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Ericka Helmick
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Lethal yellowing‐type diseases of palms associated with phytoplasmas newly identified in Florida, USA
NA Harrison, EE Helmick, ML Elliott
Annals of Applied Biology 153 (1), 85-94, 2008
1212008
Candidatus Phytoplasma palmicola’, associated with a lethal yellowing-type disease of coconut (Cocos nucifera L.) in Mozambique
NA Harrison, RE Davis, C Oropeza, EE Helmick, M Narvaez, ...
International journal of systematic and evolutionary microbiology 64 (Pt_6 …, 2014
1002014
Hybridization of two major termite invaders as a consequence of human activity
T Chouvenc, EE Helmick, NY Su
PLoS One 10 (3), e0120745, 2015
732015
First report of a phytoplasma-associated lethal decline of Sabal palmetto in Florida, USA.
NA Harrison, EE Helmick, ML Elliott
Plant pathology 58 (4), 2009
462009
Detecting and differentiating phytoplasmas belonging to subgroups 16SrIV-A and 16SrIV-D associated with lethal declines of palms in Florida using qPCR and high-resolution melt …
BW Bahder, EE Helmick, NA Harrison
Plant disease 101 (8), 1449-1454, 2017
252017
A new species of Omolicna (Hemiptera: Auchenorrhyncha: Fulgoroidea: Derbidae) from coconut palm in Costa Rica and new country records for Omolicna brunnea and Omolicna triata
BW Bahder, CR Bartlett, EAB Barrantes, MAZ Echavarria, AR Humphries, ...
Zootaxa 4577 (3), 501-514, 2019
242019
Disease progression of a lethal decline caused by the 16SrIV‐D phytoplasma in Florida palms
BW Bahder, EE Helmick, S Chakrabarti, S Osorio, N Soto, T Chouvenc, ...
Plant Pathology 67 (8), 1821-1828, 2018
212018
First report of lethal yellowing disease associated with subgroup 16SrIV-A phytoplasmas in Antigua, West Indies
WA Myrie, NA Harrison, L Douglas, E Helmick, J Gore-Francis, C Oropeza, ...
New Disease Reports 29, 12-12, 2014
212014
Digital PCR technology for detection of palm-infecting phytoplasmas belonging to group 16SrIV that occur in Florida
BW Bahder, EE Helmick, DF Mou, NA Harrison, R Davis
Plant Disease 102 (5), 1008-1014, 2018
192018
A survey of declining palms (Arecaceae) with 16SrIV-D phytoplasma to evaluate the distribution and host range in Florida
BW Bahder, N Soto, EE Helmick, KK Dey, L Komondy, AR Humphries, ...
Plant disease 103 (10), 2512-2519, 2019
172019
DNA extraction from arborescent monocots and how to deal with other challenging hosts
NA Harrison, RE Davis, EE Helmick
Phytoplasma: Methods and Protocols, 147-158, 2013
172013
A new genus and species of cixiid planthopper (Hemiptera: Auchenorrhyncha: Fulgoroidea) from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica
BW Bahder, CR Bartlett, EAB Barrantes, MAZ Echavarria, AR Humphries, ...
Zootaxa 4701 (1), 65–81-65–81, 2019
162019
A new species of planthopper belonging to the genus Oecleus Stål, 1862 (Hemiptera: Fulgoroidea: Cixiidae) from coconut palm (Cocos nucifera L) in Jamaica.
W Myrie, EE Helmick, CR Bartlett, A Bertaccini, BW Bahder
Zootaxa 4712 (1), 127-137, 2019
162019
Genetic Variability of Haplaxius crudus, Based on the 5′ Region of the Cytochrome c Oxidase Subunit I Gene, Sheds Light on Epidemiology of Palm Lethal …
AR Humphries, MS Ascunce, EM Goss, EE Helmick, CR Bartlett, W Myrie, ...
PhytoFrontiers™ 1 (3), 127-134, 2021
142021
Detection and quantification of the 16SrIV-D phytoplasma in leaf tissue of common ornamental palm species in Florida using qPCR and dPCR
BW Bahder, N Soto, L Komondy, DF Mou, AR Humphries, EE Helmick
Plant disease 103 (8), 1918-1922, 2019
142019
A survey of auchenorrhynchan insects for identification of potential vectors of the 16SrIV-D phytoplasma in Florida
DF Mou, AR Humphries, N Soto, EE Helmick, MS Ascunce, EM Goss, ...
Florida Entomologist 103 (3), 344-352, 2020
112020
A new species of Myxia (Hemiptera: Auchenorrhyncha: Cixiidae) collected on palms from the Reserva Privada el Silencio de Los Angeles Cloud Forest in Costa Rica
MAZ Echavarria, EAB Barrantes, CR Bartlett, EE Helmick, BW Bahder
Zootaxa 5027 (3), 417-428, 2021
102021
First report of a ‘Candidatus Phytoplasma asteris’-related strain associated with little leaf disease of Helianthus debilis in Florida, USA.
NA Harrison, EE Helmick
Plant Pathology 57 (4), 2008
92008
Genetic variability of palm lethal decline phytoplasmas in the Caribbean basin and Florida, USa, based on a multilocus analysis
N Soto, EE Helmick, NA Harrison, BW Bahder
Phytopathology® 111 (12), 2203-2212, 2021
82021
A new species of planthopper in the genus Haplaxius (Hemiptera: Auchenorrhyncha: Fulgoroidea: Cixiidae) from coconut palm (Cocos nucifera) in Costa Rica
EAB Barrantes, MAZ Echavarria, CR Bartlett, EE Helmick, BW Bahder
Zootaxa 4963 (3), 412–422-412–422, 2021
82021
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