… JH regulation theory proposes that diapausing larvae, unlike diapausing pupae, retain actively
secreting corpora allata and that JH … for JH identification showed the following JH titers (…

… or an implantation of active corpora allata, suggesting that JH was more rapidly metabolized
than was the JH mimic. The oxygen consumption of diapausing larvae which had received …

… was based on the response of larvae to JH and JH mimic treatments … In the present
paper we have examined further whether JH is involved in regulating the larval diapause of 0. …

… John H Chippendale, Partner 1963-1992 … The team of Drs Howat, Chippendale, Lomax,
Higton, Longden, Paton and Eckersley of 1985 was a far cry from Dr Aitken working on his …

… endogenous JH had dissipated, received JH mimic and β-ecdysone applications. Under
these conditions JH mimic 1662 showed the highest activity (Chippendale & Yin, unpublished). …

… juvenile hormone (JH) has been … CHIPPENDALE, 1976), we examined the effect of JH on
the build up and utilization of DAP using larvae which had been allatectomized or received JH …

… While several factors are involved in regulating the JH titer of the plasma including the rate
of JH synthesis, tissue uptake, and excretion, we examined whether any differences were …

… These findings further support our hypothesis that JH regulates the initiation and maintenance
of larval diapause of the southwestern corn borer, and document another function for this …

… We conclude that a relatively high JH titre is required to maintain larval diapause. It appears
that the decline of JH titre rather than the reactivation of prothoracic glands late in larval …

… diapause (Yin and Chippendale, 1979b), and JH esterases may moderate the JH tltre at the
… grandtosella is about 2 x 10 -8 M (Yin and Chippendale, 1979a), most of the JH present in …