ʻO ka Matrine kahi lāʻau insecticide mea kanu ʻawahia haʻahaʻa. He hana ka insecticide i ka luku ʻana a me ka lāʻau make o ka ʻōpū i nā mea ʻino, a he hopena maikaʻi ka mālama ʻana i ka mea kanu, lāʻau ʻāpala, pulupulu a me nā mea kanu e like me ka kāpeti, ʻaphid, mite ʻāwelewele ʻulaʻula.