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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Lethal yellowing

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. Articles lacking in-text citations from February All amarillamiehto 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 Lehal with unsourced statements amatillamiento February When these two important food palms were grown in traditional ways without grasses in plantations and along the shores, the palm groves were not noticeably affected by lethal yellowing.

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. Beside coconut palm Cocus nuciferamore than 30 palm species have also been reported as susceptible cicotero lethal phytoplasmas around the globe.

Please help improve this article by adding citations to reliable sources. In the Caribbean it is spread by the planthopper Haplaxius crudus former name Myndus crudus which is native to Florida, parts of the Caribbean and Central America. Optimal quadrat size was determined by cocogero Greig-Smith’s method. Lethal yellowing LY is a phytoplasma disease that attacks many species of palmsincluding some commercially important species such as the coconut and date palm.

,etal is no evidence that disease can be spread when instruments used to cut an infected palm are then used to cut or amarillamlento a healthy one. View full text article. There is a direct connection between green lawns and the spread of lethal yellowing in Florida. Author Email cos cicy. Please help improve it or discuss these issues on the talk page. 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.

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Remote access to EBSCO’s databases is permitted to patrons of subscribing institutions accessing from remote locations for personal, non-commercial use. Views Read Edit View history. By using this site, you agree to the Terms of Use and Privacy Policy. This article needs additional citations for verification.

However, remote access to EBSCO’s databases from non-subscribing institutions is not allowed if the purpose of the use is for commercial gain through cost reduction or avoidance for a non-subscribing institution. Learn how and when to remove these template messages. This article has multiple issues. It is considered one of the twenty most important cultivated amarillamiengo in the world, and is a basic element for the agricultural economy of many countries. From Wikipedia, the free encyclopedia.

Users should refer to the original published version of the material amarllamiento the full abstract. Lethal yellowing susceptibility of date palms in Florida.

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 cocptero eradication of diseased palms. The coconut palm Cocos nucifera L.

Unsourced material may be challenged and removed. Retrieved from ” https: 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.

Principes, 36 4pp. 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.

Palm tree dying of lethal yellowing. The only explanation amarillamisnto that it was imported with grass seed from Florida that amarilkamiento used to create golf courses and lawns in beach resorts.

The apparent infection rate was 0. Amarillamiejto, users may print, download, or email articles for individual use. The presence of LY phytoplasma and the planthopper vector Myndus aamrillamiento was confirmed by polymerase chain reaction PCR and trapping, respectively. 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.

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These results suggest eradication of individual cicotero palms when detection is carried out at the beginning of the epidemic, and when there is not an indication of clustering. This disease is caused by a phytoplasma of the 16SrlV group, which has as principal vector the insect Haplaxius crudus Van Duzee Homoptera: However aggregation index revealed a random spatial pattern regardless of the percentage of disease incidence.

This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. 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.

It is not clearly understood how the disease was spread to East Africa as the planthopper Haplaxius crudus is not native in East Africa.

Tropical agriculture Palm diseases.

February Learn how and when to remove this template message. Annals of Applied Biology1pp.

Donají: nuevo híbrido de cocotero resistente al amarillamiento letal en México

Detection and variability of the lethal yellowing group 16Sr IV phytoplasmas in the Cedusa sp. 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. This page was last edited on 9 Decemberat