Exobasidium vexans Massee, Bulletin of Miscellaneous Informations of the Royal Botanical Gardens Kew () [MB#]. PDF | On Jan 1, , nghe and others published Morphological and Molecular Differences of Exobasidium vexans Massee. Blister blight (causal agent, Exobasidium vexans) is an economically devastating disease of tea (Camellia sinensis). To determine what.
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Finally the stem bends over and breaks off at the affected spot Petch, Because the fungus infects the tender foliage that forms the harvest, direct crop losses can occur. In other projects Wikimedia Commons. Open the calendar popup.
The first indication of blister blight disease is a small, pale-green, pale-yellow, or pinkish, translucent spot on the tea leaf which is readily seen against exoasidium darker green colour when the leaf is held against the light.
More Spanish version Dr. On the stem a pale yellow spot appears; this gradually elongates and encircles the whole stem which becomes slightly swollen at this point. You can help Wikipedia by expanding it.
Most frequently fungicides such as carbendazim, hexaconazole, propiconazole, and tridemorph are used. Encyclopedia of Life EOL. Sanctioned by Sanctioning name Validated by Type specimen or ex type More exobadidium Human pathogenicity code Plant pathogenicity code Code toxicity.
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Although the basidiospore is normally one-septate, as many as three septa have been seen in germinated spores. Transactions of the British Mycological Society. See below for more information.
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Exobasidium vexans – Wikipedia
These lesions give the lower surface of the leaf the characteristic blister like appearance. The tea industry in southern India suffered enormous crop losses in the early years of blight Subba Rao, Click on the language titles to launch them. Exobasidium vexans Massee, In carefully collected material we have seen the mature two-celled basidiospores attached to sterigmata.
Basidiospores produced by E. From Wikipedia, the free encyclopedia. No other cookies than the ones mentioned above are used on our websites. Most browsers are initially set up to accept cookies, since this is required by most website owners in order to access their sites.
Spores are wind dispersed and readily germinate, usually within 24 hours. Articles with ‘species’ microformats All stub articles.
The mature two-celled basidiospores are very easily dislodged from the sterigmata and are usually to be found on the surface of the blister. Google cookies and technologies Google Analytics: Veans Matches exactly Value is undefined. Exobasidium vexans is an obligate pathogen of tea, which makes the study of it difficult.
During these months it has been found to produce abnormally thick walled spores, in addition to the usual basidiospores, exobasidkum resist germination in vitro. Fungal plant pathogens and diseases Tea diseases Ustilaginomycotina Fungi described in Ustilaginomycotina stubs Plant disease stubs.