DK154743B - HERBICIDE MEDICINAL CONTAINING TRIFLURALIN AND ISOPROTURON AND USING IT - Google Patents
HERBICIDE MEDICINAL CONTAINING TRIFLURALIN AND ISOPROTURON AND USING IT Download PDFInfo
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- DK154743B DK154743B DK405879AA DK405879A DK154743B DK 154743 B DK154743 B DK 154743B DK 405879A A DK405879A A DK 405879AA DK 405879 A DK405879 A DK 405879A DK 154743 B DK154743 B DK 154743B
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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
- 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<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
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Abstract
Description
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Den foreliggende opfindelse angår et herbicidt middel, som ifølge opfindelsen er ejendommeligt ved, at det indeholder 2,6-dinitro-N,N-dipropyl-4-trifluormethylanilin (kaldet trifluralin) af formlen 6 Γ2 / C3H7 N<\ <A> Tr'fluralin no2 3 7 10 sammen med 3·^ (4^±sopropylphenyl)-1,1-dimethylurinstof (kaldet isoproturon). af formlen yCH3 (i)H7C3 NH—CO— CH3 15The present invention relates to a herbicidal agent which according to the invention is characterized in that it contains 2,6-dinitro-N, N-dipropyl-4-trifluoromethylaniline (called trifluralin) of the formula 6Γ2 / C3H7 N <\ <A> Tr 'fluralin no2 3 7 10 together with 3 · ^ (4 ^ ± sopropylphenyl) -1,1-dimethylurea (called isoproturon). of the formula yCH3 (i) H7C3 NH-CO-CH3 15
Isoproturonisoproturon
Begge de virksomme forbindelser er i og for sig kendt, f.eks. fra H. Martin og C.R. Worthing "Pesticide Manual", 5. opl., 19.77, British Crop Protection Council, side 528 og 317, og anyendel-20 se af de to forbindelser i korn er ligeledes kendt, f.eks. fra A.J. Kovacs og C. Mallegni, Proc. 10th British Weed Control Conf., 1970, side 55^62 og J. Rognon, A. Thizy og D. Pilion, 23em Symp. de Phytopharmacie Gent, 1972, side 663-669.Both of the active compounds are known per se, e.g. from H. Martin and C.R. Worthing "Pesticide Manual", 5th ed., 19.77, British Crop Protection Council, pages 528 and 317, and any of the two compounds in cereals are also known, e.g. from A.J. Kovacs and C. Mallegni, Proc. 10th British Weed Control Conf., 1970, pages 55 ^ 62 and J. Rognon, A. Thizy and D. Pilion, 23em Symp. the Phytopharmacie Ghent, 1972, pages 663-669.
Det har nu vist sig, at kombinationer af kom-25 ponenterne A og B udmærker sig ved synergistisk virkning ved ukrudtbekæmpelse i kulturplanter, især hvede, byg og rug, hvilken virkning er overraskende og ikke kunne forudses ud fra det tidligere offentliggjorte. Således er kombinationen ifølge opfindelsen af de virksomme forbindelser omfattet af den 30 generelle definition i GB-patent nr. 1.348.428, jfr. krav 1, men den er ikke nævnt konkret eller fremhævet som en kombination med særlige synergistiske egenskaber. Endvidere er de i ovennævnte patentskrift afprøvede kombinationer kun påvist at være anvendelige i 2-kimbladede kulturer, medens kombina-35 tionen ifølge opfindelsen kan anvendes i 1-kimbladede kulturer uden at beskadige disse planter.It has now been found that combinations of components A and B are distinguished by the synergistic effect of weed control in cultural plants, especially wheat, barley and rye, which effect is surprising and could not be predicted from the previously published. Thus, the combination according to the invention of the active compounds is included in the general definition of GB patent 1,348,428, cf. claim 1, but it is not mentioned specifically or highlighted as a combination with particular synergistic properties. Furthermore, the combinations tested in the above patent have only been shown to be useful in 2-seeded cultures, while the combination of the invention can be used in 1-seeded cultures without damaging these plants.
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Opfindelsen angår således også anvendelse af midlet til bekæmpelse af uønskede planter i nytteplantekulturer, især horn.Thus, the invention also relates to the use of the agent for the control of undesirable plants in crop plants, especially horns.
Komponenterne A og B lader sig kombinere med hinanden inden for vide grænser, men foretrukket er dog A:B-blandingsfor-5 hold på mellem 10:1 og 1:10, især mellem 4:1 og 1:4.Components A and B can be combined with each other within wide limits, but preferably A: B blend ratios are between 10: 1 and 1:10, especially between 4: 1 and 1: 4.
