| fate of quinolizidine alkaloids through three trophic levels:laburnum anagyroides (leguminosae) and associated organisms. | the quinolizidine alkaloids (qa) of golden rain,laburnum anagyroides, and those of phytophagous insects associated with the plant, as well as of parasitoids of the latter, were analyzed by capillary glc and glc-ms. the alkaloid content in samples of vegetative plant parts was high at the beginning of the season, then decreased, while that of reproductive organs was high throughout flowering, pod formation, and maturation. the analyses showed that the qa of the plant passed through two higher tro ... | 1991 | 24257880 |