The Amino Acid Requirements of the Pink Bollworm

Abstract
The growth and development of the bollworm (Pectinophora gossypiella) on media containing various amino acids as a source of nitrogen is described. Optimum development was observed on a medium with an amino acid mixture based upon the composition of cottonseed protein. Arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine were found to be indispensable, but on a medium containing only these amino acids growth was slow and the adults were small. The inclusion of certain dispensable amino acids in the diets was necessary for optimum growth and development.

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