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首页> 外文期刊>Journal of Economic Entomology >Communication disruption of Epiphyas postvittana (Lepidoptera: Tortricidae) by using two formulations at four point source densities in vineyards
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Communication disruption of Epiphyas postvittana (Lepidoptera: Tortricidae) by using two formulations at four point source densities in vineyards

机译：通过在葡萄园中以四个点源密度使用两种配方，对后附生夜蛾（鳞翅目：旋毛科）进行传播破坏

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Light brown apple moth [Epiphyas postvittana (Walker) ] is now established as an economic and quarantine pest in California, and new technologies are being investigated to increase options for its management. Two new organic formulations for mating disruption, SPLAT LBAM HD-O and organic Hereon Biotie (biodegradable) were field tested at four point source densities (25, 72, 322, and 500/ha) and compared with the standard Isomate LBAM Plus(500/ha, as a positive control) and an untreated (negative) control. Assessment involved trapping using synthetic lures and virgin females. In total, 175,776 male light brown apple moths were caught to both the caged females and synthetic lures, from 10 February to 19 May 2011. The light brown apple moth catch dramatically decreased from baseline measurements after the treatments were applied, with the highest density treatments reducing catch to below 10% of the catch in the untreated controls within the first week (>90% disruption). In synthetic lure traps, the SPLAT and Biotie treatment performed similarly well over all rates (P = 0.317 for posttreatment percentage communication disruption), but SPLAT performed better at disrupting virgin female traps (P = 0.045). There was a significant increase in disruption with an increasing number of points/ha (P < 0.001). Disruption of communication was similar for all three technologies (SPLAT, Biotie and Isomate) at 500 points/ha for both types of trap (P > 0.74). Disruption of this species in vineyards is thus highly feasible.
机译：浅棕色苹果蛾[Epiphyas postvittana（Walker）]现在在加利福尼亚被确定为一种经济和检疫性害虫，并且正在研究新技术以增加其管理选择。两种用于交配破坏的新有机制剂SPLAT LBAM HD-O和有机Hereon Biotie（可生物降解）在四个点源密度（25、72、322和500 / ha / ha）下进行了现场测试，并与标准的Isomate LBAM Plus（500）进行了比较。 / ha，作为阳性对照）和未处理（阴性）对照。评估涉及使用合成诱剂和未成年雌性进行诱捕。自2011年2月10日至5月19日，总共175,776只雄性浅棕苹果蛾被笼养的雌性和人工诱饵捕获。应用处理后，与基准值相比，浅棕苹果蛾的捕获量显着下降，密度最高在第一周内将捕获量降低到未经处理的对照捕获量的10％以下（干扰大于90​​％）。在合成诱饵诱捕器中，SPLAT和Biotie处理在所有速率下的性能均相似（P = 0.317，用于治疗后的沟通中断百分比），但SPLAT在破坏原始雌性诱捕器方面表现更好（P = 0.045）。随着点数/公顷数量的增加，破坏作用显着增加（P <0.001）。两种陷阱的所有三种技术（SPLAT，Biotie和Isomate）的通信中断均相似，均为500点/公顷（P> 0.74）。因此，在葡萄园中破坏该物种是高度可行的。

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