title: A new test for measuring diapause in the pink bollworm Pectinophora gossypiella Sunders.
abstract: An ELISA test was developed to assay for the presence of a protein, pectinophorin, that is expressed only in diapausing last instar larvae of the pink bollworm, Pectinophora gossypiella Saunders. Use of the test provides a good estimation of the percent of diapause larvae in populations of pink bollworm in cotton fields in California and Arizona. All plow down dates are chosen before the majority of larvae enter diapause so as to eliminate as many overwintering survivors as possible. These dates may now be determined more precisely for any given field by use of the new ELISA procedure.
authors.affiliation: Dept. of Entomology, Ain Shams University, Cairo, Egypt.
authors.forename: M S
authors.initials: MS
authors.lastname: Salama
authors.forename: T A
authors.initials: TA
authors.lastname: Miller
authors.forename: L P
authors.initials: LP
authors.lastname: Schouest
mesh_terms: D000818:Animals; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods; D005216:Fat Body / Q000737:chemistry; D006458:Hemolymph / Q000737:chemistry; D007301:Insect Hormones / Q000032:analysis*; D007814:Larva / Q000737:chemistry / Q000502:physiology; D007915:Lepidoptera / Q000737:chemistry / Q000502:physiology*; D010507:Periodicity
chemical_list: D007301:Insect Hormones