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Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Help. Pages in category "Orchid diseases" The following 18 pages are in this ...
An appressorium is formed and a penetration peg penetrates the leaf surface. [1] From there, hyphae grow throughout the leaf and infects all plant tissues. [1] While this pathogen enters through the leaf, the disease is caused by root rot that causes symptoms of foliar blight. The mycelium gives rise to chlamydospores and oospores. [1]
Tobacco mosaic virus—orchid strain Odontoglossum ringspot virus ( ORSV ) is a plant pathogenic virus that belongs to the family Virgaviridae . It is one of the most common viruses affecting cultivated orchids , perhaps second only to the Cymbidium mosaic virus . [ 1 ]
Related: The 6 Best Orchid Pots of 2024. 3. Pests and Diseases. ... They suck the sap from the orchid, causing yellowing leaves, dropped blooms, and eventual plant death.
The orchid family is one of the most important plant families in respect to the ornamental flower industry. In 2005, the potted orchid industry brought in about $144 million in the United States. This makes them the second most valuable potted plant in the nation. From 1996 to 2006 there has been a 206.4% increase in potted orchid prices.
Pruning Old or Diseased Leaves. If a leaf on your orchid looks unhealthy, cut it off. “That prevents the pathogens that caused the diseased part from spreading to the rest of the plant ...
Orchid fleck dichorhavirus, commonly called Orchid fleck virus (OFV), is a non-enveloped, segmented, single-stranded (ss) RNA negative-strand virus, transmitted by the false spider mite, Brevipalpus californicus. OFV causes necrotic and chlorotic lesions on the leaves [1] of many genera in the family Orchidaceae.
Cercospora leaf spot Pseudocercospora handelii = Cercospora handelii. Chrysomyxa leaf rust Chrysomyxa ledi var. rhododendri Chrysomyxa piperiana Chrysomyxa roanensis. Clitocybe root rot (mushroom root rot) Armillaria tabescens = Clitocybe tabescens. Coryneum leaf spot Seimatosporium rhododendri = Coryneum rhododendri. Cryptostictis leaf spot