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Orchid Pest and Disease Control Methods and Key Technical Points
I. Anthracnose. This disease is the most common disease of orchids, mainly affecting the leaves. In the later stages, black dots appear on the lesions, eventually causing the diseased leaves to wither and turn yellow. The disease occurs frequently from May to June, during the plum rain season, or in years with abundant autumn rain or frequent typhoons from September to October....
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What are the common pest and disease control methods for Dendrobium orchids?
1. Diseases: (1) Soft rot: also known as bacterial brown spot, it mostly infects from the rhizome, but can also occur on leaves. It starts as small water-soaked dark green spots, which gradually expand into brown, softened, rotting lesions. A secretion oozes from the rotting area and is accompanied by a foul odor. The pathogen can spread through watering. High temperature and high humidity favor the development of the disease,...
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A Detailed Explanation of the Causes and Control Methods of Orchid Two-Rot Disease
Two-rot means soft rot and stem rot. Soft rot starts rotting from the new shoot, while stem rot starts rotting from the old shoot. In my personal opinion, there is no essential difference between soft rot and stem rot. The difference lies in the fact that a plant with stem rot is beyond saving, while a plant with soft rot sometimes does not suffer total wipeout, but this is only the surface appearance. The occurrence of stem rot comes down to a few causes. One: the plant itself...
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What are the pest and disease control methods for the dragon bone flower?
As an affordable and attractive flower, the dragon bone flower (Euphorbia tirucalli) is hugely popular, and leaving it indoors for long periods also helps clean the air. Many plants are accompanied by diseases and pests, so if the dragon bone flower runs into these problems, how should they be dealt with?
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