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Phalaenopsis (/ ˌ f æ l ɪ ˈ n ɒ p s ɪ s /), also known as moth orchids, [2] is a genus of about seventy species of plants in the family Orchidaceae.Orchids in this genus are monopodial epiphytes or lithophytes with long, coarse roots, short, leafy stems and long-lasting, flat flowers arranged in a flowering stem that often branches near the end.
Phalaenopsis bellina has a fibrous root system, with roots usually emerging near the base of the stem. The root is composed of a spongy outer layer called the velamen , which is responsible for protecting underlying cells from UV rays and physical damage, as well as absorbing water.
Most important to disease management is exclusion because D. dadantii can move through vegetatively propagated tissues asymptomatically. Therefore, it is important to have certified disease-free stock. Some promising biological control research is being done for orchid species. D. dadantii has been studied in commercially valuable Phalaenopsis ...
The following is a list of intergeneric hybrids recognised by the Royal Horticultural Society that includes species of Phalaenopsis as ancestors, as at February 2022: [6]. × Aeridopsis (Aerides × Phalaenopsis)
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.
Phalaenopsis mirabilis is a species of orchid native to Vietnam and Thailand. [1] The specific epithet mirabilis means wonderful, marvelous, or extraordinary. [ 2 ]
California Gov. Gavin Newsom declared a state of emergency Wednesday to combat bird flu, which has spread to more than a quarter of all the state's dairies in the last month and infected 34 state ...
This disease is characterized by purple discolouration in the vascular tissue, which results in the loss of their function. The hyphae and spores block the conductor vessels. Affected plants may superficially appear healthy, as they continue to grow, the oldest parts of the plants can be affected and the disease will eventually progress ...