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人工繁殖白蛾黑基啮小蜂最适交配期和暴露期的选择(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2012年02期
Page:
73-76
Column:
研究论文
publishdate:
2012-04-10

Article Info:/Info

Title:
Choice of the optimum period of mating and exposure in artificial production of Tetrastichus nigricoxae Yang
Author(s):
GUO Tongbin1 LIANG Bo1 YANG Zhonglin2 SONG Minghui1 DU Wei1 WANG Hucheng1
1. Xuzhou City Forest Pest Management and Quarantine Station, Xuzhou 221009, China; 2. Xuzhou City Administration Station of Forest Policy and Resources, Xuzhou 221009, China
Keywords:
Tetrastichus nigricoxae Micromelalopha troglodyta Antheraea pernyi mating time exposure period artificial production
Classification number :
S763; Q968
DOI:
10.3969/j.jssn.1000-2006.2012.02.015
Document Code:
A
Abstract:
Artificial production experiments were made to determine the optimum period of mating and exposure for the laboratory production of Tetrastichus nigricoxae with Antheraea pernyi pupae as hosts(host pupa: parasitoid ratio=1:100). The results showed that when the mating time of wasp 48-72 h after exiting the host pupae, parasitism capability such as parasitism rate(93.3%-94.2%), eclosion rate(87.5%-90.8%)and average number of offspring per host(1 010.4-1 213.3)were significantly higher than that of wasp which mating time were 24 h(p<0.05), 0 h and 96-144 h(p<0.01). The parasitism(87.5%-95.8%), eclosion(86.7%-95.8%)and average number of offspring(1 274.5-1 365.6)were significantly higher than other exposure time(p<0.05). When pupae were exposure for 2-3 d. Considering the effect of wasp age to parasitism, the optimum period of mating and exposure for the laboratory production were 2 d after exiting the host pupae and 2-3 d respectively.

References

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Last Update: 2012-04-10