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What causes black spots on Plumeria leaves during propagation?
Description: Black spots on Plumeria leaves during propagation may result from fungal or bacterial infections due to excessive moisture. Causes: 1. Excessive moisture: Overwatering or high humidity can create conditions favorable for fungal and bacterial growth. 2. Fungal or bacterial infections: Pathogens can infect the leaves and cause black spots under prolonged wet conditions. Solutions: Read more