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Black rot on orchids is caused by Pythium and Phytophthora species. [1] Black rot targets a variety of orchids but Cattleya orchids are especially susceptible. [1] Pythium ultimum and Phytophthora cactorum are known to cause black rot in orchids. [1] Pythium ultimum is a pathogen that causes damping-off and root rot on plants. [2]
Give your orchid a boost by spritzing its leaves with a mixture of 2 tablespoons of Epsom salts to a gallon of water. “The magnesium and calcium work together to enhance the production of ...
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 ]
Ansellia is considered a monotypic genus of orchid, with only one species, Ansellia africana, commonly known as African ansellia or leopard orchid, however, it may in fact be a complex group of species which share common floral structure and growth habit. The plants are found throughout tropical and subtropical Africa.
Why Orchid Blooms Fall Off Too Soon. Orchid blooms drop off eventually from natural causes, of course, but if the flowers are falling off prematurely, there may be a problem. 1. Sudden Temperature ...
However, I was able to keep my orchid alive for over two years using the ice cube method of watering. It entailed putting two large ice cubes, give or take, once a week into the pot. Similarly, I ...
The English name 'common spotted' refers to the species' abundance and the spots on its leaves. The French and German common names also honour Leonhart Fuchs. This plant belongs to a problematic group of orchids. D. maculata subsp. fuchsii is very variable in flower colour and flower morphology, plant height and the scent of flowers.
Dactylorhiza maculata, known as the heath spotted-orchid [2] or moorland spotted orchid, is an herbaceous perennial plant of the family Orchidaceae. It is widespread in mountainous regions across much of Europe from Portugal and Iceland east to Russia. It is also found in Algeria, Morocco, and western Siberia. [1] [3]