Method of protecting crop plants from phytotoxic side-effects of pesticides which comprises applying to the seed of a crop plant prior to sowing an effective amount of a compound of the formula (I) or a salt thereof, in which R
1
is phenyl which is unsubstituted or substituted, R
2
is (C
1
-C
6
) alkyl, (C
3
-C
6
) cyclalkyl or phenyl, each of the 3 last-mentioned radicals is unsubstituted or substituted, R
3
is hydrogen or a hydrocarbon radical having 1 to 18 C-atoms which is unsubstituted or substituted. The safener of formula (I) is preferably isoxadifen or isoxadifen-ethyl. The seed treated crop plants are safened against the application of pesticides, particularly herbicides applied pre- or postemergent to the cultivation area.
1
保护作物植物免受农药植物毒副作用的方法,包括在播种前向作物植物的种子施用有效量的式 (I) 化合物或其盐,其中 R
1
是未取代或取代的苯基,R
2
是(C
1
-C
6
烷基、(C
3
-C
6
环烷基或苯基,最后提及的 3 个基各自未被取代或被取代,R
3
是氢或具有 1 至 18 个 C 原子的未取代或取代的烃基。式(I)的安全剂最好是
异噁唑禾草灵或乙基
异噁唑禾草灵。经种子处理的作物植物在施用
杀虫剂,特别是在种植区萌芽前或萌芽后施用
除草剂时可获得安全保护。
1