Cíxidos y dérbidos (Hemiptera) vectores putativos de fitoplasma del grupo 16Sr-IV

Ramos-Hernández, Eder; Lesher-Gordillo, Julia María; Ortiz-García, Carlos Fredy; Oropeza-Salín, Carlos; Sánchez-Soto, Saúl; Magaña-Alejandro, Miguel Ángel; Narváez, María

doi:10.25100/socolen.v46i2.7065

Cited by 3 publications

(2 citation statements)

References 35 publications

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“…For that reason, phytoplasma strains associated with LY are often referred to as members of group 16SrIV, subgroup A (Lee et al, 1998), instead of having a conventional scientific name, although 'Candidatus Phytoplasma palmae' has also been proposed as a name for the taxon (Bertaccini et al, 2022). So far, the cixiid planthopper Haplaxius crudus Van Duzee is the only proven vector of this phytoplasma subgroup (Dzido et al, 2020), nevertheless, additional putative vectors of group 16SrIV phytoplasmas have also been discovered (Brown et al, 2006;Ramos-Hernández et al, 2020;Fernández-Barrera et al, 2022).…”

Section: Methodsmentioning

confidence: 99%

History of lethal yellowing with emphasis on the susceptibility of royal palms (Roystonea spp.)

PALMA CANCINO,

Ramos Hernández,

Ortiz garcía

2023

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Objective: To explore the available literature relating to lethal yellowing (LY) in order to assess the susceptibility of royal palms (Roystonea spp.) to this disease. Design/methodology/approach: Bibliographic material in English and Spanish was consulted in physical and digital libraries in search of unequivocal and plausible LY reports in Roystonea palms. Information gathered was then reviewed and discussed. Results: We found evidence of LY susceptibility of royal palms dating back to the beginning of the 20th century. In addition to Mexico, possible LY outbreaks in Roystonea palms might have occurred in Cuba, Haiti, the Dominican Republic, and Antigua and Barbuda. Limitations on study/implications: Reports of LY predating molecular diagnostic tools, particularly in Roystonea palms, cannot be assumed as unequivocal evidence of susceptibility to this disease. Findings/conclusions: Royal palms have shown evidence of susceptibility to the LY pathogen throughout the Caribbean Basin. In light of this, their potential role as long-term phytoplasma reservoirs should be examined in order to better comprehend this disease’s pathosystem

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Section: Methodsmentioning

confidence: 99%

History of lethal yellowing with emphasis on the susceptibility of royal palms (Roystonea spp.)

PALMA CANCINO,

Ramos Hernández,

Ortiz garcía

2023

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“…The adult H. crudus is a vector of the causative agent of lethal coconut yellowing (ALC), a highly destructive disease of coconut and ornamental palms in Florida and several countries in the Caribbean Basin region [1,3]. The lethal yellowing of the coconut palm is caused by the phytoplasma Candidatus Phytoplasma palmae, belonging to the group 16SrIV subgroup A [4,5]. Studies conducted by Cenipalma found that H. crudus is responsible for disseminating in palm plantations in Colombia, the pathogen causing Lethal Wilt (LW).…”

Section: Introductionmentioning

confidence: 99%

Population Parameters of Haplaxius crudus (Hemiptera: Cixiidae) under Semi-Controlled Conditions

Beltrán-Aldana,

Fernández-Sánchez,

Morales-Rodriguez

2024

Insects

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The palm leafhopper, Haplaxius crudus, is a possible vector of the pathogen that causes the Lethal Wilt of oil palms in Colombia. This disease represents the biggest phytosanitary problem in the eastern palm zone. From 2010 to 2021, more than 7700 ha have been eradicated, with economic losses exceeding 154 million USD. Therefore, knowing the biology of this insect and its population parameters is necessary for developing population control tools. To evaluate these parameters, a cohort of 100 eggs obtained from H. crudus adults from the breeding unit established in the Campo Experimental Palmar de las Corocoras de Cenipalma in Paratebueno, Cundinamarca, was monitored to record the life cycle and the population parameters using a life table under semi-controlled conditions in an oil palm plantation. The life cycle from egg to adult was 62.7 ± 15.5 days (26.1 ± 2.9 °C; HR: 89.8 ± 14.0%). The egg stage lasted 14.6 ± 0.6 days, the nymphal stage 48.1 ± 2.8 days through five instars, and the adult longevity was 14.8 ± 8.4 days. The specific mortality rate (qx) calculated in the life table was 0.14 (for the egg stage), 0.05 (for I instar), 0.05 (for II instar), 0.03 (for III instar), 0.04 (for IV instar), and 0.07 (for V instar). The population parameters’ values were as follows: net reproductive rate Ro = 10.96; generation time T = 62.3 days, intrinsic natural growth rate rm = 0.03, and finite growth rate λ = 1.03. These results help us to understand the population dynamics of this insect in the field and for the development of population control studies.

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The decline and death of Canary Island date palms in México City is associated with subgroup 16SrIV-D phytoplasmas

Ortiz-García,

Alvarado-Rosales,

Oropeza

et al. 2024

Australasian Plant Pathol.

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Cíxidos y dérbidos (Hemiptera) vectores putativos de fitoplasma del grupo 16Sr-IV

Cited by 3 publications

References 35 publications

History of lethal yellowing with emphasis on the susceptibility of royal palms (Roystonea spp.)

History of lethal yellowing with emphasis on the susceptibility of royal palms (Roystonea spp.)

Population Parameters of Haplaxius crudus (Hemiptera: Cixiidae) under Semi-Controlled Conditions

The decline and death of Canary Island date palms in México City is associated with subgroup 16SrIV-D phytoplasmas

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