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Phytophagous insects in peach palm (Bactris gasipaes K.) grown for heart of palm production.

Arroyo Oquendo, Carlos et al · Universidad de Costa Rica · 2013

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Universidad de Costa Rica Universidad de Costa Rica OAI-PMH
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An evaluation ofthe populations of phytophagous insects present in a varietytrial of peach palm for heart of palm productions, was carriedout in a locality of the Caribbean region of Costa Rica. Ninespecies of insects were identified: a. stem borers: Metamasiushemipterus y Rhynchophorus palmarum; b. defoliators:Conocephalus sp., Neoconocephalus sp., Schistocerca pos.nitens y Saliana pos. severus, and c. foliar rasping insects:Demotispa pos. pallida y Cephaloleia sp. In addition, thenests of the ant Solenopsis geminata associated with the basalsection of the stem were counted. None of those speciesreached a level of economic importance and their populationsdid not show important changes throughout the time of thestudy. But, during those 12 months the relative abundance ofthe insects was higher in the spineless varieties than in thespiny one, which is the traditional commercial variety. Someof those insects could become a plague under unusualenvironmental changes which stress the plants and favor theirmultiplication. For that reason it is convenient to monitorthem to avoid surprises. Las poblaciones de los insectos fitófagos asociadosal pejibaye (Bactris gasipaes) destinado para la producciónde palmito, fueron evaluadas en una prueba de variedadesen una localidad de la vertiente caribeña de Costa Rica. Nueveespecies de insectos fueron identificados: a. taladradoresdel tallo: Metamasius hemipterus y Rhynchophorus palmarum;b. defoliadores: Conocephalus sp., Neoconocephalus sp.,Schistocerca pos. nitens y Saliana pos. severus, y c. raspadoresde follaje: Demotispa pos. pallida y Cephaloleia sp. Enforma adicional, se hizo un conteo de nidos de la hormiga Solenopsisgeminata, la cual se asocia con la base del tallo. Ningunade las especies alcanzó la condición de plaga y sus poblacionesse mantienen estables. El estudio que abarcó losprimeros 12 meses de cultivo, mostró que los insectos tuvieronuna mayor abundancia relativa en las variedades sin espinas encomparación con la variedad con espinas, de uso tradicional enplantaciones comerciales. Bajo condiciones de estrés para laplanta es posible que alguna de esas especies se convierta enplaga, por lo tanto se recomienda el monitoreo de plagas.

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APA 7

Arroyo Oquendo, C. E. A. (2013). Phytophagous insects in peach palm (Bactris gasipaes K.) grown for heart of palm production. https://doi.org/10.15517/am.v15i2.11914

MLA

Arroyo Oquendo, Carlos et al. "Phytophagous insects in peach palm (Bactris gasipaes K.) grown for heart of palm production." 2013. https://doi.org/10.15517/am.v15i2.11914.

Chicago

Arroyo Oquendo, Carlos et al. 2013. "Phytophagous insects in peach palm (Bactris gasipaes K.) grown for heart of palm production.". https://doi.org/10.15517/am.v15i2.11914.

Harvard

Arroyo Oquendo, C. E. A. 2013, Phytophagous insects in peach palm (Bactris gasipaes K.) grown for heart of palm production, Universidad de Costa Rica, available at: https://doi.org/10.15517/am.v15i2.11914 [Accessed 7 Aug. 2026].

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Title
Phytophagous insects in peach palm (Bactris gasipaes K.) grown for heart of palm production.
Author / contributors
Arroyo Oquendo, Carlos et al
Publisher
Universidad de Costa Rica
Publication year
2013
Language
Spanish
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