PL203523B1 - Herbicidal preparation and a method of combating the growth of undesirable vegetation - Google Patents

Herbicidal preparation and a method of combating the growth of undesirable vegetation Download PDF

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PL203523B1
PL203523B1 PL363699A PL36369901A PL203523B1 PL 203523 B1 PL203523 B1 PL 203523B1 PL 363699 A PL363699 A PL 363699A PL 36369901 A PL36369901 A PL 36369901A PL 203523 B1 PL203523 B1 PL 203523B1
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fertilizer
mesotrione
herbicidal formulation
formulation according
uan
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PL363699A
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PL363699A1 (en
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Alan Wichert Rex
Homer Beckett Thomas
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Syngenta Participations Ag
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N2300/00—Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/06—Unsaturated carboxylic acids or thio analogues thereof; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/10—Sulfones; Sulfoxides
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/02—Sulfur; Selenium; Tellurium; Compounds thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
    • A01N61/02—Mineral oils; Tar oils; Tar; Distillates, extracts or conversion products thereof
    • C05G3/02—

Description

Opis wynalazku Przedmiotem niniejszego wynalazku jest preparat chwastobójczy, który zawiera mezotrion, oraz sposób zwalczania wzrostu niepozadanej ro slinno sci. Mezotrion, (2-[4-metylosulfonylo-2-nitrobenzoilo]-1,3-cykloheksanodion), jest nowym srodkiem chwastobójczym do chwastów szerokolistnych, stosowanym jako herbicyd powschodowy i przed- wschodowy w uprawie kukurydzy. Szczególnie korzystnie zawiera on srodki wspomagaj ace w celu optymalizacji jego aktywno sci powschodowej. Prowadzono do swiadczenia szklarniowe i polowe w celu oceny odpowiedzi chwastów i kukurydzy na stosowany powschodowo mezotrion z kilkoma uk ladami srodków wspomagaj acych. Stosowano ilo sci mezotrionu le zace w granicach od 50 do 140 g sk ladnika aktywnego (ai) na akr (0,4 ha). Uk lady srodków wspomagaj acych obejmuj a: (i) brak srodka wspomagaj acego (próba kontrolna); (ii) koncentrat oleju do upraw (COC), (iii) niejonowy srodek powierzchniowo czynny (NIS), i (iv) metylowany olej z nasion (MSO), ka zdy w obecno sci i bez obecno sci nawozów: nawozu b ed acego roztworem mocznika i azotanu amo- nu (UAN) oraz nawozu siarczanu amonu (AMS). Srednia odpowied z uprawy na mezotrion nanoszony z koncentratem oleju do upraw i azotanem amonu albo siarczanem amonu w dawce 105 g sk ladnika aktywnego na hektar (ha) jest mniejsza ni z 2%, przy maksymalnej szkodzie poni zej 10% w ponad 96% do swiadcze n. Stosowanie metylowanego oleju z nasion z mezotrionem zwi eksza mo zliwo sc uszkodzenia uprawy. Srednia odpowied z uprawy na mezotrion nanoszony z MSO i UAN albo AMS w dawce 105 g sk ladnika aktywnego na hektar (ha) wynios la jedynie 3%, ale uszkodzenie wynosi lo powy zej 15% w powy zej 15% prób. W serii prób, w których zwalczanie chwastów szerokolistnych testowane by lo pod k atem du zych, trudnych do zwalczania, chwastów, mezotrion nanoszony z COC i UAN albo AMS i mezotrion nanoszony z MSO i UAN albo AMS da ly podobny poziom skuteczno sci. Mezotrion nano- szony z NIS oraz UAN albo AMS daje raczej mniejszy poziom zwalczania chwastów ni z kombinacje z COC albo MSO. Do swiadczenia wykaza ly równie z, ze zmienianie jako sci wody i stosowanych obj e- to sci mia ly ma ly wp lyw, albo nie mia ly go wcale, na aktywnosc mezotrionu podawanego w zalecanych ilo sciach z tymi uk ladami srodków wspomagaj acych. Dane z tych eksperymentów pokazuj a, ze dla optymalizacji poziomu zwalczania chwastów i mi- nimalizacji odpowiedzi uprawy za pomoc a mezotrionu, korzystnym uk ladem dodatków jest COC z UAN. Jednak ze, je zeli pozadanym wynikiem ma by c skuteczno sc z dopuszczalnym rozmiarem zniszczenia uprawy, wówczas wybra c nale zy mezotrion z MSO i UAN albo AMS. Zatem w pierwszym aspekcie przedmiotem niniejszego wynalazku jest preparat chwastobójczy zawieraj acy (A) mezotrion, (2-[4-metylosulfonylo-2-nitrobenzoilo]-1,3-cykloheksanodion); (B) 0,3 do 2,5% koncentratu oleju do upraw albo 0,3 do 2,5% metylowanego oleju z nasion, w odniesieniu obj eto sciowo do sumy (A), (B), (C) i (D), (C) 0,5 do 5% nawozu b ed acego roztworem mocznika i azotanu amonu w odniesieniu obj eto- sciowo do sumy (A), (B), (C) i (D) albo 0,5 do 5% nawozu siarczanu amonu, w przeliczeniu na such a mas e, w odniesieniu wagowo do sumy (A), (B), (C) i (D), oraz (D) rozcie nczalnik. Korzystnie mezotrion stosuje si e w ilo sci oko lo 28 g (1 uncja) do 170 g (6 uncji) na akr (0,4 ha); zatem ilo sc u zyta na 380 litrów (100 galonów US) roztworu powinna odpowiada c temu, jak a obj etosc roztworu ma si e nanosi c, w przeliczeniu na akr (0,4 ha). Takie ilo sci zwykle wynosz a od oko lo 85 g (3 uncje) w 19 l (5 galonach) do oko lo 85 g (3 uncje) w 114 l (30 galonach). W typowym preparacie w odniesieniu do próbki 380 l (100 galonów) stosuje si e oko lo 85 g (3 uncje) mezotrionu przy zasto- sowaniu powschodowym, i oko lo 142-170 g (5-6 uncji) przy zastosowaniu przedwschodowym. Okre slenie „koncentrat oleju do upraw” jest dobrze znane w tej dziedzinie i oznacza mieszanin e olejów naftowych i niejonowych srodków powierzchniowo czynnych, korzystnie zawieraj ac a co naj- mniej oko lo 79% wagowych oleju naftowego. W handlu dost epnych jest wiele koncentratów oleju do upraw, na przyk lad, AGRI-DEX, PENETRATOR i PENETRATOR PLUS z firmy Helena Chemical Company, HERBIMAX z firmy UAP, ES CORP OIL PLUS z firmy Gromark i CORP OIL PLUS z firmy Wilfarm (83% oleju parafinowego, 17% emulguj acego srodka powierzchniowo czynnego). PonadtoPL 203 523 B1 3 patent USA nr 5238604, który stanowi odniesienie dla niniejszego opisu, opisuje pewne uk lady srod- ków wspomagaj acych i koncentraty oleju do upraw. Korzystnie preparat chwastobójczy zawiera 0,5% do 2% koncentratu oleju do upraw, najko- rzystniej 1% (obj eto sciowo). Metylowany olej z nasion jest równie z dost epny w handlu. Przyk lady obejmuj a DESTINY z firmy Cenex, metylowany olej z nasion firmy Loveland, metylowany olej z nasion firmy Helena Chemicals, METH OIL z firmy Riverside, PERSIST z firmy Precision, SCOIL z firmy Agsco, SUNDANCE II z firmy Rosens, SUNIT-2 z firmy American Cyanamid i SUPERB z firmy Wilfarm. Dodatkowo sprzedawane s a równie z handlowe odmiany metylowanego oleju z nasion w pola- czeniach z UAN albo AMS, na przyk lad PERSIST PLUS i PERSIST EXTRA z firmy Precision (MSO z UAN) i DYNE-A-PAK z firmy Helena Chemical (MSO i UAN). Korzystnie preparat chwastobójczy zawiera 0,5 do 2,0% metylowanego oleju z nasion (obj eto- sciowo w odniesieniu do mezotrionu), korzystniej 1% metylowanego oleju z nasion. Korzystnie preparat chwastobójczy dodatkowo zawiera 1 do 3%, nawozu b ed acego roztworem mocznika i azotanu amonu, korzystniej 1 do 2%. Korzystnie preparat chwastobójczy zawiera 0,5 do 2% nawozu siarczanu amonu. Rozcie nczalnik na ogó l stanowi woda. Mo zliwe jest równie z stosowanie innych dodatków, na przyk lad buforów, w celu regulowania pH. Bufory pH s a substancjami znanymi specjali scie. Substan- cja buforowa pH stanowi mieszanin e s labego kwasu z prawie ca lkowicie zdysocjowan a sol a tego kwasu i/albo mieszanine s labej zasady z prawie ca lkowicie zdysocjowan a sol a tej zasady (patrz, na przyk lad, Rompp's Chemie Lexikon (Rompp's Chemical Encyclopedia, wyd. 7, tom 5, nag lówek „Buffer”). Wartosc pH bufora prawie si e nie zmienia przy dodawaniu kwasów albo zasad. Korzystne substancje buforowe w korzystnym zakresie pH od oko lo 4 do oko lo 11 to, na przy- k lad, bufory zawieraj ace nast epuj ace jony: octanowy, fosforanowy, boranowy, w eglanowy, cytrynia- nowy, dietylomalonianowy, nitro-trismetylenofosforanowy. Bufory obojnacze, takie jak, na przyk lad, bufor glicynowy albo kwasu 2-(N-morfolino)etanosulfonowego (MES) s a równie z odpowiednie. Rodzaj zastosowanego bufora zale zy zasadniczo od zakresu pH, na przyk lad ftalan stosowany jest typowo w zakresie pH od oko lo 3 do oko lo 4, octan zwykle stosowany jest w zakresie pH od oko lo 4 do oko lo 4,5, fosforan stosuje si e zwykle w zakresie pH od oko lo 5,5 do oko lo 7,5, a w eglan stosowany jest zwykle w zakresie pH od oko lo 9 do oko lo 10. Octanowy bufor pH wykorzystuje si e w takich st eze- niach, ze stezenie w preparacie wynosi oko lo 0,1 do oko lo 0,3 mol/l, korzystnie oko lo 0,15 do oko lo 0,25 mol/l. Buforujacy pH uk lad octanowy jest w rzeczywisto sci wbudowany w preparat „Mesotrio- ne/Acetochlor Premix” w wyznaczonych granicach molowych. Dla ka zdego uk ladu buforowego zakres molowy jest inny, a uk lad jest specyficzny, jednak