasitism of Peziza Willkommii.
The effects of badly-executed pruning, or rather hacking, are most noticeable in the case of forest trees, the mutilation of which often results in rotting, canker and other diseases.
A thoroughly healthy, well-balanced, harmonious nature, accepting life as it came, with all its joys and sorrows, and living it beautifully and hopefully, without canker and without uncharity.
To me, away there in my bean-field at the other end of the town, the big guns sounded as if a puffball had burst; and when there was a military turnout of which I was ignorant, I have sometimes had a vague sense all the day of some sort of itching and disease in the horizon, as if some eruption would break out there soon, either scarlatina or canker-rash, until at length some more favorable puff of wind, making haste over the fields and up the Wayland road, brought me information of the "trainers."