Effects of Pyriproxyfen on Intermediary Metabolism of Rice Striped Stem Borer, Chilo suppressalis Walker (Lepidoptera: Crambidae)

被引：9

作者：

Mirhaghparast S.K. ^{[1
]}

Zibaee A. ^{[1
]}

Hoda H. ^{[2
]}

机构：

[1] Department of Plant Protection, Faculty of Agricultural Sciences, University of Guilan, Rasht

[2] Biological Control Department, Iranian Institute of Plant Protection, Amol

来源：

Proceedings of the National Academy of Sciences, India Section B: Biological Sciences | 2016年 / 86卷 / 1期

关键词：

Chilo suppressalis; Intermediary metabolism; Pyriproxyfen; Rice striped stem borer;

D O I：

10.1007/s40011-014-0436-2

中图分类号：

学科分类号：

摘要：

Effects of Pyriproxyfen were determined on intermediary metabolism in the fifth larval instars of Chilo suppressalis via assessments of various enzymatic and non-enzymatic compounds. Bioassay of larvae revealed LC10–50 values of 18, 72 and 190 µg/ml of pyriproxyfen. Results on alanine aminotransferase revealed lower activities in treated larvae versus control for all time intervals while activity of aspartate aminotransferase showed higher activities in treated larvae by 18 and 72 µg/ml of pyriproxyfen. Activities of γ-Glutamyl transferase and aldolase in treated larvae were significantly higher than those of control larvae. Treating of larvae by different concentrations of pyriproxyfen significantly increased lactate dehydrogenase activity for all time intervals although activity of the enzyme after 1 h was not significantly different among control and treated larvae. Activities of acid and alkaline phosphatases in treated larvae were higher than those of control. Amount of high and low density lipoproteins in treated larvae was higher than those of control except for time interval of 3 h of HDL in which control larvae revealed higher amount than 72 and 190 µg/ml treated larvae. Increased activity of the enzyme was noticed in treated larvae versus control in case of general esterases. Similar results were observed in case of glutathione S-transferase. Amount of triacylglyceride, glycogen and protein in control larvae was higher than those of treated larvae for all time intervals indicating their depletion due to energetic costs of pyriproxyfen treatment. These results clearly indicated negative effects of pyriproxyfen on intermediary metabolism of larvae that might lead to desirable mortality in pest population. © 2014, The National Academy of Sciences, India.

引用

页码：187 / 197

页数：10

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