Inherited sterility in insects
Inherited sterility in insects
复制标题
DOI：
10.1007/1-4020-4051-2_5
复制
发表时间：
2005-01-01
期刊：
影响因子：
--
通讯作者：
Marec, F.
中科院分区：
文献类型：
--
作者：
Carpenter, J. E.;Bloem, S.;Marec, F.
与完全不育相比，导致鳞翅目和其他一些节肢动物遗传不育（IS）的独特遗传现象为害虫防治提供了优势。鳞翅目雌性通常比同一物种的雄性对辐射更敏感。这样可以调整辐射剂量以满足计划要求。当部分不育的雄性与野生雌性交配时，辐射引起的有害影响会由 F1 代遗传。结果，卵孵化减少，产生的后代高度不育且主要是雄性。与在鳞翅目中实现完全不育所需的高辐射相比，用于诱导 F1 不育的较低剂量的辐射提高了释放昆虫的质量和竞争力，这通过改善释放后的扩散、增强的交配能力和优异的精子竞争来衡量。田间产生的 F1 不育后代增强了释放的部分不育雄性的功效，并提高了与其他害虫控制策略的兼容性。此外，F1不育后代可用于增加天敌产量，并研究外来鳞翅目害虫的潜在寄主和地理范围。
The unique genetic phenomena responsible for inherited sterility (IS) in Lepidoptera and some other arthropods, as compared with full sterility, provide advantages for pest control. Lepidopteran females are usually more sensitive to radiation than males of the same species. This allows the radiation dose to be adjusted to suit programme requirements. When partially sterile males mate with wild females, the radiation-induced deleterious effects are inherited by the F1generation. As a result, egg hatch is reduced and the resulting offspring are both highly sterile and predominately male. Compared with the high radiation required to achieve full sterility in Lepidoptera, the lower dose of radiation used to induce F1sterility increases the quality and competitiveness of the released insects as measured by improved dispersal after release, increased mating ability, and superior sperm competition. F1sterile progeny produced in the field enhance the efficacy of released partially sterile males, and improve compatibility with other pest control strategies. In addition, F1sterile progeny can be used to increase the production of natural enemies, and to study the potential host and geographical ranges of exotic lepidopteran pests.