Blight Canker of Apple Trees (Classic Reprint)

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Excerpt from Blight Canker of Apple Trees Another source of infection was found to be the pruning knife. Along one side of an orchard of about 350 trees which was under observation thruout the season, it was early noticed that the pruned stubs, of 1904 especially, showed the collars of dead bark often two or three inches in width (fig. Instead of forming a callus and healing over the wound, as would normally occur, the tissue had died and shriveled up but still clung to the stub. In most cases the bacteria which had caused ...

Blight Canker of Apple Trees (Classic Reprint) 2016, Forgotten Books

ISBN-13: 9781334410369

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