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Oviposition and development response of perilla seed bugs ( Nysius sp.) (Heteroptera: Lygaeidae) to five crop seeds
Journal of Applied Entomology ( IF 1.9 ) Pub Date : 2020-08-25 , DOI: 10.1111/jen.12814
Rameswor Maharjan 1 , Youngnam Yoon 1 , Yunwoo Jang 1 , Mihye Jeong 1 , Tae‐Wook Jung 1 , Tae J. Ha 2 , Jae E. Park 2 , Hyun S. Cho 2 , Hwijong Yi 1
Affiliation  

The perilla seed bugs, Nysius plebeius Distant and Nysius hidakai Nakatani, are emerging pests of perilla crop in Korea. Here, we investigated the life‐history variables of N. plebeius and N. hidakai on five commonly grown crop seeds: perilla [Perilla frutescens (L.) Britt.], sesame (Sesamum indicum L.), sorghum [Sorghum bicolor (L.)], proso millet (Panicum miliaceum L.) and foxtail millet (Setaria italic L.). Bug oviposition, total developmental period, adult emergence, adult longevity and adult weight of both Nysius species were determined in both choice and no‐choice tests. The oviposition and development periods of N. plebeius and N. hidakai varied significantly among seed species. The most preferred seed species for oviposition were perilla seeds, followed by sesame, sorghum and foxtail millet, whereas proso millet seeds were the least preferred. The bugs development period was faster in perilla seeds, with higher adult emergence, greater adult longevity and heavier adult weight. The higher oviposition preference and faster development with longer longevity of both Nysius species on perilla seeds is probably due to the physicochemical and nutritional attributes of the seeds. This information may enable the exploration of resistant genetic materials and chemical traits associated with seeds for breeding programme. Further, the outcomes of this study are discussed in terms of bug's behavioural response to crop seeds and management strategy of Nysius species as alternative to chemical management.

中文翻译:

紫苏种虫(Nysius sp.)(异翅目:Lygaeidae)对五种作物种子的产卵和发育反应

紫苏籽虫 Nysius plebeius Distant 和 Nysius hidakai Nakatani 是韩国紫苏作物的新兴害虫。在这里,我们研究了 N. plebeius 和 N. hidakai 在五种常见作物种子上的生活史变量:紫苏 [Perilla frutescens (L.) Britt.]、芝麻 (Sesamum indicum L.)、高粱 [Sorghum bicolor (L.) .)]、小米 (Panicum miliaceum L.) 和谷子 (Setaria italic L.)。两种 Nysius 物种的虫产卵、总发育期、成虫出现、成虫寿命和成虫体重均在选择和非选择测试中确定。N. plebeius 和 N. hidakai 的产卵和发育时期在种子种之间存在显着差异。最喜欢产卵的种子种类是紫苏种子,其次是芝麻、高粱和谷子,而 proso 小米种子是最不受欢迎的。紫苏种子的虫子发育期更快,成虫羽化率更高,成虫寿命更长,成虫体重更重。两种 Nysius 物种在紫苏种子上的较高的产卵偏好和更快的发育可能是由于种子的物理化学和营养属性。这些信息可能有助于探索与育种计划种子相关的抗性遗传材料和化学特性。此外,本研究的结果还讨论了昆虫对作物种子的行为反应和 Nysius 物种作为化学品管理替代方案的管理策略。两种 Nysius 物种在紫苏种子上的较高的产卵偏好和更快的发育可能是由于种子的物理化学和营养属性。这些信息可能有助于探索与育种计划种子相关的抗性遗传材料和化学特性。此外,本研究的结果还讨论了昆虫对作物种子的行为反应和 Nysius 物种作为化学品管理替代方案的管理策略。两种 Nysius 物种在紫苏种子上的较高的产卵偏好和更快的发育可能是由于种子的物理化学和营养属性。这些信息可能有助于探索与育种计划种子相关的抗性遗传材料和化学特性。此外,本研究的结果还讨论了昆虫对作物种子的行为反应和 Nysius 物种作为化学品管理替代方案的管理策略。这些信息可能有助于探索与育种计划种子相关的抗性遗传材料和化学特性。此外,本研究的结果还讨论了昆虫对作物种子的行为反应和 Nysius 物种作为化学品管理替代方案的管理策略。这些信息可能有助于探索与育种计划种子相关的抗性遗传材料和化学特性。此外,本研究的结果还讨论了昆虫对作物种子的行为反应和 Nysius 物种作为化学品管理替代方案的管理策略。
更新日期:2020-08-25
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