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After you cut off the damaged leaf, inspect the plant to see if there’s a larger problem. It may have mealybugs or a fungal issue that needs to be treated. Orchids naturally shed old foliage.
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]
The virus has not often been reported in wild orchid populations. [2] It can be found in a wide variety of orchid genera [3] but does not infect plants other than orchids. [2] Once an orchid is infected, the virus spreads throughout the infected plant in a number of weeks. [4] Control measures may include sanitizing pruning equipment between ...
Phalaenopsis amabilis, commonly known as the moon orchid, moth orchid, [7] or mariposa orchid, [8] is a species of flowering plant in the orchid family Orchidaceae. It is widely cultivated as a decorative houseplant .
Mariposa orchid, literally "butterfly" orchid in Spanish, can refer to: Phalaenopsis amabilis , also called the "moon orchid" or "moth orchid", a species of orchid native to the Philippines, Indonesia, and Malaysia
Cabernet orchid: This is a beautiful, deep wine red Phalaenopsis orchidwith that classic moth orchid shape. Chia Lin 'Shinsu #1' : a Cattleya that’s a bit flamboyant, it starts out yellow then ...
Orchids with monopodial growth often produce copious aerial roots that often hang down in long drapes and have green chlorophyll underneath the grey root coverings, which are used as additional photosynthetic organs. They do not have a rhizome or pseudobulbs so species adapted to dry periods have fleshy succulent leaves instead. Flowers ...
Diuris chryseopsis is a tuberous, perennial herb with two to five, sometimes up to eight green, linear leaves 50–220 mm (2–9 in) long, 2–3.5 mm (0.08–0.1 in) wide in a loose tuft. Up to four drooping, lemon yellow flowers with brownish markings and 17–30 mm (0.7–1 in) wide are borne on a flowering stem 100–300 mm (4–10 in) tall.