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Stethopachys formosa, the orchid beetle or dendrobium beetle, is an Australian insect found in northern New South Wales, Northern Territory and Queensland. [2] They cannot survive in colder climates, and they do not appear in Southern states. [3] This insect feeds on the flowers and leaves of orchids, often causing damage to cultivated plants. [4]
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 ...
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]
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.
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.
The white, needle-like, aerial roots are characteristic for this orchid. They point upwards, taking the form of a basket around the tall, many-noded, fusiform, canelike, yellow pseudobulbs, catching the decaying leaves and detritus upon which the plant feeds. These pseudobulbs can develop a gigantic size, up to 60 cm long.
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.