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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]
It is one of the most common viruses affecting cultivated orchids, perhaps second only to the Cymbidium mosaic virus. [1] It causes spots on leaves and colored streaks on flowers. [1] If a plant is also infected with the Cymbidium mosaic virus, it can lead to a condition called blossom brown necrotic streak. [1]
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.
Find out why your orchid flowers are falling off prematurely and what you can do about it. ... Refrain from moving a blooming orchid. You may want to relocate it to a spot where you can see its ...
Cymbidium / s ɪ m ˈ b ɪ d i ə m /, [2] commonly known as boat orchids, is a genus of evergreen flowering plants in the orchid family Orchidaceae. Orchids in this genus are epiphytic, lithophytic, terrestrial or rarely leafless saprophytic herbs usually with pseudobulbs. There are usually between three and twelve leaves arranged in two ranks ...
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.
grey leaf spot: Palm fruit: Ganoderma orbiforme/Ganoderma boninense: Basal stem rot: Phytophthora palmivora: bud rot: Peanut: groundnut rosette virus (GNV) Groundnut rosette disease: GNV satellite RNA groundnut rosette assistor virus (GRAV) Potato: Ralstonia solanacearum: Potato brown rot: Phytophthora infestans: late blight: Rapeseed and ...
The genus Platanthera belongs to the subfamily Orchidoideae of the family Orchidaceae, and comprises about 150 species of orchids.The members of this genus, known as the butterfly orchids [2] [3] or fringed orchids, [4] were previously included in the genus Orchis, which is a close relative (along with the genus Habenaria).