Phthorimaea operculella
National Institutes of Health
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Among 6 laboratory hosts tested, the egg-larval parasitoidChelonus blackburni Cameron completed its development in only 3;Corcyra…
SummaryExperiments with ten potato varieties revealed that soft rot due toErwinia carotovora var.atroseptica is the major factor…
SummaryInspired by the breeding technique ofFinney, Flanders andSmith, the one which we have elaborated can be carried out by a…
During the summer of 1945 the author was given the opportunity to study the effect of DDT, a new touch insecticide, on certain…