Patupatu Ngarara Wai Piretroid

He hanganga hangai te pralletrin o ngā pyrethrin tūturu. He tangohanga te pyrethrin mai i te putiputi Chrysanthemum cinerarilifolium, ā, he kaha ki te patu i ngā pepeke..He nui te pēhanga kohu o te prallethrin, ā, he kaha te patu tere i ngā waeroa, ngā namu, me ētahi atu. E whakamahia ana mō te hanga koiri, whāriki me ētahi atu. Ka taea hoki te hanga heirehu whakamate pepeke, he patu pepeke āerosol. He wai kōwhai, he parauri kōwhai rānei. VP4.67×10-3Pa(20℃), te mātotorutanga d4 1.00-1.02. Kāore e wairewa i roto i te wai, engari e wairewa ana i roto i ngā whakarewa waro pērā i te hinu kakara, te etanoru, me te xylene. He pai tonu te kounga mō ngā tau e 2 i te pāmahana noa. Ka taea e te kawakore, te ultraviolet te pirau. Kei a iaKāore he paitini ki ngā kararehe whakangoteā, kāore he pānga kiHauora Tūmatanui.