oparty na buforuj acej sile w zakresie roboczym pH. Dalsze przyk lady dost epnych w handlu srodków buforowych i srodków wspomagaj acych to, mi edzy innymi, BUFFER PS z firmy Helena, który zawiera fosforany alkilo-p-arylopolietoksyetanolu i organiczny kwas fosforowy, stosowany zwykle w st ezeniu oko lo 0,24 do oko lo 1,9 l (oko lo 0,5 do oko lo 4 pt) na 380 l (100 gal), BUFFER EXTRA STRENGTH z firmy Helena, który zawiera mieszank e fosforanów alkiloarylopolietoksyetanolu i organicznych kwasów fosforowych, wykorzystywany zwykle w st ezeniu oko lo 0,095 do 0,95 l (oko lo 4 oz do oko lo 2 pt) na 380 l (100 gal), BUFFERCIDE z firmy Custom Chemicals, który zawiera kwas fosforowy, zwykle stosowany w st ezeniu oko lo 0,47 do 0,95 l (oko lo 1 do oko lo 2 pt) na 380 l (100 gal), AERODYNE i PENETRATOR PLUS. Preparaty mog a by c nanoszone z zastosowaniem znanych technik powietrznych i ziemnych, zwykle 19-114 l (5-30 galonów) na akr (0,4 ha) w technikach ziemnych albo (3,8-19 l) (1-5 galonów) na akr (0,4 ha) w technikach powietrznych. Ilo sci i proporcje sk ladników (B) i (C) powy zej stanowi a korzystne postaci wykonania wynalazku. W kolejnym aspekcie przedmiotem niniejszego wynalazku jest sposób zwalczania wzrostu ro- slinno sci niepozadanej wokó l miejsca wzrostu ro sliny po zadanej, który obejmuje nanoszenie prepara- tu chwastobójczego wed lug wynalazku na miejsce wzrostu danej ro slinno sci. Korzystnie ro slin a po za- dan a jest kukurydza. Korzystnie ro slinno sc niepo zadan a wybiera si e z grupy obejmuj acej: za slaz zwy- czajny, szar lat szorstki, konopie wodne (ang. common waterhemp), szar lat Palmera, wilec Ipomoea hederacea, Sida spinosa, ambrozj e trójdzieln a, ambrozj e bylicolistn a, rzepie n Xanthium pensylvani- cum, psiank e czarn a, komos e bia la, rdest Polygonum pensylvanicum, s lonecznik zwyczajny, bielu n dzi edzierzaw a, Sesbania exaltata, wilczomlecz Euphorbia dentata, portulak e pospolit a, palusznik krwawy, w losnic e zó lt a i mietelnik zakula.PL 203 523 B1 4 Przyk lady Przeprowadzono seri e prób w celu oceny wp lywu srodków wspomagaj acych na poziom zwal- czania chwastów szerokolistnych za pomoc a mezotrionu. Serie te obj ely próby na chwastach hodo- wanych i miejscowych. Ka zda próba zosta la zaprojektowana jako ca lkowity blok losowy z 3 albo wi e- cej powtórzeniami. Mezotrion nanoszony by l jako roztwór do oprysków w ilo sci 105 g/ha (0, 094 lb ai/A, 3 oz/A) z MSO i COC w ilo sci 1% obj eto sciowych w obecno sci i bez obecno sci UAN w ilo sci 1 do 2,5% obj eto sciowych i AMS w ilo sci oko lo 1% (8,5 lb/100 galonów). W 1999 przeprowadzono trzyna- scie prób, w których dokonano 38 ocen chwastów szerokolistnych, obejmuj acych za slaz zwyczajny, szar lat szorstki, konopie wodne, szar lat Palmera, Ipomoea hederacea, Sida spinosa, ambrozj e trój- dzieln a, ambrozj e bylicolistn a, Xanthium pensylvanicum, psiank e czarn a, komos e biala, Polygonum pensylvanicum, s lonecznik zwyczajny, bielu n dzi edzierzaw a, Sesbania exaltata, wilczomlecz, portula- k e pospolit a, w lo snic e zó lt a i mietelnik zakula. Wysoki poziom zwalczania chwastów obserwowany we wszystkich próbach w 20 z 38 tych zestawów danych powoduje maskowanie wp lywu srodków wspo- magaj acych (patrz tabela 1). T a b e l a 1 Wp lyw srodków wspomagaj acych na zwalczanie chwastów szerokolistnych za pomoc a mezotrionu dane testowe: H-99-US77-52 „wszystkie” szerokolistne, 14-36 DAA, 38 zestawów danych Srednie zwalczanie chwastów % #90% zgodno sci 105 g/ha mezotrionu + MSO 73 20 105 g/ha mezotrionu + MSO + 1% UAN 78 21 105 g/ha mezotrionu + MSO + 2,5% UAN 79 23 105 g/ha mezotrionu + MSO + AMS 82 22 105 g/ha mezotrionu + COC 75 22 105 g/ha mezotrionu + COC + 1% UAN 78 19 105 g/ha mezotrionu + COC + 2,5% UAN 77 21 105 g/ha mezotrionu + COC + AMS 75 20 105 g/ha mezotrionu + 1% UAN 69 17 105 g/ha mezotrionu + 2,5% UAN 71 22 105 g/ha mezotrionu + AMS 69 19 Ilo sci srodków wspomagaj acych wynios ly 1% MSO, 1% COC, 1 i 2,5% UAN i oko lo 1% (8,5 lb/100 gal) AMS. Najlepszym dowodem potencjalnego wp lywu srodków wspomagaj acych s a próby przeprowa- dzone w warunkach niesprzyjaj acych aktywno sci chwastobójczej albo na chwastach, które s a trudne do zwalczenia samym tylko mezotrionem. Mezotrion nanoszony w kombinacji z COC albo MSO z UAN albo AMS daje znacz aco lepsze zwalczanie chwastów, ni z gdy nanoszony jest tylko z COC albo MSO (patrz tabela 2). Srodki wspomagaj