The production of cannabis in greenhouses is faced with challenges from various diseases, many of which are similar to those already found on other horticultural crops, such as tomatoes, cucumbers and peppers.Fusarium and Pythxum species cause root and crown rots which result in wilting and, in some instances, death of the plants. Powdery mildew is common on cannabis plants and develops rapidly under suitable environmental conditions. Destructive diseases which affect the flower clusters (buds) are caused by Botrytis cinerea and Fusarium species. Molds that develop after harvest can reduce quality and product acceptance.
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