期刊
BULLETIN OF ENTOMOLOGICAL RESEARCH
卷 95, 期 4, 页码 321-327出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1079/BER2005363
关键词
Steinernema feltiae; Verticillium lecanii; Lecanicillium muscarium; Thrips palmi; biological control; temperature; imidacloprid; integrated pest management
类别
资金
- Plant Health Division, DEFRA
The efficacy of two entomopathogenic biocontrol agents, Steinernema feltiae (Filipjev) and Verticillium lecanii (Zimmerman) Viegas (reclassified now as Lecanicillium muscarium (Petch) Zare & Gams), against Thrips palmi Karny was investigated. Assessments of the effect of temperature on the efficacy of S. feltiae indicated that higher mortality of T. palmi was recorded at 20 degrees C compared to either 15 or 25 degrees C, whereas significantly higher T. palmi mortality followed application of L. muscarium at 25 degrees C. Testing the control agents efficacy on three host plants; chrysanthemum, sweet pepper and cucumber, under constant temperature and high humidity conditions produced no significant difference in the level of T. palmi larval mortality on each host plant. Incorporating the chemical insecticide imidacloprid with both biological agents in a combined control strategy increased T. palmi juvenile mortality. The potential role of S. feltiae and L. muscarium within integrated pest management programmes for the control of T. palmi is discussed.
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