ace maj a równie z wp lyw na uszkodzenie kukurydzy. Obrazuje to najlepiej cz estotliwo sc wst epowania uszkodzenia obserwowana w du zej liczbie prób polowych prowadzonych w latach 1996-1999. Wszystkie próby zosta ly zaprojektowane jako ca lkowite bloki losowe z co naj- mniej 3 powtórzeniami. Mezotrion nanoszony by l w ilo sci 105 g/ha (0, 094 lb ai/A, 3 oz/A) z 1% obj e- to sciowym COC albo MSO, w obecno sci i bez obecno sci UAN w ilo sci 2,5% obj eto sciowych albo AMS w ilo sci oko lo 1-2% (8 do 17 lb/100 galonów). Kombinacje COC i UAN albo AMS daj a rzadsze wyst e- powanie uszkodze n uprawy ni z kombinacji MSO z UAN albo AMS (patrz tabela 3).PL 203 523 B1 5 T a b e l a 2 Wp lyw srodków wspomagaj acych z wybranych testów (warunki niekorzystne (OH) i gatunki trudne do zwalczania (AMBEL i AMBTR)) dane testowe: H-99-US77-52 *OH *OH WI MN IN srednio Za slaz zwyczajny ABUTH Ambrozja bylicolistna AMBEL Ambrozja bylicolistna AMBEL Ambrozja trójdzielna AMBTR Ambrozja trójdzielna AMBTR 28 DAA 6-8 li sci, 8-10" 28 DAA 12-14 li sci, 5,5-7" 32 DAA 8-9 li sci, 8-9" 28 DAA 5 li sci, 2-6" 28 DAA 9-10 li sci 8-11" 105 g/ha mezotrionu + MSO 27 27 63 88 92 59 105 g/ha mezotrionu + MSO + 1% UAN 73 80 83 93 99 86 105 g/ha mezotrionu + MSO + 2,5% UAN 60 63 89 90 98 80 105 g/ha mezotrionu + MSO + AMS 65 65 92 88 98 82 105 g/ha mezotrionu + COC 47 57 71 68 92 67 105 g/ha mezotrionu + COC +1% UAN 70 73 81 83 80 77 105 g/ha mezotrionu + COC + 2,5% UAN 60 60 91 94 89 79 105 g/ha mezotrionu + COC + AMS 52 52 72 80 96 70 105 g/ha mezotrionu + 1% UAN 23 27 65 72 82 54 105 g/ha mezotrionu + 2,5% UAN 23 23 91 77 98 62 105 g/ha mezotrionu + AMS 38 38 85 77 95 67 5% LSDs 9 10 13 13 18 * w warunkach suszy Ilo sci srodków wspomagaj acych wynios ly 1% MSO, 1% COC, 1 i 2,5% UAN i oko lo 1% (8,5 lb/100 gal) AMS.PL 203 523 B1 6 T a b e l a 3 Wp lyw srodków wspomagaj acych na cz estotliwo sc wyst epowania uszkodze n kukurydzy przy zastosowaniu 105 g/ha (0,094 lb ai/A) mezotrionu z ró znymi srodkami wspomagaj acymi Rozk lad cz estotliwo sci (% prób dla ka zdego zakresu) Obserwowane maksymalne uszkodzenie (jako %) srodek wspom. srednia liczba prób <5 5-10 10-15 15-20 20-25 25-30 30 1% COC 0,6 60 98 2 0 0 0 0 0 1% COC + 2,5% UAN 1,8 101 90 6 3 0 1 0 0 1% COC + AMS 1,6 15 80 20 0 0 0 0 0 1% MSO 0,6 29 100 0 0 0 0 0 0 1% MSO + UAN 2,5% 3,0 38 76 11 5 8 0 0 0 1% MSO + AMS 5,5 25 68 8 4 12 4 4 0 Zwykle, przy typowym stosowaniu 95 l/ha (10 galonów na akr), preparat chwastobójczy w od- niesieniu do 380 l (100 galonów) roztworu zawiera: (A) 850 g (30 uncji) (2-[4-metylosulfonylo-2-nitrobenzoilo]-1,3-cykloheksanodionu), (B) 3,8 l (1 galon) koncentratu oleju do upraw albo 3,8 l (1 galon) metylowanego oleju z nasion albo ich mieszanki, (C) 5,7 l (1,5 galonu) nawozu b ed acego roztworem mocznika i azotanu amonu, obj eto sciowo, albo 7,7 kg (17 funtów) nawozu siarczanu amonu, i (D) wod e do dope lnienia. PL PL PL PL PL PL PLDescription of the Invention The present invention relates to a herbicidal formulation which contains mesotrione and a method for controlling the growth of undesirable vegetation. Mesotrione, (2- [4-methylsulfonyl-2-nitrobenzoyl] -1,3-cyclohexanedione), is a new herbicide for broadleaf weeds used as a post-emergence and pre-emergence herbicide in maize cultivation. It is particularly preferably comprised of adjuvants to optimize its post-emergence activity. Greenhouse and field tests were carried out to evaluate the response of weeds and maize to the post-emergence mesotrione applied with several systems of adjuvants. The amounts of mesotrione ranging from 50 to 140 g of active ingredient (ai) per acre (0.4 ha) were used. The systems of adjuvants include: (i) no adjuvant (control); (ii) Crop Oil Concentrate (COC), (iii) Nonionic Surfactant (NIS), and (iv) Methylated Seed Oil (MSO), each with and without fertilizers: solution fertilizer urea and ammonium nitrate (UAN) and ammonium sulphate fertilizer (AMS). The mean crop response to mesotrione applied with the concentrate of crop oil and ammonium nitrate or ammonium sulphate at a dose of 105 g active ingredient per hectare (ha) is less than 2%, with maximum damage less than 10% in over 96% of the benefits n. The use of methylated seed oil with mesotrione increases the potential for scar damage to the crop. The mean crop response to mesotrione applied with MSO and UAN or AMS at a dose of 105 g active