| 利用松毛虫赤眼蜂共寄生柞蚕卵繁育玉米螟赤眼蜂 |
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| 引用本文：田春雨,侯洋旸,臧连生,阮长春.利用松毛虫赤眼蜂共寄生柞蚕卵繁育玉米螟赤眼蜂.植物保护学报,2019,46(2):451-457 |
| DOI：10.13802/j.cnki.zwbhxb.2019.2018017 |
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| 中文摘要:为明确玉米螟赤眼蜂Trichogramma ostriniae Pang et Chen与松毛虫赤眼蜂T.dendrolimi Matsumura共寄生柞蚕Antheraea pernyi（Guérin-Méneville）卵后能否借助松毛虫赤眼蜂在柞蚕卵上的羽化孔顺利出蜂，在不同温度（20、23、26、29、32℃）、相对湿度（50%、60%、70%、80%、90%）以及光照周期（L∶D=24∶0、19∶5、14∶10、10∶14、5∶19、0∶24）条件下对这2种赤眼蜂共寄生柞蚕卵的各项生物学参数进行了比较分析。结果表明：利用松毛虫赤眼蜂与玉米螟赤眼蜂共寄生柞蚕卵可以提高玉米螟赤眼蜂的羽化率，在温度为26℃时，2种赤眼蜂对柞蚕卵的寄生率达90.0%，羽化率达96.8%，单卵玉米螟赤眼蜂出蜂数达到最高，为3.8头；相对湿度为80%时，2种赤眼蜂对柞蚕卵的寄生率达83.3%，羽化率达92.0%，单卵玉米螟赤眼蜂出蜂数达到最高，为6.5头；光照条件为L 24 h：D 0 h时，2种赤眼蜂对柞蚕卵的寄生率达93.3%，羽化率达96.4%，单卵玉米螟赤眼蜂出蜂数达到最高，为6.9头。表明利用松毛虫赤眼蜂和玉米螟赤眼蜂共寄生柞蚕卵的方法可以实现柞蚕卵正常繁育玉米螟赤眼蜂。 |
| 中文关键词:赤眼蜂 柞蚕 环境条件 共寄生 大量繁育 |
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| Rearing Trichogramma ostriniae on the eggs of Chinese oak silkworm, Antheraea pernyi through multiparasitism with Trichogramma dendrolimi |
| Author Name | Affiliation | E-mail | | Tian Chunyu | Jilin Engineering Research Center of Biological Control, Institute of Biological Control, Jilin Agricultural University, Changchun 130118, Jilin Province, China | | | Hou Yangyang | Jilin Engineering Research Center of Biological Control, Institute of Biological Control, Jilin Agricultural University, Changchun 130118, Jilin Province, China | | | Zang Liansheng | Jilin Engineering Research Center of Biological Control, Institute of Biological Control, Jilin Agricultural University, Changchun 130118, Jilin Province, China | lsz0415@163.com | | Ruan Changchun | Jilin Engineering Research Center of Biological Control, Institute of Biological Control, Jilin Agricultural University, Changchun 130118, Jilin Province, China | |
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| Abstract:In order to clarify whether Trichogramma ostriniae Pang et Chen could be reared through multiparasitism with Trichogramma dendrolimi Matsumura on Antheraea pernyi (Guérin-Méneville) eggs, the possibility to enhance adult emergence of T. ostriniae by utilizing emergence holes made by T. dendrolimi during multiparasitism on host eggs under different temperatures (20, 23, 26, 29, 32℃), relative humidities (50%, 60%, 70%, 80%, 90%) and light regimes (24:0, 19:5, 14:10, 10:14, 5:19, 0:24 L:D) were evaluated. The results showed that multiparasitism in host eggs of A. pernyi significantly facilitated the emergence of T. ostriniae adults, but there was significant difference in the adult emergence under different environmental conditions. The parasitism rate and emergence rate reached 90.0% and 96.8%, respectively, during multiparasitism in A. pernyi eggs under 26℃, and T. ostriniae had the highest emergence rate at 3.8 adults per egg. The parasitism rate and emergence rate reached 83.3% and 92.0%, respectively, during multiparasitism in host eggs under the relative humidity 80%, and T. ostriniae had the highest emergence rate at 6.5 adults per egg. The parasitism rate and emergence rate reached 93.3% and 96.4%, respectively, during multiparasitism in host eggs at L 24 h:D 0 h, and T. ostriniae emerged at the highest rate of 6.9 adults per egg. The study demonstrated that T. ostriniae could be reared through multiparasitism with T. dendrolimi on A. pernyi eggs. |
| keywords:Trichogramma Antheraea pernyi environmental condition multiparasitism massive production |
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