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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Learn how and when to remove these template messages. 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. Please help to improve this article by introducing more precise citations. 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.
Lethal yellowing susceptibility of date palms in Florida. Unsourced material may be challenged and removed.
The apparent infection rate was 0. Principes, 36 4pp. The coconut palm Cocos nucifera L. Lethal yellowing LY is a phytoplasma disease that attacks many species of palmsincluding amarillamiejto commercially important species such as the coconut and date palm.
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. This article cpcotero multiple issues.
Lethal yellowing – Wikipedia
This abstract may be abridged. Annals of Applied Biology1pp. Amarillaimento 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 cocotrro an LY epidemic area should be applied to grasses and other plants that may be carrying infected vectors.
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.
Temporal-space pattern of coconut (Cocos nucifera L.) lethal yellowing in Yucatan, Mexico.
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. This article needs additional citations for verification.
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The presence of LY phytoplasma and the planthopper vector Myndus crudus was confirmed by polymerase chain reaction PCR and trapping, respectively. However aggregation index revealed a random spatial pattern regardless of the percentage of disease incidence. Retrieved from ” https: 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.
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: Detection and variability of the lethal yellowing group 16Sr IV phytoplasmas in the Cedusa sp.
This disease is caused by a phytoplasma of the 16SrlV group, which has as principal vector the insect Haplaxius crudus Van Duzee Homoptera: This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations.
It amarillamidnto not clearly understood how the disease was spread to East Africa as the planthopper Haplaxius crudus is not native in East Africa. Palm tree dying of lethal yellowing. 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.
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. 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.
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. Tropical agriculture Palm diseases. No warranty is given about the accuracy of the copy. The only explanation is that it was imported with grass seed from Florida amarillamiengo was used to create golf courses and lawns in beach resorts.
The problem arose as a direct result of using coconut and date palms for ornamental and landscaping purposes ckcotero lawns, golf courses and gardens together with these grasses. 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.
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This page was last edited on 9 Decemberat Author Email cos cicy. Remote access to EBSCO’s databases is permitted to patrons of subscribing institutions accessing from remote cocoteeo for personal, non-commercial use.
Optimal quadrat size was determined by the Greig-Smith’s method. From Wikipedia, the free encyclopedia. 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.