Observations on the Peritrophic Membrane of Tortricid and Noctuid Insects and its Role in Susceptibility and Enhancement

Q2 Agricultural and Biological Sciences

The Journal of Agricultural and Urban Entomology Pub Date : 2007-10-01 DOI:10.3954/1523-5475-24.4.195

S. E. Salamouny

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引用次数: 7

Abstract

Abstract Although stilbene fluorecent brighteners have been demonstrated to increase the susceptibilities of many lepidopterous insects to insect viruses, little information exists on the effects of a brightener on the susceptibility of the codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae) and the false codling moth, Cryptophlebia leucotreta Meyrick (Lepidoptera: Tortricidae). In the present study, we tested the effects of the fluorescent brightener 28 (UNPA-GX) on increasing of the insects' susceptibility to a granuloviruses. The bioassay tests showed that brightener did not increase the susceptibility of codling moth neonate larvae and false codling moth larvae to the granulovirus (CpGV). The same result was obtained when the false codling moth GV was tested in presence of brightener against its homologous host. In addition, brightener failed to change the susceptibility of the codling moth to ClGV. In histological sections from the codling moth's midgut, the peritrophic membrane (PM) was fo...

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夜蛾和夜蛾昆虫营养膜的观察及其在敏感性和增强中的作用

虽然已经证明苯乙烯荧光增白剂可以增加许多鳞翅目昆虫对昆虫病毒的敏感性，但关于增白剂对冷蛾Cydia pomonella (L.)(鳞翅目:扁桃科)和假冷蛾Cryptophlebia leucotreta Meyrick(鳞翅目:扁桃科)敏感性的影响知之甚少。在本研究中，我们测试了荧光增白剂28 (UNPA-GX)对增加昆虫对颗粒病毒的敏感性的作用。生物试验结果表明，增白剂对冷蛾幼幼虫和假冷蛾幼虫对颗粒病毒(CpGV)的敏感性没有显著提高。在添加增白剂的情况下，对假冷蛾GV对其同源寄主的抗性进行了实验，得到了相同的结果。此外，增白剂未能改变冷蛾对ClGV的敏感性。在寒蛾中肠的组织学切片上，可观察到周围营养膜(PM)的变化。

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来源期刊

The Journal of Agricultural and Urban Entomology Agricultural and Biological Sciences-Insect Science

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： The Journal of Agricultural and Urban Entomology (JAUE) (Journal of Agricultural Entomology, Jan 1984 - Oct 1998 volumes 1-15) is published under the auspices of the South Carolina Entomological Society (SCES). The Journal publishes contributions of original research concerning insects and other arthropods of agricultural and urban importance to include those affecting humans, livestock, poultry, and wildlife. JAUE is particularly dedicated to the publication of articles and notes pertaining to applied entomology, although it will accept suitable contributions of a fundamental nature related to agricultural and urban entomology.