ingredient per hectare (ha) was only 3%, but the damage was above 15% in more than 15% of the trials. In a series of trials where the control of broadleaf weeds was tested for large, difficult to control weeds, mesotrione applied with COC and UAN or AMS and mesotrione applied with MSO and UAN or AMS gave similar levels of effectiveness. Mesotrione applied with NIS and UAN or AMS gives less weed control than with combinations with COC or MSO. The experiments also showed that changing the quality of the water and the volumes used had little or no influence on the activity of mesotrione administered in recommended amounts with these systems of adjuvants. The data from these experiments show that COC with UAN is the preferred additive system to optimize the level of weed control and minimize the crop response with a mesotrione. However, if the desired result is to be c efficiency with the acceptable amount of crop damage, then mesotrione with MSO and UAN or AMS should be selected. Thus, in a first aspect, the present invention relates to a herbicidal formulation comprising (A) mesotrione, (2- [4-methylsulfonyl-2-nitrobenzoyl] -1,3-cyclohexanedione); (B) 0.3 to 2.5% Crop Oil Concentrate or 0.3 to 2.5% Methylated Seed Oil Ethically based on the sum of (A), (B), (C) and (D ), (C) 0.5 to 5% of a fertilizer which is a solution of urea and ammonium nitrate in relation to the ethical volume of the sum of (A), (B), (C) and (D) or 0.5 to 5% ammonium sulphate fertilizer, on a dry weight basis, based on the weight of the sum of (A), (B), (C) and (D), and (D) the diluent. Preferably the mesotrione is used in an amount of about 28 g (1 oz) to 170 g (6 oz) per acre (0.4 ha); therefore, the amount of scum used per 380 liters (100 US gal) of solution should correspond to the volume of solution to be applied c, on a per acre (0.4 ha) basis. Such amounts typically range from about 85 g (3 oz) in 19 L (5 gallons) to about 85 g (3 oz) in 114 L (30 gallons). A typical formulation uses about 85 g (3 oz) of mesotrione for a 100 gallon sample for a post-emergence application, and about 142-170 g (5-6 oz) for a pre-emergence application. The term "crop oil concentrate" is well known in the art and means a mixture of petroleum oils and non-ionic surfactants, preferably containing at least about 79% by weight of petroleum oil. Many crop oil concentrates are commercially available, for example, AGRI-DEX, PENETRATOR and PENETRATOR PLUS from Helena Chemical Company, HERBIMAX from UAP, ES CORP OIL PLUS from Gromark and CORP OIL PLUS from Wilfarm (83 % paraffin oil, 17% emulsifying surfactant). In addition, US Patent No. 5,238,604, which is hereby incorporated by reference, describes certain adjuvant systems and oil concentrates for crops. Preferably the herbicidal formulation comprises 0.5% to 2% of crop oil concentrate, most preferably 1% (v / v). Methylated seed oil is also commercially available. Examples include DESTINY from Cenex, Methylated Seed Oil from Loveland, Methylated Seed Oil from Helena Chemicals, METH OIL from Riverside, PERSIST from Precision, SCOIL from Agsco, SUNDANCE II from Rosens, SUNIT-2 from American Cyanamid and SUPERB from Wilfarm. In addition, commercial varieties of methylated seed oil in combinations with UAN or AMS are also sold, for example, PERSIST PLUS and PERSIST EXTRA from Precision (MSO from UAN) and DYNE-A-PAK from Helena Chemical (MSO and UAN ). Preferably the herbicidal formulation comprises 0.5 to 2.0% methylated seed oil (ethical vol with respect to mesotrione), more preferably 1% methylated seed oil. Preferably the herbicidal formulation additionally comprises 1 to 3% urea-ammonium nitrate fertilizer, more preferably 1 to 2%. Preferably the herbicidal formulation comprises 0.5 to 2% ammonium sulfate fertilizer. The diluent is generally water. It is also possible to use other additives, for example buffers, to regulate the pH. PH buffers are substances known to those skilled in the art. A pH buffer substance is a mixture of a weak base with an almost completely dissociated salt of the acid and / or a mixture of a weak base with an almost completely dissociated salt of that base (see, for example, Rompp's Chemie Lexikon (Rompp's Chemical Encyclopedia, 7th ed., Vol. 5, heading "Buffer") The pH of the buffer hardly changes with the addition of acids or bases. A trace, buffers containing the following ions: