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They suck the sap from the orchid, causing yellowing leaves, dropped blooms, and eventual plant death. Every time you take your orchid to the sink to water it, Kondrat recommends inspecting the ...
Outside of the "maculata group", D. majalis is very similar to D. maculata subsp. fuchsii, but is distinguished by the following characters: the spots of the leaves are less elongated, the bracts of the inflorescence are longer and the lower transcend the inflorescence itself; it tends to be less cylindrical (a little more 'globular'), the stem ...
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 ]
Pythium species rely on moist soils and cool conditions. [5] Moist conditions allow the movement of zoospores which infect the plant. [2] From here, the fungus penetrates the leaf surface and mycelial growth takes over the plant. [2] Phytophthora cactorum. Phytophthora species thrive in moist soils.
Most Angraecums will have their leaves for a number of years so any sun burn spots are ugly for a significant period and also may expose your plant to disease. In indirect sunlight the Angraecums will reward you with blooms and attractive growth. Angraecum Veitchii: a very rewarding orchid. In indirect light and watered/fed regularly this plant ...
Goodyera pubescens is a plant in the Orchidaceae (orchid) family that is commonly found in North America. The genus Goodyera are terrestrial plants with a fleshy rhizome with basal evergreen leaves in a rosette pattern - frequently having white or pale green markings. Inflorescences are in the form of a spike of small flowers, usually white ...
The 4-5 basal leaves are oblong-lanceolate, with a length of about 8 cm and arranged in a rosette, the color is green with purplish brown spots. The cauline leaves are sheathing the stem, with yellowish lanceolate bracts. The inflorescence comprises 5 to 30 small flowers. Their color varies from creamy white or pale yellow to various shades of ...
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