Pirrolidinonas sustituidas y sus sales y su uso como ingredientes activos herbicidas, en particular para controlar malezas y/o malas hierbas en cultivos de plantas útiles y/o como reguladores del crecimiento de las plantas para influir en el crecimiento de cultivos de plantas útiles. Reivindicación 1: Pirrolidinonas sustituidas de la fórmula (1) o sus sales, en las que Q es un arilo opcionalmente sustituido, heteroarilo, C₃₋₁₀-cicloalquilo o C₃₋₁₀-cicloalquenilo, donde cada anillo o cada sistema de anillos opcionalmente puede estar sustituido con hasta 5 sustituyentes del grupo R⁶; o es un anillo heterocíclico de 5 - 7 miembros opcionalmente sustituido; o es un sistema de anillos bicíclico de 8 - 10 miembros opcionalmente sustituido, en el que cada anillo o cada sistema de anillos está compuesto por átomos de carbono y 1 - 5 heteroátomos, que contienen independientemente hasta 2 átomos de O, hasta 2 átomos de S y hasta 5 átomos de N, donde se pueden seleccionar hasta tres átomos de anillo de carbono independientemente de los grupos C(=O) y C(=S) y los átomos de anillo de azufre además se pueden seleccionar de los grupos S, S(=O), S(=O)₂, S(=NR¹) y S(=NR¹)(=O); donde cada anillo o cada sistema de anillos opcionalmente puede estar sustituido con hasta 5 sustituyentes del grupo R⁶, o Q es C₂₋₁₀-alquenilo, C₂₋₁₀-alquinilo, C₂₋₁₀-haloalquenilo, C₂₋₁₀-haloalquinilo, C₃₋₁₀-halocicloalquenilo, C₁₋₁₀-alquilcarbonilo o C₁₋₁₀-alcoxi-C₁₋₁₀-alquilo, C₁₋₁₀-haloalcoxi-C₁₋₁₀-alquilo; Z representa al grupo de fórmula (2); Y es -C(R⁷)(R⁸)-, oxígeno o NR¹; W¹ y W² son independientemente oxígeno o azufre; R¹ es hidrógeno, amino, hidroxi, ciano, formil, C₁₋₈-alquilo, C₁₋₈-haloalquilo, C₁₋₈-cianoalquilo, C₁₋₈-hidroxialquilo, C₁₋₈-alcoxi-C₁₋₈-alquilo, arilo-C₁₋₈-alquilo, heteroarilo-C₁₋₈-alquilo, heterociclilo-C₁₋₈-alquilo, C₃₋₁₀-cicloalquilo, C₃₋₁₀-cicloalquilo-C₁₋₈-alquilo, C₃₋₈-halocicloalquilo, C₃₋₈-halocicloalquilo-C₁₋₈-alquilo, C₁₋₈-alquilcarbonilo, C₁₋₈-alcoxicarbonilo, C₂₋₈-alquenilo, C₂₋₈-alquinilo, tris-[C₁₋₈-alquil]silil-C₂₋₈-alquinilo, tris-[C₁₋₈-alquil]sililo; R² es hidrógeno, halógeno, hidroxi, C₁₋₈-alquilo, C₁₋₈-haloalquilo, C₁₋₈-hidroxialquilo, C₁₋₈-alcoxi-C₁₋₈-alquilo; R³ es hidrógeno, halógeno, hidroxi, C₁₋₈-alquilo, C₁₋₈-haloalquilo, C₁₋₈-hidroxialquilo, C₁₋₈-alcoxi, C₁₋₈-alcoxi-C₁₋₈-alquilo; R⁴ es C₃₋₁₀-cicloalquilo opcionalmente sustituido, C₃₋₁₀-halocicloalquilo, C₃₋₁₀-cianocicloalquilo, C₁₋₁₀-alquilo-C₃₋₁₀-cicloalquilo, C₁₋₁₀-alcoxi-C₃₋₁₀-cicloalquilo, C₁₋₁₀-haloalcoxi-C₃₋₁₀-cicloalquilo, C₁₋₁₀-alquiltio-C₃₋₁₀-cicloalquilo, arilo-C₃₋₁₀-cicloalquilo, heteroarilo-C₃₋₁₀-cicloalquilo, C₁₋₁₀-alcoxicarbonilo-C₃₋₁₀-cicloalquilo, hidroxicarbonil-C₃₋₁₀-cicloalquilo, C₃₋₁₀-cicloalquilo-C₃₋₁₀-cicloalquilo, C₃₋₁₀-cicloalcanonil, y en donde en el caso de que Q es = fenilo, el radical R⁴ no es ciclopentanilo; R⁵ es hidrógeno, hidroxi, amino, C₁₋₈-alquilo, C₁₋₈-haloalquilo, C₂₋₈-alquenilo, C₃₋₈-alquinilo, C₁₋₈-alcoxi-C₁₋₈-alquilo, C₁₋₈-haloalcoxi-C₁₋₈-alquilo, C₁₋₈-alquiltio-C₁₋₈-alquilo, C₁₋₈-alquilsulfinilo-C₁₋₈-alquilo, C₁₋₈-alquilsulfonilo-C₁₋₈-alquilo, C₁₋₈-alquilcarbonilo, C₁₋₈-haloalquilcarbonilo, C₃₋₈-cicloalquilcarbonilo, C₁₋₈-alcoxicarbonilo, C₂₋₈-haloalcoxicarbonilo, C₄₋₈-cicloalcoxicarbonilo, C₂₋₈-alquilaminocarbonilo, C₃₋₁₀-dialquilaminocarbonilo, C₃₋₁₀-cicloalquilaminocarbonilo, C₁₋₈-alcoxi, C₁₋₈-alquiltio, C₁₋₈-haloalquiltio, C₃₋₈-cicloalquiltio, C₁₋₈-alquilsulfinilo, C₁₋₈-haloalquilsulfinilo, C₃₋₈-cicloalquilsulfinilo, C₁₋₈-alquilsulfonilo, C₁₋₈-haloalquilsulfonilo, C₃₋₈-cicloalquilsulfonilo, C₁₋₈-alquilaminosulfonilo, C₂₋₈-dialquilaminosulfonilo o C₃₋₈-trialquilsililo; R⁶ es hidrógeno, nitro, amino, ciano, tiocianato, isotiocianato, halógeno, C₁₋₈-alquilo, C₃₋₈-cicloalquilo, C₂₋₈-alquenilo, C₂₋₈-alquinilo, arilo, arilo-C₁₋₈-alquilo, arilo-C₂₋₈-alquenilo, arilo-C₂₋₈-alquinilo, arilo-C₁₋₈-alcoxi, heteroarilo, C₁₋₈-alcoxi-C₁₋₈-alquilo, C₁₋₈-hidroxialquilo, C₁₋₈-haloalquilo, C₃₋₈-halocicloalquilo, C₁₋₈-alcoxi, C₁₋₈-haloalcoxi, ariloxi, heteroariloxi, C₃₋₈-cicloalquiloxi, hidroxi, C₃₋₈-cicloalquilo-C₁₋₈-alcoxi, C₁₋₈-alcoxicarbonilo, hidroxicarbonilo, aminocarbonilo, C₁₋₈-alquilaminocarbonilo, C₃₋₈-cicloalquilaminocarbonilo, C₁₋₈-cianoalquilaminocarbonilo, C₂₋₈-alquenilaminocarbonilo, C₂₋₈-alquinilaminocarbonilo, C₁₋₈-alquilamino, C₁₋₈-alquiltio, C₁₋₈-haloalquiltio, hidrotio, C₁₋₈-bis-alquilamino, C₃₋₈-cicloalquilamino, C₁₋₈-alquilcarbonilamino, C₃₋₈-cicloalquilcarbonilamino, formilamino, C₁₋₈-haloalquilcarbonilamino, C₁₋₈-alcoxicarbonilamino, C₁₋₈-alquilaminocarbonilamino, C₁₋₈-dialquilaminocarbonilamino, C₁₋₈-alquilsulfonilamino, C₃₋₈-cicloalquilsulfonilamino, arilsulfonilamino, hetarilsulfonilamino, aminosulfonilo, C₁₋₈-aminohaloalquilsulfonilo, C₁₋₈-alquilaminosulfonilo, C₁₋₈-bisalquilaminosulfonilo, C₃₋₈-cicloalquilaminosulfonilo, C₁₋₈-haloalquilaminosulfonilo, arilaminosulfonilo, arilo-C₁₋₈-alquilaminosulfonilo, C₁₋₈-alquilsulfonilo, C₃₋₈-cicloalquilsulfonilo, arilsulfonilo, C₁₋₈-alquilsulfinilo, C₃₋₈-cicloalquilsulfinilo, arilsulfinilo, N,S-C₁₋₈-dialquilsulfonimidoil, S-C₁₋₈-alquilsulfonimidoil, C₁₋₈-alquilsulfonilaminocarbonilo, C₃₋₈-cicloalquilsulfonilaminocarbonilo, C₃₋₈-cicloalquilaminosulfonilo, arilo-C₁₋₈-alquilcarbonilamino, C₃₋₈-cicloalquilo-C₁₋₈-alquilcarbonilamino, heteroarilcarbonilamino, C₁₋₈-alcoxi-C₁₋₈-alquilcarbonilamino, C₁₋₈-hidroxialquilcarbonilamino, C₁₋₈-trialquilsililo; y R⁷ y R⁸ son independientemente hidrógeno, hidroxi, halógeno, C₁₋₈-alquilo, C₁₋₈-haloalquilo, C₂₋₈-alquenilo, C₂₋₈-alquinilo, C₁₋₈-alcoxi-C₁₋₈-alquilo, C₁₋₈-haloalcoxi-C₁₋₈-alquilo, C₁₋₈-alquiltio-C₁₋₈-alquilo, C₁₋₈-alquilsulfinilo-C₁₋₈-alquilo, C₁₋₈-alquilsulfonilo-C₁₋₈-alquilo, C₁₋₈-alquilcarbonilo, C₁₋₈-haloalquilcarbonilo, C₃₋₈-cicloalquilcarbonilo, C₁₋₈-alcoxicarbonilo, C₂₋₈-haloalcoxicarbonilo, C₃₋₈-cicloalcoxicarbonilo, C₁₋₈-alquilaminocarbonilo, C₁₋₁₀-dialquilaminocarbonilo, C₃₋₁₀-cicloalquilaminocarbonilo, C₁₋₈-alcoxi, C₁₋₈-alquiltio, C₁₋₈-haloalquiltio, C₃₋₈-cicloalquiltio.Substituted pyrrolidinones and their salts and their use as active herbicidal ingredients, in particular to control weeds and / or weeds in useful plant crops and / or as plant growth regulators to influence the growth of useful plant crops. Claim 1: Substituted pyrrolidinones of the formula (1) or salts thereof, wherein Q is an optionally substituted aryl, heteroaryl, C₃₋₁₀-cycloalkyl or C₃₋₁₀-cycloalkenyl, where each ring or each ring system may optionally be substituted with up to 5 substituents of the group R⁶; or is an optionally substituted 5-7 membered heterocyclic ring; or is an optionally substituted 8-10-membered bicyclic ring system, in which each ring or each ring system is composed of carbon atoms and 1-5 heteroatoms, which independently contain up to 2 O atoms, up to 2 atoms of S and up to 5 N atoms, where up to three carbon ring atoms can be selected independently of the C (= O) and C (= S) groups and the sulfur ring atoms can