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Nair GA El-Ammari Nel-A Bushaiba SS 《Journal of environmental biology / Academy of Environmental Biology, India》2006,27(3):607-608
The effects of four concentrations (25, 50, 75, 100%) of spinach homogenate filtrate over a period of 96 hours on the body mass and transpiration rates of the pulmonate slug Milax rusticus, a crop pest found in Benghazi, Libya, are reported. A decrease in body mass and transpiration rate in filtrate treated slug over time was evident and the differences in these factors between control and treated slug were significant (p < 0.01). Tendencies for regaining lost weight and increase in transpiration were observed in the filtrate treated slugs during their seven days of recovery period in normal conditions. Application of spinach homogenate filtrate as a possible contact slugicide of M. rusticus is suggested. 相似文献
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Tom Tregenza Fathi Attia Saleh Salem Bushaiba 《Behavioral ecology and sociobiology》2009,63(6):817-823
Differences among males in their success in achieving fertilisations when females mate with more than one partner are now
recognised as an important target of sexual selection. However, very few studies have attempted to determine whether particular
males are consistently successful in sperm competition and whether success in sperm competition is a heritable trait. Additionally,
the potential heritability of female traits that influence the outcome of sperm competition has received only limited attention.
Using the polyandrous beetle Tribolium castaneum, we examined repeatability of male success in sperm competition by mating pairs of males carrying different visible genetic
markers to a string of different females. Males showed consistency in their ability to successfully transfer sperm to females,
but not in their success in sperm competition. Furthermore, when we independently compared success in sperm competition of
fathers with their sons, we found no evidence for heritability of this trait. Similarly, females that exhibited high or low
first male sperm precedence did not tend to have daughters that showed the same pattern. Our results suggest that we should
be wary of assuming that success in sperm competition is heritable through either sex. 相似文献
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