Noun:
-
American and Asiatic aromatic herbs and shrubs with viscid foliage
- The true alkaloid nicotine in Nicotiana functions as an allomone against many insect species.
烟草属中的真生物碱，烟碱作为利已激素，能防治许多昆虫。
- Toxicity was reduced when Nicotiana trichome exudates were removed by various washing methods.
当通过不同洗涤方法除去烟草属毛状体的分泌物时，毒力降低。