acetate, phosphate, borate, carbonate, citrate, diethylmalonate, nitro-trismethylene phosphate, zwitterionic buffers such as, for example, glycine or 2- (N-morpholine) buffer ) ethanesulfonate (MES) are also suitable The type of buffer used depends essentially on the pH range, for example phthalate is typically used in a pH range of about 3 to about 4, acetate is typically used in a pH range of about 4 to about 4.5, phosphate is used usually in the pH range of about 5.5 to about 7.5, and eglan is usually used in the pH range of about 9 to about 10. Acetate pH buffer is used in concentrations such that in the formulation, it is about 0.1 to about 0.3 mol / L, preferably about 0.15 to about 0.25 mol / L. The pH buffering acetate system is in fact incorporated into the "Mesotrione / Acetochlor Premix" formulation within the prescribed molar limits. For each buffer system, the molar range is different and the system is specific, however, based on the buffering power in the working pH range. Further examples of commercially available buffers and adjuvants are, among others, BUFFER PS from Helena, which contains alkyl-p-aryl polyethoxyethanol phosphates and organic phosphoric acid, typically used at a concentration of about 0.24 per eye. lo 1.9 L (about 0.5 to about 4 pts) for 380 L (100 gal), BUFFER EXTRA STRENGTH ex Helena, which contains a mixture of alkylaryl polyethoxyethanol phosphates and organic phosphoric acids, typically used at a concentration of approx. 0.095 to 0.95 L (about 4 oz to about 2 pt) for 380 L (100 gal), BUFFERCIDE from Custom Chemicals which contains phosphoric acid typically used at a concentration of about 0.47 to 0.95 l (approx. 1 to approx. 2 pt.) for 380 l (100 gal), AERODYNE and PENETRATOR PLUS. Formulations may be applied using known air and earth techniques, typically 19-114 l (5-30 gallons) per acre (0.4 ha) in earth techniques or (3.8-19 l) (1-5 gallons) ) per acre (0.4 ha) in aerial techniques. The amounts and proportions of components (B) and (C) above represent a preferred embodiment of the invention. In a further aspect, the present invention relates to a method for controlling undesirable vegetation growth around a site of target plant growth, which comprises applying a herbicidal formulation according to the invention to the site of growth of a given plant. Preferably, the plant required is maize. Preferably, the undesirable plant is selected from the group consisting of: slime, rough gray, common water hemp, Palmer's gray, Ipomoea hederacea, Sida spinosa, ambrosia, ambrosia e white leaf, turnip n Xanthium pensylvani- cum, black nightshade, quinoa e white la, knotweed Polygonum pensylvanicum, s dungwort, sapwood n today edel, Sesbania exaltata, spurge Euphorbia dentata, purslane e blackgrass, zółtnik zółt a i mietelnik zakula.PL 203 523 B1 4 Examples A series of trials were conducted to evaluate the effect of adjuvants on the level of mesotrione control of broadleaf weeds. These series were trials with cultivated and local weeds. Each trial was designed as an integer random block with 3 or more repetitions. Mesotrione was applied as a spraying solution at 105 g / ha (0.094 lb ai / A, 3 oz / A) with MSO and COC at 1% by volume with and without UAN in 1 to 2.5% by volume of nutrient and AMS at about 1% (8.5 lb / 100 gallons). In 1999, thirteen trials were carried out, in which 38 assessments of broad-leaved weeds were made, including scallop, rough gray, water cannabis, Palmer's gray, Ipomoea hederacea, Sida spinosa, triple ambrosia, ambrosia , Xanthium pensylvanicum, black nightshade, white quinoa, Polygonum pensylvanicum, sunflower, saplings, saplings, Sesbania exaltata, spurge, common portula, yellow and earthenware sparks. The high level of weed control observed in all trials in 20 of these 38 datasets masked the effects of adjuvants (see Table 1). TABLE 1 Effect of adjuvants in broadleaf weed control with mesotrione Test data: H-99-US77-52 "all" broadleaf, 14-36 DAA, 38 datasets Average weed control% # 90% compatibility 105 g / ha mesotrione + MSO 73 20 105 g / ha mesotrione + MSO + 1% UAN 78 21 105 g / ha mesotrione + MSO + 2.5% UAN 79 23 105 g / ha mesotrione + MSO + AMS 82 22 105 g / ha Mesotrione + COC 75 22 105 g / ha mesotrione + COC + 1% UAN 78 19 105 g / ha mesotrione + COC + 2.5% UAN 77 21 105 g / ha mesotrione + COC + AMS 75 20 105 g / ha mesotrione + 1% UAN 69 17 105 g / ha mesotrione + 2.5% UAN 71 22 105 g / ha mesotrione + AMS 69 19 The amount of adjuvants was 1% MSO, 1% COC, 1 and 2.5% UAN and approximately 1% (8.5 lb / 100 gal) AMS. The best evidence of the potential effect of adjuvants are tests carried out in conditions unfavorable to herbicidal activity or on weeds that are difficult to control with mesotrione alone. Mesotrione applied in combination with COC or MSO with UAN or AMS gives significantly better weed control than when it is applied only with COC or MSO (see table 2). Adjuvants also have an effect on damage to maize. This is best illustrated by the failure frequency observed in a large number of field trials conducted in 1996-1999. All samples were designed as total random blocks with at least 3 replications. Mesotrione was applied at a rate of 105 g / ha (0.094 lb ai / A, 3 oz / A) with 1% by volume of COC or MSO, with and without UAN 2.5 % by volume of dietary or AMS in an amount of approximately 1-2% (8 to 17 lb / 100 gallons). The combination of COC and UAN or AMS gives less occurrence of crop leg injuries than with the combination of MSO with UAN or AMS (see Table 3) .PL 203 523 B1 5 Table 2 Effect of adjuvants from selected tests (adverse conditions ( OH) and difficult-to-control species (AMBEL and AMBTR)) test data: H-99-US77-52 * OH * OH WI MN IN moderate Slave ABUTH Ambrosia Ambrosia AMBEL Ambrosia Ambrosia AMBEL Ambrosia Ambrosia Ambrosia AMBTR 28 DAA 6 -8 li sci, 8-10 "28 DAA 12-14 li sci, 5.5-7" 32 DAA 8-9 li sci, 8-9 "28 DAA 5 li sci, 2-6" 28 DAA 9-10 li sci 8-11 "105 g / ha mesotrione + MSO 27 27 63 88 92 59 105 g / ha mesotrione + MSO + 1% UAN 73 80 83 93 99 86 105 g / ha mesotrione + MSO + 2.5% UAN 60 63 89 90 98 80 105 g / ha mesotrione + MSO + AMS 65 65 92 88 98 82 105 g / ha mesotrione + COC 47 57 71 68 92 67 105 g / ha mesotrione + COC + 1% UAN 70 73 81 83 80 77 105 g / ha mesotrione + COC + 2.5% UAN 60 60 91 94 89 79 105 g / ha mesotrione + COC + AMS 52 52 72 80 96 70 10 5 g / ha mesotrione + 1% UAN 23 27 65 72 82 54 105 g / ha mesotrione + 2.5% UAN 23 23 91 77 98 62 105 g / ha mesotrione + AMS 38 38 85 77 95 67 5% LSDs 9 10 13 13 18 * in dry conditions Amounts of adjuvants were 1% MSO, 1% COC, 1 and 2.5% UAN and about 1% (8.5 lb / 100 gal) AMS.PL 203 523 B1 6 Table 3 Effect of adjuvants on the frequency of maize leg lesions with the use of 105 g / ha (0.094 lb ai / A) mesotrione with different adjuvants. Observed Maximum Damage (as%) Aid. mean number of attempts <5 5-10 10-15 15-20 20-25 25-30 30 1% COC 0.6 60 98 2 0 0 0 0 0 1% COC + 2.5% UAN 1.8 101 90 6 3 0 1 0 0 1% COC + AMS 1.6 15 80 20 0 0 0 0 0 1% MSO 0.6 29 100 0 0 0 0 0 0 1% MSO + UAN 2.5% 3.0 38 76 11 5 8 0 0 0 1% MSO + AMS 5.5 25 68 8 4 12 4 4 0 Typically, 95 L / ha (10 gallons per acre) typically used herbicide for 380 L (100 gallons) the solution contains: (A) 850 g (30 oz) (2- [4-methylsulfonyl-2-nitrobenzoyl] -1,3-cyclohexanedione), (B) 3.8 L (1 gallon) of crop oil concentrate, or 3, 8 L (1 gallon) of methylated seed oil or a mixture of these, (C) 5.7 L (1.5 gallons) of urea-ammonium nitrate fertilizer, by volume, or 7.7 kg (17 lb) ammonium sulphate fertilizer, and (D) topping up water. PL PL PL PL PL PL PL PL

Claims (11)

1. Zastrze zenia patentowe 1. Preparat chwastobójczy, znamienny tym, ze zawiera (A) mezotrion, (2-[4-metylosulfonylo-2-nitrobenzoilo]-1,3-cykloheksanodion); (B) 0,3 do 2,5% koncentratu oleju do upraw albo 0,3 do 2,5% metylowanego oleju z nasion, w odniesieniu obj eto sciowo do sumy (A), (B), (C) i (D); (C) 0,5 do 5% nawozu b ed acego roztworem mocznika i azotanu amonu w odniesieniu obj eto- sciowo do sumy (A), (B), (C) i (D) albo 0,5 do 5% nawozu siarczanu amonu, w przeliczeniu na such a mas e, w odniesieniu wagowo do sumy (A), (B), (C) i (D); oraz (D) rozcie nczalnik.1. Claims 1. A herbicidal formulation comprising (A) mesotrione, (2- [4-methylsulfonyl-2-nitrobenzoyl] -1,3-cyclohexanedione); (B) 0.3 to 2.5% Crop Oil Concentrate or 0.3 to 2.5% Methylated Seed Oil Ethically based on the sum of (A), (B), (C) and (D ); (C) 0.5 to 5% of fertilizer which is a solution of urea and ammonium nitrate in relation to the ethical volume of the sum of (A), (B), (C) and (D) or 0.5 to 5% of sulphate fertilizer ammonium, on a dry weight basis, on a weight-based basis on the sum of (A), (B), (C) and (D); and (D) a diluent. 2. Preparat chwastobójczy wed lug zastrz. 