Dehydrojuvabione - a new coupoumd wiih juvenile hormone activity from balsam fir

Cerný, Y.; Dolejš, L.; Lábler, L.; Šorm, F.; Sláma, Karel

doi:10.1016/s0040-4039(00)90635-x

Cited by 36 publications

(7 citation statements)

References 4 publications

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“…The size, thickness, and roughness of the pupal cuticle varied with the extract and the individual pupa. Juvenile hormone-like action of balsam fir extracts has already been reported by Bowers et al (1966) and Cerny et al (1967). A thick and rough patch of typical type-3 second pupal cuticle surrounded by the normal adult cuticle is seen in 7-day-old pharate adults treated earlier with balsam wood extract.…”

Section: Resultssupporting

confidence: 54%

“…Balsam wood and cedar wood extracts were about 55 and 33% as active as farnesyl methyl ether; the rest of the wood and bark extracts showed only noticeable activity. Juvenile hormone-like action of balsam fir extracts has already been reported by Bowers et al (1966) and Cerny et al (1967).…”

Section: Resultsmentioning

confidence: 60%

“…; the methyl estcr of rodomatuic acid (Bowers et al 1966). Recently Cerny et al (1967) dlemnnstrated the -presence of two active components in the purified wood extract of' balsam fir from Czechoslovakia. Recently Cerny et al (1967) dlemnnstrated the -presence of two active components in the purified wood extract of' balsam fir from Czechoslovakia.…”

Section: Introductionmentioning

confidence: 99%

“…Law et al (1966) synthesized a ferncsoic acid derivative which had a wide range of juvenile hormone-like a c t i v i t~~ for several orders of insects. Recently Cerny et al (1967) dlemnnstrated the -presence of two active components in the purified wood extract of' balsam fir from Czechoslovakia. One component was identical with juvabione; the main component, however, was dehydrojuvabione which was more active than the former.…”

Section: Introductionmentioning

confidence: 99%

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Juvenile Hormone Activity in the Wood and Bark Extracts of Some Forest Trees

1970

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THE CANADIAN ENTO>lOLOGIS~ 49 and the tacks replaced. The cage is loaded with moths through the watering port (0). The cage is rotated by supporting it on two revolving parallel steel shafts (X) covered with rubber hose (Y) (Figs. 1, 2, 9). The rubber hose prevents the cage from slipping during rotation. The steel shafts are rotated at a speed that will result in about four complete revolutions of the cage per hour. Increasirlg the numbers of revolutions per hour reduces the numbers of eggs laid per female because the moths are disturbed too nlucll bv the faster moving oviposition paper. Under our methods of operation (moths exposed to natural sunlight at 2622°C and about 70% R.H., and the watering wick remoistened daily) total egg recovery over a 7-day period was approximately 90 eggs per female when the cage was loaded with 900 male and 900 female moths. However, the optimum numbers of moths per cage have not been established. Cages smaller than the one described here yielded more eggs per female, but the slightly increased yield did not justify the extra work involved in handling the larger numbers of cages. The cage described here could easily be adapted for many other insect species.Reference . 1966. Oviposition cage for the tobacco budworm and the corn earworm. 1. econ. Ent. 59: 1290. AbstractCan. Ent. 102: 49-53 (1970) Wood and bark extracts from balsam fir, red cedar, spruce, hemlocli, and pine were assayed for juvenile hormone-mimicking activity on pupae of the wax moth. All the extracts showed noticeable activity; the woad extracts were generally more active than the bark extracts. The results suggest that the purification of the extracts from these conifers might lead to, the isolation of compounds with high hormone-mimicking potential.

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Section: Resultssupporting

confidence: 54%

Section: Resultsmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Juvenile Hormone Activity in the Wood and Bark Extracts of Some Forest Trees

1970

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“…against stable flies and a variety of other insect pests (Mansingh et al, 1970;Bowers et ai, 1966;Cerny et al, 1967;Slama and Williams, 1966;Williams and Slama, 1966). A number of plant extracts, however, A. calamus, O. sanctum demonstrated some IGR activity when applied in higher concentrations.…”

Section: Discussionmentioning

confidence: 99%

Insect growth regulatory activity of some indigenous plant extracts

Deshmukh¹,

Renapurkar

1987

Int. J. Trop. Insect Sci.

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Insect growth regulating properties of petroleum ether extracts of 10 indigenous plants were tested against Culex pipiens fatigans (Wied) and Musca domestica nebulo (Fabr) by continuous exposure and topical application methods. Out of the 10 plants, Acorus calamus and Azadirachta indica demonstrated insect growth regulatory (IGR) activity against C. p. fatigans and also against M. d. nebulo.There was IGR activity, but this was observed only when these extracts were used in higher concentration.Resume-Insecte produit regler accessoires de petrole ether des dix plantes daus indegines avaient epreuve avait font usage Culex pipiens (Wied) fatigans et Musca domestica nebulo (Fabr) continue et l'application parmi des dix plantes, Acorus calamus et Azadirachta indica ont demontre l'activite de le progress des insect es reglementaires parmi C. p. fatigans. Ces plantes n'ont par revele IGR activite de le progress M. domestica des insectes reglementaires prami a la concentration inferieur mair les ont trouve a posseder IGR a la concentration superieur.

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Total Synthesis of Sequiterpenes

Heathcock

1973

Total Synthesis of Natural Products

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Dehydrojuvabione - a new coupoumd wiih juvenile hormone activity from balsam fir

Cited by 36 publications

References 4 publications

Juvenile Hormone Activity in the Wood and Bark Extracts of Some Forest Trees

Juvenile Hormone Activity in the Wood and Bark Extracts of Some Forest Trees

Insect growth regulatory activity of some indigenous plant extracts

Total Synthesis of Sequiterpenes

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