Umbral de acción de Hortensia similis Walker y Draeculacephala soluta Gibbons (Homoptera: Cicadellidae) en el cultivo del arroz en el Valle del Cauca, Colombia

Isabel C. Arciniegas; Alberto Pantoja; César García; Miriam C. Duque

doi:10.46429/jaupr.v83i1-2.3862

Vol. 83 No. 1-2 (1999), Articles

Vol. 83 No. 1-2 (1999)

Action thresholds of Hortensia similis Walker and Draeculacephala soluta Gibbons (Homoptera: Cicadellidae) in rice in Valle del Cauca, Colombia

Articles

https://doi.org/10.46429/jaupr.v83i1-2.3862

Published 1999-04-01

Isabel C. Arciniegas
Alberto Pantoja
César García
Miriam C. Duque

Isabel C. Arciniegas

Alberto Pantoja

César García

Miriam C. Duque

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Keywords

Hortensia
Draeculacephala
Rice
Thresholds

How to Cite

Arciniegas, I. C., Pantoja, A., García, C., & Duque, M. C. (1999). Action thresholds of Hortensia similis Walker and Draeculacephala soluta Gibbons (Homoptera: Cicadellidae) in rice in Valle del Cauca, Colombia. The Journal of Agriculture of the University of Puerto Rico, 83(1-2), 65–74. https://doi.org/10.46429/jaupr.v83i1-2.3862

Abstract

Action thresholds were calculated to be 1.7 H. similis and 1.9 D. soluta per rice plant. These densities are equivalent to 7,140 H. similis and 7,980 D. soluta per 10 sweeps. Densities equal to the action thresholds of these two species have not been observed in rice fields of Valle del Cauca, Colombia.

https://doi.org/10.46429/jaupr.v83i1-2.3862

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