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 .
|Published (Last):||10 August 2009|
|PDF File Size:||17.15 Mb|
|ePub File Size:||17.34 Mb|
|Price:||Free* [*Free Regsitration Required]|
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.
Amarillamiento letal del cocotero (LYC) enfermedad cuarentenada en Nicaragua
Detection and variability of the lethal yellowing group 16Sr IV phytoplasmas in the Cedusa sp. 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. Please help improve this article by adding citations to reliable sources. Beside coconut palm Cocus nuciferamore than 30 palm species have also been reported as susceptible to lethal phytoplasmas around the globe. There is a direct connection between green lawns and the spread of lethal yellowing in Florida.
Optimal quadrat size was determined by amarillmiento Greig-Smith’s method. The only explanation is that it was imported with grass seed from Ddl that was used to create golf courses and lawns in beach resorts.
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. Palm tree dying of 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. Users should refer to the original published version of the material for the full abstract.
Please help to improve this article by introducing more precise citations. This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. This abstract may be abridged. 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 dle Lloyd’s.
It is not clearly understood how the disease was spread to East Africa as the planthopper Haplaxius crudus is not native in East Africa. View full text article. Learn how and when to remove these template messages. Author Email cos cicy. The coconut palm Cocos nucifera L.
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. Retrieved from ” https: 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.
The presence of LY phytoplasma and the planthopper vector Myndus crudus was confirmed by polymerase chain reaction PCR and trapping, respectively. 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: Lethal yellowing susceptibility of date palms in Florida.
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. 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.
This article has multiple issues. Views Read Edit View history. From Wikipedia, the free encyclopedia. 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. No warranty is given about the accuracy of the copy.
This disease is caused by a phytoplasma of the 16SrlV group, which has as principal vector the insect Haplaxius crudus Van Duzee Homoptera: 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 This article needs additional citations for verification.
Annals of Applied Biology1pp. However aggregation index revealed a random spatial pattern regardless of the percentage of disease incidence.
In the Caribbean it is spread by the amarillamienyo Haplaxius crudus former name Myndus crudus which is native to Florida, parts of the Caribbean and Central America. Please help improve it or discuss these issues on the talk page. 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. February Learn how and when to remove this template message.
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 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.
However, users may print, download, or email articles for individual use. Tropical agriculture Amariloamiento diseases. Remote access to EBSCO’s databases is permitted amarillamlento patrons of subscribing institutions accessing from remote locations for personal, non-commercial use.
Lethal yellowing – Wikipedia
Principes, 36 4pp. There is no evidence that disease can be spread when instruments used to cut an infected palm are then used to letaal or trim a healthy one. Unsourced material may be challenged and removed. 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.