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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blister blight of tea (Exobasidium vexans)

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Blister blight caused by Exobasidium vexans is a devastating leaf disease in tea Camellia sinensis in almost all tea growing regions in Asia. Reitsma and van Emden refer to these tiny infection spots as stages in the disease.

It thrives in tea growing regions of Asia with elevations over m and high relative humidity. You can prevent exobzsidium information generated by the Google cookie about exobaasidium use of our Sites from being collected and processed by Google in the future by downloading and installing Google Analytics Opt-out Browser Add-on for your current web browser.

Articles with ‘species’ microformats All stub articles. Between and the annual loss amounted to 18 kilotonnes of tea, before control measures were fully implemented on an extensive scale Venkata Ram, Detection of Tea Blister Blight is done via a visual inspection of the crop plants for the characteristic blisters.


Basidiospores produced by E. It thrives in humid high elevations in Asia.

Exobasidium vexans

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Exobasidium vexans is an obligate exobasiidum of tea, which makes the study of it difficult. This Add-on is available at http: Sanctioned by Sanctioning name Validated by Type specimen or ex type More specimens Human pathogenicity code Plant pathogenicity code Code toxicity. Specimen record 2. Lily Eurwilaichitr and Dr.

The basidiospores of this pathogen are very sensitive, direct sunlight in excess of 4 hours will readily destroy them, therefore other agricultural methods such as planting rows greater distances apart exobbasidium allow sunlight to penetrate to young target leaves can be helpful in controlling disease spread.

Because the exobasidijm infects the tender foliage that forms the harvest, direct crop losses can occur. A wet leaf surface environment of 11 hours or more per day is critical in pathogen propagation.

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However, in southern India, regulation of the existing shade by pollarding the branches of shade trees has been found to be useful Venkataramani, Contact our curators Dr. If you would like to, you can learn more about the cookies we use.

Specimens and strains links: This will help to protect your privacy. Retrieved from ” https: This Ustilaginomycotina -related article is a stub. The mature two-celled basidiospores are very easily dislodged from the sterigmata and are usually to be found on the surface of the blister.

Exobasidium vexans Scientific classification Kingdom: For practical reasons we have decided not to translate all pages in several languages anymore because it was too heavy to maintain but some of the labels of the basic and advanced query pages are still available.

On the upper side of the leaf, the spots slowly become sunken into a shallow depression; at the same time on the under-side they become correspondingly convex, forming the typical blister lesion.