ANTIFEEDANT ACTIVITY OF DIHYDRO-BETA-AGAROFURAN SESQUITERPENES FROM CELASTRACEAE AGAINST SPODOPTERA-LITTORALIS

被引：23

作者：

GONZALEZ, AG ^{[1
]}

JIMENEZ, IA ^{[1
]}

RAVELO, AG ^{[1
]}

BELLES, X ^{[1
]}

PIULACHS, D ^{[1
]}

机构：

[1] CSIC,CTR INVEST DESARROLLO,BARCELONA,SPAIN

来源：

BIOCHEMICAL SYSTEMATICS AND ECOLOGY | 1992年 / 20卷 / 04期

关键词：

MAYTENUS-CANARIENSIS; M-MAGELLANICA; M-CHUBUTENSIS; ORTHOSPHENIA-MEXICANA; RZEDOWSKIA-TOLANTONGUENSIS; CELASTRACEAE; DIHYDRO-BETA-AGAROFURAN SESQUITERPENES; SPODOPTERA-LITTORALIS; LEPIDOPTERA; NOCTUIDAE; ANTIFEEDANT ACTIVITY;

D O I：

10.1016/0305-1978(92)90042-C

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Fifteen dihydro-beta-agarofuran sesquiterpenes from different species of Celastraceae were assayed for possible antifeedant activity against Egyptian cotton leafworm Spodoptera littoralis (Boisduval) larvae, using the leaf disk method. The activity was evaluated by calculating the feeding ratio (FR) from the relationship between the consumed areas of treated disks (CTD) and control disks (CCD) at regular intervals; for comparison purposes a FR50 (50% of CCD) was established. In general, the compounds exhibited moderate-to-low antifeedant activity. Compound 4 (9-alpha-benzoyloxy-8-alpha,2-methylbutyroyloxy-1-alpha,6-beta,15-triacetoxy-4-beta-hydroxydihydro-beta-agarofuran) was the most active of the series. At a dose of 0.10-mu-g cm-2, this compound gave a FR50 = 0.23 and in non-choice test conditions, nearly 100% leaf disk protection.

引用

页码：311 / 315

页数：5

共 32 条

[1] WILFORDINE, AN INSECTICIDAL ALKALOID FROM TRIPTERYGIUM-WILFORDII HOOK [J].