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http://dx.doi.org/10.5656/KSAE.2012.09.0.022

Environmentally-friendly Control Methods and Forecasting the Hatching Time Lycorma delicatula (Hemiptera: Fulgoridae) in Jeonnam Province  

Choi, Duck-Soo (Jeonnam Agricultural Research and Extension Services)
Kim, Do-Ik (Jeonnam Agricultural Research and Extension Services)
Ko, Suk-Ju (Jeonnam Agricultural Research and Extension Services)
Kang, Beom-Ryong (Jeonnam Agricultural Research and Extension Services)
Park, Jong-Dae (Jeonnam Agricultural Research and Extension Services)
Kim, Seon-Gon (Jeonnam Agricultural Research and Extension Services)
Choi, Kyeong-Ju (Jeonnam Agricultural Research and Extension Services)
Publication Information
Korean journal of applied entomology / v.51, no.4, 2012 , pp. 371-376 More about this Journal
Abstract
This study was conducted to predict the hatching time of eggs of Lycorma delicatula, to select an effective environmentally-friendly agriculture material (EFAM) and to evaluate the attraction effect of brown sticky traps for controling of Lycorma delicatula nymph and adults. Eggs hatched 55.9, 26.8, 21.6 days after incubation at 15, 20, $25^{\circ}C$ with 14L:10D condition and the hatching rates of egg were 61.9, 57.8, 30.4%, respectively. At high temperature conditions, egg development periods were shorter and the hatching rate was lower. The relationship between temperature and developmental rate was expressed by the linear equation Y=0.0028X-0.0228, $R^2$=0.9561. The low temperature threshold of eggs was $8.14^{\circ}C$ and the thermal constant required to reach larva was 355.4 DD. According to this relationship, the mean estimated hatching date was $22^{nd}$ May. The effective EFAM was natural plant extract, sophora extract, derris extract to nymph and natural plant extract, pyrethrum extract, sophora extract to adult. Among three colors of sticky trap : brown, blue and yellow, the brown sticky trap was the most attractive to nymphs and adults of L. delicatula over a 2 weeks trial period. It suggested that the brown sticky trap could be a very useful and environment-friendly control method for nymphs and adults of L. delicatula.
Keywords
Lycorma delicatula; Low temperature threshold; Sticky trap;
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Times Cited By KSCI : 4  (Citation Analysis)
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