Nutrition of the european corn borer, ostrinia nubilalis (hübn.) v. ascorbic acid as the corn leaf factor¹
1964
Chippendale, G. Michael | Beck, Stanley D.
The European corn borer, Ostrinia nubilalis (Hübn.), has been reared satisfactorily on a meridic diet containing no crude plant material. Ascorbic acid has been shown to be a necessary component of this diet for normal development of the larvae. Evidence is presented of the identity of the corn leaf factor (CLF), contained in spray-dried alfalfa juice, with ascorbic acid. The larvae grew better on a wheat germ supplemented diet than on the diets in which wheat germ was replaced with powdered cellulose, vitamin-free casein and corn oil or wheat germ oil. These data suggested that another factor, present in wheat germ, was required for optimal larval growth.
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