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Plant Diseases/black sticky substance on cycad


Steve wrote at 2014-12-13 05:37:03
The black sticky gel may be a sign of stress and overwatering the plant.  I have seen this on my cycads when transplanted and if they get excessively wet such after heavy rains.    Make sure that you do not overwater these plants!

Plant Diseases

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Dr Stephen Vann


Plant Diseases and Disorders of Lawn Grasses, Trees, Vegetables,and Ornamentals


Plant Diseases Identification and Management

B.S. Botany --- Miss. State Univ. M.S. Plant Pathology --- Miss. State Univ. Ph.D. Plant Pathology --- Texas A & M Univ.

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