preparation for fumigation pesticide liquid to heat and process for combating harmful insects by fumigation for fall

摘要

PURPOSE: Provided is a liquid pesticide which stably achieves heat fumigation and consequently show stable pesticide effects. CONSTITUTION: The liquid pesticide for heating fumigation contains: (a) 0.01-20 wt.% pyrethroid compound, (b) 0.03-15 wt.% dihydric alcohol having a boiling point of 180-260 deg.C or hydroxyether having a boiling point of 180-260 deg.C: and (c) 65-99.96 wt.% saturated hydrocarbon having a boiling point of 180-310 deg.C. Wherein, the dihydric alcohol is an ether compound represented by the formula(1) in which R1 is C1-C4 alkyl, R2 is methyl or hydrogen and n is an integer of 1-3.