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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES   Fall 2003 , Volume 9 , Number 3; Page(s) 1 To 10.
 
Paper: 

COMPARISON OF REPRODUCTIVE PROPERTIES OF NATURAL AND LABORATORY REARED TRICHOGRAMMA BRASSICAE BEZD (HYM., TRICHOGRAMMATIDAE)

 
 
Author(s):  ATARAN M.R., SHOJAI M., EBRAHIMI E.
 
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Abstract: 

The reproductive properties of T. brassicae Bezd. That collected from eggs of natural host (WT), Ostrinia nubilalis Hubner and wasp that reared after five generations in the laboratory (LR) on eggs of Sitotroga cerallela Olivier as a factitious host was studied and compared in laboratory condition, with use of this data, the stable population parameters stimated. Results showed that the most evaluated parameters in WT were superior and better than LR with exceptional; longevity. The longevity of LR female wasp (6.59 days) was significantly higher than WT females (5.23 days). Intrinsic rate of increase (rm) estimated 0.315 and 0.2989 for WT and LR respectively. Average of total life oviposition were 77.65 & 68.38 and sex ratio were 68.5 & 67.9 percent of female for WT and LR wasps respectively and had no significant differences. The most eggs of females were laid in the first day of adult longevity (60.74% and 49.66% of total oviposition for WT and LR respectively).

 
Keyword(s): TRICHOGRAMMA BRASSICAE BEZD., REPRODUCTOVE PROPERTIES
 
References: 
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