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| 1 | Rapid solidification processing of magnesium-lithium alloys 显示文摘 | MESCHTE P J JE O'Neal | 1984 | Metallurgical and Materials Transactions A1984，15，1： | 1 |
| 2 | Proline accumulation in response to drought and heat stress in cotton显示文摘 | RONDE J A MESCHT A V D STEYN H S F | 2000 | African Crop Science Journal2000，8，1： | 1 |
| 3 | Changesin free proline concentrations and polyamine levels in potato leaves duringdrought stress显示文摘 | Van der MESCHT A de RONDE J A van der MERWE T | 1998 | South African J Sci1998，94，： | 1 |
| 4 | Cu-Zn superoxide dismutase,glutatione reductase,and ascorbate,peroxidase levels,during drought stress in potato显示文摘 | Van Der Mescht A De Ronde J A y Rossouw F T | 1998 | South African Journal of Science1998，，： | 1 |
| 5 | Chlorophyll fluorescence and chlorophyll content as a measure of drought tolerance in potato 显示文摘 | Mescht V D Ronde J A D Rossouw F T | 1999 | South African J Sci1999，95，9： | 1 |
| 6 | Cu-Zn superoxide dismutase, glutatione reductase and ascorbate, peroxidase levels, during drought stress in potato显示文摘 | Vander Mescht A Ronde J A Rossouw F T | 1998 | South African Journal of Science1998，94，10： | 1 |
| 7 | Changes free praline concentrations and polyamine levels in potato leaves during drought stress显示文摘 | Mescht Anette Ronde D | 1998 | South African Journal of Science1998，94，7： | 1 |
| 8 | How entrepre- neurs deal with ethical challenges:an application of the Syner- gy Star technique 显示文摘 | Robinson D A Davidsson P Mescht H | 2007 | Journal of Business Ethics2007，71，4： | 1 |
| 9 | Chlorophyll fluorescenceand chlorophyll content as a measure of drought tolerance inpotato显示文摘 | Van der Mescht A de Ronde J A | 1999 | South African Journal of Science1999，95，99： | 1 |
| 10 | Cu-Zn superoxide dismutase, glutatione reductase, and ascorbate, peroxidase levels, during drought stress in potato显示文摘 | Van der Mescht A DeRonde J A Rossouw F T | 1998 | SouthAfrican Journal of Science1998，94，10： | 1 |
| 11 | En- hanced drought tolerance in transgenic potato expressing the Arabidopsis thaliana Cu/Zn superoxide dismutase gene:research letter显示文摘 | Van der Mescht A De Ronde J A Slabbert M M | 2007 | South African Journal of Science2007，103，34： | 1 |
| 12 | Chlorophyll fluorescence and chlorophyll content as a measure of drought tolerance in potato显示文摘 | Van der Mescht A de Ronde J A | 1999 | South African Journal of Science1999，95，99： | 1 |
| 13 | Adaptation to a novel host and performance trade-off in host-generalist and host-specific insect ectoparasites显示文摘We investigated the performance trade-offs of fleas(Siphonaptera)while adapting to a novel host using two host generalists(Xenopsylla conformis and Xenopsylla ramesis)and one host specialist(Parapulex chephrenis)maintained on their principal hosts(Meriones crassus for Xenopsylla and Acomys cahirinus for P.chephrenis).We asked whether,over generations,(i)a host generalist may become a specialist by evolving the ability to exploit a novel host and losing the ability to exploit an original host and(ii)a host specialist can become a generalist by evolving the ability to exploit a novel host without losing the ability to exploit an original host.We established an experimental line of each species on a novel host(Acomys russatus for Xenopsylla and M.crassus for P.chephrenis)and maintained this line on this host during 23 generations.We compared reproductive performance of progenitors of each line and their descendants when they exploited either original or novel host in terms of egg number and size,hatching success,offspring production,and offspring size.We found changes in performance over generations in female offspring size only.Xenopsylla conformis demonstrated a tendency to become a host specialist(increased performance on the novel host with a concomitant decreased performance on the original host),whereas P.chephrenis demonstrated a tendency to become a host generalist(increased performance on the novel host without a concomitant decreased performance on the original host).We conclude that the probability of generalist to specialist transition,and vice versa,is context-dependent and varies between species. | Irina S.Khokhlova Luther van der Mescht Elizabeth M.Warburton Nadezhda A.Stavtseva Boris R.Krasnov | 2022 | Insect Science2022，29，2： | 0 |
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