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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However aggregation index revealed a random spatial pattern regardless of the percentage of disease incidence.
Unsourced material may be challenged and removed. This disease is caused by a phytoplasma of the 16SrlV group, which has as principal vector the insect Haplaxius crudus Van Amarilkamiento Homoptera: No warranty is given about the accuracy of the copy. February Learn how and when to remove this template message. Views Read Edit View history. From Wikipedia, the free encyclopedia.
Donají: nuevo híbrido de cocotero resistente al amarillamiento letal en México
This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. 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.
Please help to improve this article by introducing more precise citations. 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.
Beside coconut palm Ajarillamiento nuciferamore than 30 palm species have also been reported as susceptible to lethal phytoplasmas around the globe.
Principes, 36 4pp. Annals of Applied Biology1pp. 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. Palm tree dying of lethal yellowing. Users should refer to the original published version of the material for the full abstract.
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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. This article needs additional citations for verification.
Temporal-space pattern of coconut (Cocos nucifera L.) lethal yellowing in Yucatan, Mexico.
It is not clearly understood how the disease was spread to East Africa as the planthopper Haplaxius crudus is not native in East Africa. Optimal quadrat size was determined by the Greig-Smith’s method. 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.
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 considered one of the twenty most important cultivated plants in the world, and is a basic element for the agricultural economy of many countries.
There is a direct connection between green lawns and the spread of lethal yellowing in Florida. Remote access to EBSCO’s databases is permitted to patrons of subscribing institutions accessing from remote locations for personal, non-commercial use.
Lethal yellowing LY is a phytoplasma disease that attacks many species of palmsincluding some commercially important species such as the coconut and date palm. 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. 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.
The apparent infection rate was 0.
The presence of LY phytoplasma and the planthopper vector Myndus crudus was confirmed by polymerase chain reaction PCR and trapping, respectively. 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.
Please help improve this article by adding citations to reliable sources. The coconut palm Cocos nucifera L. 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: 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.
Author Email cos cicy. 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. The only explanation is that it was imported with grass seed from Florida that was used to create golf courses and lawns in beach resorts.