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Causes of Lily Disease Epidemics and Integrated Control Techniques
I. Symptoms: They appear on leaves, stems and bulbs. When leaves are infected, leaf blight results. At first the leaf tip turns brown, with a length of 1-2 mm, then gradually worsens, and the lesion expands into a nearly triangular shape, becomes thinner, and takes on a dried-up appearance with cloud-like patterns on it. Lesions are generally 17-28 mm long and 5-8 mm wide; the largest lesion is 56 mm long and 12 mm wide. Eventually the leaf dies. Some also occur at the leaf margin as semi-elliptical brown lesions, which can also cause leaf death. Ground