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How to Prevent and Treat Southern Blight in Orchids? A Full Analysis of Practical Methods
Orchid southern blight is caused by fungi of the subphylum Deuteromycotina. Infection begins in April to May, with the peak incidence period from June to August. The disease develops rapidly, causing the affected orchid plants to rot, wither and die. The control measures are as follows: 1. Planting: New soil free of pathogens should be selected for planting orchids. When using old soil, it must be disinfected with formaldehyde solution; in...
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