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The mushroom has a broad, fan or oyster-shaped cap spanning 2–30 centimetres (3 ⁄ 4 – 11 + 3 ⁄ 4 inches); [3] natural specimens range from white to gray or tan to dark-brown; the margin is inrolled when young, and is smooth and often somewhat lobed or wavy.
A drawing on the lower side of the sporocarp of G. applanatum. A peculiarity of this fungus lies in its use as a drawing medium for artists. [14] When the fresh white pore surface is rubbed or scratched with a sharp implement, dark brown tissue under the pores is revealed, resulting in visible lines and shading that become permanent once the fungus is dried.
The study of reproduction and development in organisms was carried out by many botanists and zoologists.. Wilhelm Hofmeister demonstrated that alternation of generations is a feature that unites plants, and published this result in 1851 (see plant sexuality).
The genus Pyricularia includes species that are pathogenic on a wide range of monocot plants.For example, Pyricularia oryzae (sexual morph Magnaporthe oryzae), the causal agent of the rice blast disease, is one of the most widely distributed diseases of rice, and is highly destructive leading to up to 30% yield loss worldwide. [5]
Hypsizygus tessulatus, the beech mushroom, is an edible mushroom [3] native to East Asia.It is cultivated locally in temperate climates in Europe, North America and Australia and sold fresh in super markets.
Rhizopus oryzae is a filamentous heterothallic microfungus that occurs as a saprotroph in soil, dung, and rotting vegetation. This species is very similar to Rhizopus stolonifer, but it can be distinguished by its smaller sporangia and air-dispersed sporangiospores.
Cercospora arachidicola (the anamorph stage) survives as stroma or mycelium in crop residue. Primary infection usually occurs after a period of rain, where the leaf is continually wet, and the pathogen thrives in areas of high relative humidity and moderate temperature (25-30 °C).
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