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Nigrospora sphaerica is an airborne filamentous fungus in the phylum Ascomycota.It is found in soil, air, and plants as a leaf pathogen. [2] It can occur as an endophyte where it produces antiviral and antifungal secondary metabolites. [3]
Sometimes it helps to give the plant's pot a quarter-turn every week or so to straighten out its growth, but the better option is to increase light exposure. 5. Losing Variegation or Fenestration
The leaves, which may be flat or crinkled, are large and broad with teeth around the edge. They can be 10–20 centimetres (3.9–7.9 in) long and 15 centimetres (5.9 in) wide. The leaves are coppery green with red splashes, giving them a mottled appearance. Separate male and female flowers appear on the same plant.
When grown indoors, the plant prefers bright indirect light but will tolerate low light conditions. However, lower light is not optimal for an extended period of time. Insufficient amounts of sunlight can result in leaves lengthening and/or falling off, yellowing ( chlorosis ), and generally uneven or disproportionate growth as the plant ...
As a tropical plant, the polka dot plant thrives year-round indoors in containers or outside in zones 10 or 11. If you live in a colder region, you can grow this plant as an annual during spring ...
Phyllostachys nigra, commonly known as black bamboo [2] or purple bamboo (Chinese: 紫竹), is a species of bamboo, native to Hunan Province of China, and is widely cultivated elsewhere. [ 3 ] Growing up to 25 m (82 ft) tall by 30 cm (1 ft) broad, it forms clumps of slender arching canes which turn black after two or three seasons.
Black spot leaf disease is a physiological plant disorder that affects some grape varieties such as Concord.It is essentially a potassium deficiency that causes the leaves on a vine to turn purple and eventually black as chlorophyll is lost.
The leaves are spread along the branches and have a nauseating stale-cabbage smell when crushed which helps distinguish it from Anopterus glandulosus (Escalloniaceae), which looks similar but lacks the smell and the leaves are often longer and arranged in false whorls. [9] The leaves turn black when dried. [9] [10] [11]