also be selected from the S groups, S (= O), S (= O) ₂, S (= NR¹) and S (= NR¹) (= O); where each ring or each ring system may optionally be substituted with up to 5 substituents of the group R⁶, or Q is C₂₋₁₀-alkenyl, C₂₋₁₀-alkynyl, C₂₋₁₀-haloalkenyl, C₂₋₁₀-haloalkynyl, C₃₋₁₀ -halocycloalkenyl, C₁₋₁₀-alkylcarbonyl or C₁₋₁₀-alkoxy-C₁₋₁₀-alkyl, C₁₋₁₀-haloalkoxy-C₁₋₁₀-alkyl; Z represents the group of formula (2); Y is -C (R⁷) (R⁸) -, oxygen or NR¹; W¹ and W² are independently oxygen or sulfur; R¹ is hydrogen, amino, hydroxy, cyano, formyl, C₁₋₈-alkyl, C₁₋₈-haloalkyl, C₁₋₈-cyanoalkyl, C₁₋₈-hydroxyalkyl, C₁₋₈-alkoxy-C₁₋₈-alkyl, aryl- C₁₋₈-alkyl, heteroaryl-C₁₋₈-alkyl, heterocyclyl-C₁₋₈-alkyl, C₃₋₁₀-cycloalkyl, C₃₋₁₀-cycloalkyl-C₁₋₈-alkyl, C₃₋₈-halocycloalkyl, C₃₋₈- halocycloalkyl-C₁₋₈-alkyl, C₁₋₈-alkylcarbonyl, C₁₋₈-alkoxycarbonyl, C₂₋₈-alkenyl, C₂₋₈-alkynyl, tris- [C₁₋₈-alkyl] silyl-C₂₋₈-alkynyl, tris - [C₁₋₈-alkyl] silyl; R² is hydrogen, halogen, hydroxy, C₁₋₈-alkyl, C₁₋₈-haloalkyl, C₁₋₈-hydroxyalkyl, C₁₋₈-alkoxy-C₁₋₈-alkyl; R³ is hydrogen, halogen, hydroxy, C₁₋₈-alkyl, C₁₋₈-haloalkyl, C₁₋₈-hydroxyalkyl, C₁₋₈-alkoxy, C₁₋₈-alkoxy-C₁₋₈-alkyl; R⁴ is optionally substituted C₃₋₁₀-cycloalkyl, C₃₋₁₀-halocycloalkyl, C₃₋₁₀-cyanocycloalkyl, C₁₋₁₀-alkyl-C alquilo-cycloalkyl, C₁₋₁₀-alkoxy-C₃₋₁₀-cycloalkyl, C₁₋₁₀- haloalkoxy-C₃₋₁₀-cycloalkyl, C₁₋₁₀-alkylthio-C₃₋₁₀-cycloalkyl, aryl-C₃₋₁₀-cycloalkyl, heteroaryl-C₃₋₁₀-cycloalkyl, C₁₋₁₀-alkoxycarbonyl-C₃₋₁₀-cycloalkyl, hydroxycarbonyl- C₃₋₁₀-cycloalkyl, C₃₋₁₀-cycloalkyl-C₃₋₁₀-cycloalkyl, C₃₋₁₀-cycloalcanonyl, and where in the case that Q is = phenyl, the radical R⁴ is not cyclopentanyl; R⁵ is hydrogen, hydroxy, amino, C₁₋₈-alkyl, C₁₋₈-haloalkyl, C₂₋₈-alkenyl, C₃₋₈-alkynyl, C₁₋₈-alkoxy-C₁₋₈-alkyl, C₁₋₈-haloalkoxy- C₁₋₈-alkyl, C₁₋₈-alkylthio-C₁₋₈-alkyl, C₁₋₈-alkylsulfinyl-C₁₋₈-alkyl, C₁₋₈-alkylsulfonyl-C₁₋₈-alkyl, C₁₋₈-alkylcarbonyl, C₁₋ ₈-haloalkylcarbonyl, C₃₋₈-cycloalkylcarbonyl, C₁₋₈-alkoxycarbonyl, C₂₋₈-haloalkoxycarbonyl, C₄₋₈-cycloalkoxycarbonyl, C₂₋₈-alkylaminocarbonyl, C₃₋₁₀-dialkylaminocarbonyl, C₃₋₁₀-cycloalkylaminocarbonyl, C₁₋₈- alkoxy, C₁₋₈-alkylthio, C₁₋₈-haloalkylthio, C₃₋₈-cycloalkylthio, C₁₋₈-alkylsulfinyl, C₁₋₈-haloalkylsulfinyl, C₃₋₈-cycloalkylsulfinyl, C₁₋₈-alkylsulfonyl, C₁₋₈-haloalkylsulfonyl, C₃₋₈-cycloalkylsulfonyl, C₁₋₈-alkylaminosulfonyl, C₂₋₈-dialkylaminosulfonyl