Pyrethroid insecticides yog tshuaj lom neeg tshwj xeeb ntawm cov khoom xyaw nquagpom muaj nyob rau hauv ntau cov tshuaj tua kab niaj hnub pom nyob rau hauv khw muag khoom thiab siv los ntawm cov kws tshaj lij tswj kab tsuag. Lub npe pyrethroid txhais tau tias "zoo li pyrethrum" thiab hais txog keeb kwm ntawm cov tshuaj tua kab no.
Yam tshuaj tua kab pyrethroid ua haujlwm li cas?
Pyrethroids yog axonic excitotoxins, cov tshuaj lom neeg uas yog kho los ntawm kev tiv thaiv kev kaw ntawm qhov hluav taws xob-gated sodium channels hauv axonal membranes. Sodium channel yog cov protein membrane nrog hydrophilic sab hauv.
Pyrethroid tua kab dab tsi?
Pyrethrin yog tshuaj tua kab tua kab ntau yam xws li ants, yoov tshaj cum, npauj, yoov thiab yoov. Pyrethrin tua cov kab yuav luag tam sim ntawd thaum sib cuag. Tsuas yog siv Pyrethrin hauv me me, tshuaj tsuag. Koj tsis tas yuav siv ntau.
pyrethroids ua dab tsi rau kab?
Pyrethrins ua rau lub paj hlwb ntawm cov kab uas kov lossis noj nws. Qhov no sai sai ua rau tuag tes tuag taw thiab thaum kawg lawv tuag. Pyrethrins feem ntau sib xyaw nrog lwm cov tshuaj los ua kom lawv cov nyhuv. Qhov thib ob tshuaj no hu ua ib tug synergist.
hom kev ua ntawm pyrethroid yog dab tsi?
Pyrethroids tsom rau lub hauv nruab nrab paj hlwb hauv ob lub hom phiaj thiab cov kab mob uas tsis yog hom phiaj. Lawv lub luag haujlwm tseem ceeb ntawm kev ua haujlwm yog cuam tshuam nrog cov hluav taws xob-gated sodium channels hauv neuronsQhov kev cuam tshuam no ua rau depolarization tshwm sim los ntawm lub sijhawm ntev ntawm sodium ions thaum lub sijhawm excitation.
