What are the common pest and disease control methods for orchids?

Orchid scale insects.

Control method: spray with 800 times diluted Xin Gao Zhi Mo (new high-fat film) combined with 1000 times diluted dichlorvos emulsifiable concentrate.

When whiteflies cause damage.

Control method: spray with 600 times diluted Xin Gao Zhi Mo (new high-fat film) combined with 2000 times diluted deltamethrin.

Orchid roots have a sweet taste and easily attract ants.

Control method: use meat bones to lure and eliminate them.

Flowers are prone to anthracnose fungus and black spot fungus.

Control method: after disease occurs, promptly remove and burn diseased leaves, spray the whole garden with Hu Shu Jiang Jun (tree protection general) for sterilization and disinfection, and widen the spacing between pots and plants to improve ventilation and light conditions. Reduce water spraying and control humidity.