botanical pesticides的用法和样例：
例句
- These results would be a base for protection of the rice culture with the phytochemical pesticides.
本研究为开发防治稻曲病的植物源农药奠定了基础。 - Nowadays, the plants of compositae genus play an important role in the study on plant-source pesticides as well as application as insecticide and germicide in ancientry.
菊科植物是传统杀虫抑菌植物，在植物源农药的开发中也发挥了重要的贡献。
