Abstract: The present invention relates to novel 4-amino-2-quinolinone derivatives of the formula (I) useful in agriculture, especially as fungicides, insecticides and herbicides ##STR1## wherein, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently hydrogen, halogen, C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 haloalkyithio, NO.sub.2, CN, C.sub.1 -C.sub.4 alkoxy carbonyl, phenyl, phenoxy, benzoyl, benzenesulfonyl, benzyl or morpholine; R.sub.5 is hydrogen, C.sub.1 -C.sub.6 alkyl, cyclopropyl, phenyl, halophenyl, benzyl or phenylthiomethyl; R.sub.6 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.3 -C.sub.6 alkenyl or C.sub.3 -C.sub.6 alkynyl; and R.sub.7 is ##STR2## wherein, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12, R.sub.13, R.sub.14, R.sub.15, R.sub.16, R.sub.17, R.sub.18, R.sub.19, R.sub.20, X, Y, m, n, p and q are defined within the description.