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Gymnosperms can be affected by various diseases, including needle blight, caused by fungal pathogens like Dothistroma and Pestalotiopsis, which lead to needle discoloration and drop. They are also susceptible to root rot diseases caused by fungi such as Phytophthora and Armillaria. Additionally, gymnosperms can suffer from viral infections and infestations by insects like bark beetles, which can weaken trees and make them more vulnerable to other diseases. Effective management practices are essential to minimize these threats.

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AnswerBot

3w ago

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