SYMPHYLANS SAMPLING FOR THEIR DIAGNOSIS AND SURVEILLANCE IN GARDEN CHRYSANTHEMUM (Dendranthema grandiflora) IN COLOMBIA

Diego Salazar-Moncada^1*, Guillermo Correa-Londoño², Juan Aristizábal-Quintero³, Germán Zuluaga-Ramírez³, y Jaime Calle-Osorno¹

ABSTRACT

Symphylans (Myriapoda: Shymphyla) are natural inhabitants of soil. Two genera, Scutigerella and Hanseniella, are considered worldwide crop pests. The aim of this study was to evaluate different symphylan sampling methods to effectively test for the presence of symphylan pests of Dendranthema grandiflora (garden chrysanthemum) in Colombia. Based on the results obtained, a protocol was designed to test for the presence of symphylans in flower crops, collecting three rhizosphere soil samples under the irrigation hose. In addition, an action threshold was set when an average of 0.4 symphylans per 100 g soil was recorded.

Key words: integrated pest management, pest control, sampling, economic threshold.

¹ Universidad de Antioquia, Calle 67 No 53-108, Medellín, Colombia.

² Universidad Nacional de Colombia, Calle 59A No 63 – 20, Medellín, Colombia.

³ Flores Esmeralda S.A.S CI. Cl 29 16-04, La Ceja, Colombia.

*Autor para correspondencia E-mail: diego2628@gmail.com