Rose Pests and Diseases

Pests and Diseases Affecting Roses

Rose Pests and Diseases Roses, like other plants, are liable to be attacked by pests and diseases. The new-comer to rose-growing soon comes to accept this unfortunate truth. He also learns that the damage that can be caused by insects and disease organisms can be lessened considerably if he inspects his plants regularly, learns to recognize danger signals early, and takes prompt action; and that only buds from healthy plants should be used for propagation.

Much research has been devoted to the problems of plant pests and diseases, and at least some of the results of that research can be used effectively by the amateur gardener. Two important general points should be made about various proprietary products available for controlling pests and diseases. First, these products have been carefully formulated to do a specific job, so always make a point of reading carefully the manufacturers’ instructions for their use and following these instructions to the letter. Second, many of the chemicals used in such products are poisonous. Take great care to keep them out of the reach of young children and animals and, as a matter of routine, wear rubber gloves when using them.

Insecticides should be used in moderation. Over-use is not only a waste of money: it may be counter-productive by enabling pests to develop resistance to the poisons. In general, a spray in mid-May followed by another in mid-June will usually be an adequate preventive treatment. A ‘clearing-up’ application of spray in September may also be beneficial.

 

11. March 2011 by Dave Pinkney
Categories: Pests and Diseases, Rose Care, Roses | Tags: | Comments Off on Rose Pests and Diseases

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