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Mating Disruption of Striped Rice Stem Borer: Importance of Early Deployment of Dispensers and Impact on Airborne Pheromone Concentration

Mating Disruption of Striped Rice Stem Borer: Importance of Early Deployment of Dispensers and Impact on Airborne Pheromone Concentration

作     者:Aitor GAVARA Sandra VACAS Jaime PRIMO Vicente NAVARRO-LLOPIS Aitor GAVARA;Sandra VACAS;Jaime PRIMO;Vicente NAVARRO-LLOPIS

作者机构:Centre for Agricultural Chemical EcologyMediterranean Agroforestry InstitutePolytechnic University of ValenciaBuilding 6CCamino de Vera s/n46022 ValenciaSpain 

出 版 物:《Rice science》 (水稻科学(英文版))

年 卷 期:2021年第28卷第6期

页      面:525-528,I0027-I0029页

核心收录:

学科分类:0710[理学-生物学] 09[农学] 0904[农学-植物保护] 090401[农学-植物病理学] 0901[农学-作物学] 

基  金:funded by Conselleria de Agricultura Medio Ambiente Cambio Climatico y Desarrollo Rural(Generalitat Valenciana) Spain(Grant No.S8456000). 

主  题:release Impact adjust 

摘      要:Mating disruption(MD)is an effective environmentally-friendly control method against the striped rice stem borer(RSB),Chilo suppressalis(Lepidoptera:Crambidae).In this study,the current MD dispensers release the pheromone exponentially,with higher initial release rates that decrease throughout the time.To adjust the timing of dispensers deployment and evaluate the importance of controlling the early first or the second male flight,field trials were carried out to test the efficacy of two strategies:the early dispenser deployment prior to the first male flight(May)and the late deployment prior to the second flight(June).The early dispenser deployment was more effective in reducing plant damage inflicted by RSB when assessed at harvest.However,neither of these strategies was able to inhibit the male catches of the third flight due to the dispensers5 depletion.Attending to the airborne pheromone concentrations obtained,around 1.60 ng/m3 were capable to inhib社C.suppressalis male flight effectively.

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