AMARILLAMIENTO LETAL DEL COCOTERO PDF

La Problemática del amarillamiento letal del cocotero en México (Spanish Edition) on *FREE* shipping on qualifying offers. English Translation, Synonyms, Definitions and Usage Examples of Spanish Word ‘amarillamiento letal del cocotero’. Se describen los síntomas del “Amarillo letal” del cocotero y su distribución y avance en la República Dominicana. Se presentan cifras que dan una idea de la .

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Temporal-space pattern of coconut (Cocos nucifera L.) lethal yellowing in Yucatan, Mexico.

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Detection and variability of the lethal amqrillamiento group 16Sr IV phytoplasmas in the Cedusa sp. There is a cocotefo connection between green lawns and the spread of lethal yellowing in Florida. This article needs additional citations for verification. Principes, 36 4pp.

The objective was to review the development of strategies for management of LYC, highlighting that this is based on the prevention, using strategies such as: In the coastal transect, the spatial pattern of diseased palms varied; eleven plots had palms in aggregated pattern, 21 with a uniform pattern, and only 3 with a random pattern. February Learn how and when cocoetro remove this template message. From Wikipedia, the free encyclopedia.

Copyright of Agroproductividad is the property of Colegio de Postgraduados and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder’s express written permission. Tropical agriculture Palm diseases. This disease is caused by a phytoplasma of the 16SrlV group, which has as principal vector the insect Haplaxius crudus Van Duzee Homoptera: There is no evidence that disease can be spread when instruments used to cut an infected palm are then used to cut or trim a healthy one.

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Optimal quadrat size was determined by the Greig-Smith’s method. The presence of LY phytoplasma and the planthopper vector Myndus crudus was confirmed by polymerase chain reaction PCR and trapping, respectively.

Abstract A study on temporal-space pattern of coconut lethal yellowing LY was carried out in Sisal, Yucatan, Mexico, with the objective to provide basis for eradication of diseased palms. Lethal yellowing LY is a phytoplasma disease that attacks many species of palmsincluding some commercially important species such as the coconut and date palm.

The apparent infection rate was 0. The only explanation is that it was imported with grass seed from Florida that was used to create golf courses and lawns in cocoterk resorts. This article includes a list of referencesbut its sources remain unclear amarillamientoo it has insufficient inline citations. By using this site, you agree to the Terms of Use and Privacy Policy.

Lethal yellowing – Wikipedia

Please help improve this article by adding citations to reliable sources. Users should refer to the original published version of the material for the full abstract. However aggregation index revealed a random spatial pattern regardless of the percentage of disease incidence. These results suggest eradication of individual diseased palms when detection is carried out at the beginning of the epidemic, and when there is not an indication of clustering.

Lethal yellowing amarillamiebto of date palms in Florida.

Lethal yellowing

Unsourced material may be challenged and removed. Seed transmission has never been demonstrated, although the phytoplasma can be found in coconut seednuts, but phytosanitary quarantine procedures that prevent movement of coconut seed, seedlings and mature palms out of an LY epidemic area should be applied to grasses and other plants that may be carrying infected vectors.

This page was last edited amarillamienro 9 Decemberat Disease severity was measured by visual symptoms according to McCoy’s scale, while the spatial pattern was analysed monthly by geostatistical maps and aggregation index Morisita’s and Lloyd’s. This article has multiple issues.

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Annals of Applied Biology1pp. Views Read Edit View history. The nymphs of the planthoppers develop on roots of grasses, hence the areas of grass in the vicinity of palm trees is connected with the spread of this phytoplasma disease. View full text article. The planthoppers’ eggs and nymphs may pose a great threat to coconut growing countries’ economies, into which grass seeds for golf courses and lawns are imported from the Americas. Articles lacking in-text citations from February All articles lacking in-text citations Articles needing additional references from February All articles needing additional references Articles with multiple maintenance issues All articles with unsourced statements Articles with unsourced statements from February It is not clearly understood how the disease was spread to East Africa as the planthopper Haplaxius crudus is not native in East Africa.

The coconut palm Cocos nucifera L.

It is considered one of the twenty most important cultivated plants in the world, and is a basic element for the agricultural economy of many countries. Heavy turf grasses and similar green ground cover will attract the planthopper to lay its eggs and the nymphs develop at the roots of these grasses.

The problem arose as a direct result of using coconut and date palms for ornamental and landscaping purposes in lawns, golf courses and gardens together with these grasses.