or C₃₋₈-tri alkylsilyl; R⁶ is hydrogen, nitro, amino, cyano, thiocyanate, isothiocyanate, halogen, C₁₋₈-alkyl, C₃₋₈-cycloalkyl, C₂₋₈-alkenyl, C₂₋₈-alkynyl, aryl, aryl-C₁₋₈-alkyl, aryl-C₂₋₈-alkenyl, aryl-C₂₋₈-alkynyl, aryl-C₁₋₈-alkoxy, heteroaryl, C₁₋₈-alkoxy-C₁₋₈-alkyl, C₁₋₈-hydroxyalkyl, C₁₋₈-haloalkyl, C₃₋₈-halocycloalkyl, C₁₋₈-alkoxy, C₁₋₈-haloalkoxy, aryloxy, heteroaryloxy, C₃₋₈-cycloalkyloxy, hydroxy, C₃₋₈-cycloalkyl-C₁₋₈-alkoxy, C₁₋₈-alkoxycarbonyl, hydroxycarbonyl, aminocarbonyl, C₁₋₈-alkylaminocarbonyl, C₃₋₈-cycloalkylaminocarbonyl, C₁₋₈-cyanoalkylaminocarbonyl, C₂₋₈-alkenylaminocarbonyl, C₂₋₈-alkylaminocarbonyl, C₁₋₈-alkylamino, C₁₋₈-alkylthio, C₁₋₈-haloalkylthio, hydrotium, C₁₋₈-bis-alkylamino, C₃₋₈-cycloalkylamino, C₁₋₈-alkylcarbonylamino, C₃₋₈-cycloalkylcarbonyl amino, formylamino, C₁₋₈-haloalkylcarbonylamino, C₁₋₈-alkoxycarbonylamino, C₁₋₈-alkylaminocarbonylamino, C₁₋₈-dialkylaminocarbonylamino, C₁₋₈-alkylsulfonylamino, C₃₋₈-cycloalkylsulfonylamino, arylsulfonylamino, hetarylsulfonylamino, aminosulfonyl, C₁₋₈- aminohaloalkylsulfonyl, C₁₋₈-alkylaminosulfonyl, C₁₋₈-bisalkylaminosulfonyl, C₃₋₈-cycloalkylaminosulfonyl, C₁₋₈-haloalkylaminosulfonyl, arylaminosulfonyl, aryl-C₁₋₈-alkylaminosulfonyl, C₁₋₈-alkylsulfonyl, C₃₋₈-cycloalkylsulfonyl, arylsulfonyl, arylsulfonyl, arylsulfonyl C₁₋₈-alkylsulfinyl, C₃₋₈-cycloalkylsulfinyl, arylsulfinyl, N, S-C₁₋₈-dialkylsulfonymidoyl, S-C₁₋₈-alkylsulfonimidoyl, C₁₋₈-alkylsulfonylaminocarbonyl, C₃₋₈-cycloalkylsulfonylaminocarbonyl, C₃₋₈-cycloalkylaminosulfonyl, aryl-C₁₋₈-alkylcarbonylamino, C₃₋₈-cycloalkyl-C₁₋₈-alkylcarbonylamino, heteroarylcarbonylamino, C ₋₈-alkoxy-C₁₋₈-alkylcarbonylamino, C₁₋₈-hidroxialquilcarbonilamino, C₁₋₈-trialkylsilyl; and R⁷ and R⁸ are independently hydrogen, hydroxy, halogen, C₁₋₈-alkyl, C₁₋₈-haloalkyl, C₂₋₈-alkenyl, C₂₋₈-alkynyl, C₁₋₈-alkoxy-C₁₋₈-alkyl, C₁₋ ₈-haloalkoxy-C₁₋₈-alkyl, C₁₋₈-alkylthio-C₁₋₈-alkyl, C₁₋₈-alkylsulfinyl-C₁₋₈-alkyl, C₁₋₈-alkylsulfonyl-C₁₋₈-alkyl, C₁₋₈- alkylcarbonyl, C₁₋₈-haloalkylcarbonyl, C₃₋₈-cycloalkylcarbonyl, C₁₋₈-alkoxycarbonyl, C₂₋₈-haloalkoxycarbonyl, C₃₋₈-cycloalkoxycarbonyl, C₁₋₈-alkylaminocarbonyl, C₁₋₁₀-dialkylaminocarbonyl, C₃₋₁₀-cycloalkylaminocarbonyl, C₁₋₈-alkoxy, C₁₋₈-alkylthio, C₁₋₈-haloalkylthio, C₃₋₈-cycloalkylthio.