Cultural Problems
Pesticide spiromesifen (Judo) injury on ivy geranium
Leaf twisting, distortion, chlorosis and spotting (seen here on ivy geranium) can be caused by improper use of the pesticide Judo. These plants are growing out of the injury and new growth is normal. Judo is an insecticide and miticide labeled for mites and whiteflies. It is currently being used by growers to manage Q-strain biotype whiteflies on poinsettias. According to the Judo Technical Bulletin, Judo is not recommended for use on geraniums and other spring crops and tropical foliage plants. For details on preventing injury and for a list of crops, follow label directions and see the company's technical bulletin (PDF).
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