| Ecdysteroids in the larvae of Opogona sacchari （Bojer）, a invasive alien pest |
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| 作者姓名： | WANG FangHai ZHANG GuRen WEN RuiZhen HE GuoFeng |
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| 作者单位： | State Key Laboratory for Biological Control ＆ Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China |
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| 基金项目： | Supported by the Natural Science Foundation of China （Grant No. 39870476）, the Natural Science Foundation of Guangdong Province （Grant Nos. E039254 ＆ 031626） and the Scientific and Technological Plan of Zhuhai city （Grant No. PC20051046）.Many thanks to Prof. Sehnal from Institute of Entomology, Academy of Science, Czech Republic for providing technical help, |
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| 摘 要： | In order to understand the composition and quantitative variation of ecdysteriods in the larvae of Opogona sacchari (Bojer), a invasive alien pest, we analyzed the larval ecdysteroid composition and titers in this pest. The main component of ecdysteriods in the larvae of O. sacchari is 20-hydroxyecdysone, and also there is a little 26-hydroxyecdysone. The titer of ecdysteriods in the larvae from the 1st instar to the 7th instar was gotten higher gradually compared on ng ecdyster-oid/larva, but no regularity could be found about the titer if compared on ng ecdysteroid/g avoirdupois. There was only one peak of ecdysteroids (0.5475 ng/larva) showed at day 2 during the developmental time of the 6th instar larvae. However, there were two peaks appearing during the developmental time of the 7th instar larvae , one peak (0.29415 ng/larva) at day 3, another (0.214 ng/larva) at day 5.
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| 关 键 词： | 外来生物 幼虫 害虫 植物 |
| 收稿时间： | 16 September 2006 |
| 修稿时间： | 2006-09-162006-11-11 |
Ecdysteroids in the larvae of <Emphasis Type="Italic">Opogona sacchari</Emphasis> (Bojer), a invasive alien pest |
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| WANG FangHai ZHANG GuRen WEN RuiZhen HE GuoFeng.Ecdysteroids in the larvae of Opogona sacchari (Bojer), a invasive alien pest[J].Chinese Science Bulletin,2007,52(2):205-208. |
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| Authors: | Wang FangHai Zhang GuRen Wen RuiZhen He GuoFeng |
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| Institution: | (1) State Key Laboratory for Biological Control & Institute of Entomology, Sun Yat-sen University, Guangzhou, 510275, China |
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| Abstract: | In order to understand the composition and quantitative variation of ecdysteriods in the larvae of Opogona sacchari (Bojer), a invasive alien pest, we analyzed the larval ecdysteroid composition and titers in this pest. The main component of ecdysteriods in the larvae of O. sacchari is 20-hydroxyecdysone, and also there is a little 26-hydroxyecdysone. The titer of ecdysteriods in the larvae from the 1st instar to the 7th instar was gotten higher gradually compared on ng ecdyster-oid/larva, but no regularity could be found about the titer if compared on ng ecdysteroid/g avoirdupois. There was only one peak of ecdysteroids (0.5475 ng/larva) showed at day 2 during the developmental time of the 6th instar larvae. However, there were two peaks appearing during the developmental time of the 7th instar larvae , one peak (0.29415 ng/larva) at day 3, another (0.214 ng/larva) at day 5. |
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| Keywords: | Opogona sacchari ecdysteroids larvae |
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