1, znamienny tym, ze zawiera 0,5 do 2,0% koncen- tratu oleju do upraw.2. Herbicidal formulation according to claim The process of claim 1, comprising 0.5 to 2.0% of an oil concentrate for crops. 3. Preparat chwastobójczy wed lug zastrz. 1, znamienny tym, ze zawiera 1% koncentratu oleju do upraw.3. Herbicidal formulation according to claim The process of claim 1, comprising 1% of crop oil concentrate. 4. Preparat chwastobójczy wed lug zastrz. 1, znamienny tym, ze zawiera 0,5 do 2,0% metylo- wanego oleju z nasion.4. Herbicidal formulation according to claim 1 The process of claim 1, containing 0.5 to 2.0% methylated seed oil. 5. Preparat chwastobójczy wed lug zastrz. 1, znamienny tym, ze zawiera 1% metylowanego oleju z nasion.5. Herbicidal formulation according to claim 1 The process of claim 1, comprising 1% methylated seed oil. 6. Preparat chwastobójczy wed lug zastrz. 1, znamienny tym, ze dodatkowo zawiera 1 do 3% nawozu b ed acego roztworem mocznika i azotanu amonu.6. A herbicidal formulation according to claim 1 The fertilizer according to claim 1, additionally containing 1 to 3% of a fertilizer which is a solution of urea and ammonium nitrate. 7. Preparat chwastobójczy wed lug zastrz. 1, znamienny tym, ze zawiera 0,5 do 2% nawozu siarczanu amonu.7. A herbicidal formulation according to claim 1 A fertilizer according to claim 1, characterized in that it contains 0.5 to 2% of ammonium sulphate fertilizer. 8. Preparat chwastobójczy, znamienny tym, ze w odniesieniu do 380 l (100 galonów) roztworu zawiera: (A) 850 g (30 uncji) (2-[4-metylosulfonylo-2-nitro-benzoilo]-1,3-cykloheksanodionu);PL 203 523 B1 7 (B) 3,8 l (1 galon) koncentratu oleju do upraw albo 3,8 l (1 galon) metylowanego oleju z nasion albo ich mieszanki; (C) 5,7 l (1,5 galonu) nawozu b ed acego roztworem mocznika i azotanu amonu, obj eto sciowo, albo 7,7 kg (17 funtów) nawozu siarczanu amonu; i (D) wod e do dope lnienia.8. Herbicidal formulation, characterized in that, based on 380 L (100 gallons) of the solution contains: (A) 850 g (30 oz) (2- [4-methylsulfonyl-2-nitro-benzoyl] -1,3-cyclohexanedione (B) 3.8 L (1 gallon) of Crop Oil Concentrate or 3.8 L (1 gallon) of methylated seed oil or a mixture thereof; (C) 5.7 L (1.5 gallons) of urea ammonium nitrate fertilizer, ethically volumetric, or 7.7 kg (17 lb.) of ammonium sulfate fertilizer; and (D) water for topping up. 9. Sposób zwalczania wzrostu ro slinno sci niepozadanej wokó l miejsca wzrostu ro sliny po za- danej, znamienny tym, ze obejmuje nanoszenie preparatu wed lug zastrz. 1 na miejsce wzrostu danej ro slinno sci.9. A method of controlling the growth of undesirable vegetation around the place of plant growth as desired, characterized in that it comprises applying a formulation according to claim 1. 1 for the place of growth of a given vegetation. 10. Sposób wed lug zastrz. 9, znamienny tym, ze ro slin a po zadan a jest kukurydza.10. The method according to claim The method of claim 9, wherein the desired plant is maize. 11. Sposób wed lug zastrz. 10, znamienny tym, ze ro slinno sc niepo zadan a wybiera si e z grupy obejmuj acej: za slaz zwyczajny, szar lat szorstki, konopie wodne (ang. common waterhemp), szar lat Palmera, wilec Ipomoea hederacea, Sida spinosa, ambrozj e trójdzieln a, ambrozj e bylicolistn a, rzepie n Xanthium pensylvanicum, psiank e czarn a, komos e bia la, rdest Polygonum pensylvanicum, s lonecznik zwyczajny, bielu n dziedzierzaw a, Sesbania exaltata, wilczomlecz Euphorbia dentata, portulak e pospo- lit a, palusznik krwawy, w lo snic e zó lt a i mietelnik zakula.PL 203 523 B1 8 Departament Wydawnictw UP RP Cena 2,00 z l. PL PL PL PL PL PL PL11. The method according to claim 10, characterized by the fact that the undesirable vegetation is selected from the group of: common waterhemp, common waterhemp, Palmer's gray, Ipomoea hederacea, Sida spinosa, ambrosia a, ragweed n aubergine, turnip n Xanthium pensylvanicum, black nightshade, quinoa e white la, knotweed Polygonum pensylvanicum, dungwort, sapwood n fallow, Sesbania exaltata, spurge Euphorbia dentata, a portulak, euphorbia dentata bloody, lotus yellow ai mietelnik zakula.PL 203 523 B1 8 Publishing Department of the Polish Patent Office Price 2.00 z l. PL PL PL PL PL PL
PL363699A 2000-09-08 2001-09-04 Herbicidal preparation and a method of combating the growth of undesirable vegetation PL203523B1 (en)

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