<![CDATA[How to Grow Roses - Mahalo]]> http://www.mahalo.com//how-to-grow-roses en-US Tue, 2 Jun 2009 05:54:28 UTC contact@mahalo.com contact@mahalo.com <![CDATA[Canker is a disease caused by a combination of stress and a type of fungi including ''Botryosphaeria, Leptosphaeria, Coniothyrium'' or ''Cryptosporella''.University of Illinois Extension: Disease and Insect Pests of Roses:]]> <![CDATA['''Treatment:''' Prune and destroy any infected canes.West Virginia University Extension Service: Canker of Rose Make sure you disinfect your pruning shears in alcohol after each cut. Fungicides used to treat black spot and powdery m]]> <![CDATA['''Causes:''' Canes are infected through wounds during periods of humid weather.Alabama Cooperative Extension System: Diseases of Roses and Their Control It is common on canes weakened by black spot, poor nutrition or winter inju]]> <![CDATA['''Prevention:''' Preventing injury to your rose bushes during the winter, when pruning or flower cutting, and during cultivating and transplanting is the best way to avoid stem cankers.Clemson Extension: Rose Diseases Also]]>