Ved hjælp af midlet ifølge opfindelsen kan talrige slags ukrudt i nytteplantekulturer, især kornsorter som hvede, byg og rug, bekæmpes med godt resultat. Som eksempler kan nævnes følgende arter: 10By means of the composition according to the invention, numerous kinds of weeds in crop plants, especially cereals such as wheat, barley and rye, can be successfully controlled. Examples include the following species:
Grammineae Alopecurus myosuroidesGrammineae Alopecurus myosuroides
Avena fatua Poa annua Poa trivialis 15 Lolium multiflorumAvena fatua Poa annua Poa trivialis 15 Lolium multiflorum
Compositae Matricaria inodoraCompositae Matricaria inodora
Matricaria chamomilla Anthemis arvensis 20Matricaria chamomilla Anthemis arvensis 20
Papaveraccae Papaver rhoeasPapaveraccae Papaver rhoeas
Cruciferae Capsella bursa-pastorisCruciferae Capsella bursa-pastoris
Sinapis arvensis 25Sinapis arvensis 25
Rubiaceae Galium aparineRubiaceae Galium aparine
Scrophulariaceae Veronica arvensisScrophulariaceae Veronica arvensis
Veronica hederifolia 30Veronica hederifolia 30
Labiatae Lamium purpureumLabiatae Lamium purpureum
Caryophyllaceae Stellaria media 35 Polygonaceae Polygonum persicariaCaryophyllaceae Stellaria media 35 Polygonaceae Polygonum persicaria
Polygonum avicularePolygonum aviculare
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Midlet ifølge opfindelsen kan anvendes enten som tankblandinger, hvor komponenterne først blandes med hinanden umiddelbart før påføringen, eller som særlige præparater, og som disse sidste kan de især anvendes i form af fugtelige pulvere 5 (sprøjtepulvere) eller i form af emulgerbare koncentrater eller granulater, der da foruden den angivne kombination af virksomme stoffer indeholder de sædvanlige præparathjælpemidler som f.eks. fugte-, hæfte- og dispergeringsmidler, faste eller flydende indifferente stoffer, formalingshjælpemidler, 10 opløsningsmidler og emulgatorer.The agent of the invention can be used either as tank mixtures where the components are first mixed with each other immediately prior to application, or as special compositions and, as the latter, they can be used especially in the form of moist powders 5 (spray powders) or in the form of emulsifiable concentrates or granules. which, in addition to the indicated combination of active substances, contains the usual preparation aids such as e.g. wetting, adhesive and dispersing agents, solid or liquid inert substances, grinding aids, solvents and emulsifiers.
Sprøjtepulvere af midlet ifølge opfindelsen kan f.eks. fremstilles ved, at man først bringer forbindelsen A (trifluralin) til at smelte ved 80°C i et varmekammer og derpå i en hurtigtløbende blander (Lodige-blander) sprøjter og adsor-15 berer det varme, smeltede virksomme stof på f.eks. findispers, syntetisk kiselsyre eller et andet opsugningsdygtigt indifferent pulver som f.eks. diatomejord, ler eller bentonit under sammenblanding, således at der dannes et løst tørt pulver. Til opnåelse af et præparat med højst muligt procent-indhold af det virk-20 somme stof anvendes hertil med fordel syntetisk kiselsyre, som f.eks. "Wessalon 5" fra Fa. Degussa, Tyskland, eller "Neosyl" fra Fa. Crosfield Chemicals, England.Syringe powders of the composition of the invention may e.g. is prepared by first bringing the compound A (trifluralin) to melt at 80 ° C in a heating chamber and then spraying in a fast-running mixer (Lodige mixer) and adsorbing the hot, melted active substance on e.g. fine dispersers, synthetic silicic acid or other absorbent inert powder such as diatomaceous earth, clay or bentonite under mixing to form a loose dry powder. To obtain a composition having as high a percentage content of the active substance, synthetic silicic acid such as e.g. "Wessalon 5" from Fa. Degussa, Germany, or "Neosyl" from Fa. Crosfield Chemicals, England.
Parallelt hermed fremstiller man af forbindelsen B (isoproturon) et pulverkoncentrat ved sammenblanding og forma-25 ling med sædvanlige præparat- og formalingshjælpemidler f.eks. på en hurtigtløbende mølle med stor kapacitet, f.eks. en stiftmølle, blæsemølle eller luftstrålemølle, hvilket pulverkoncentrat fortrinsvis har en finhed på 325 mesh, hvilket betyder, at pulveret ved sigtning på en 44 micron-sigte op til et tolerer-30 bart indhold på 1 vægts skal være finere end 44 micron. Hensigtsmæssigt blandes pulverkoncentratet allerede før formalingen med de nødvendige dispergerings- og fugtemidler, skumfjernere og indifferente materialer.In parallel, compound B (isoproturon) produces a powder concentrate by mixing and grinding with conventional preparation and grinding aids, e.g. on a high-capacity fast-running mill, e.g. a pin mill, blow mill or air jet mill, the powder concentrate preferably having a fineness of 325 mesh, which means that when sieving on a 44 micron screen up to a tolerable content of 1 weight, the powder must be finer than 44 microns. Conveniently, prior to grinding, the powder concentrate is mixed with the necessary dispersing and wetting agents, foam removers and inert materials.
Som dispergeringsmiddel kan f.eks. anvendes dinaphthyl-35 methandisulfonsurt natrium, ligninsulfonater, kondensationsprodukter af alkylnaphthalensulfonsyrer med cresoler, natriumsulfit og formaldehyd ("Dispergeringsmiddel SS" fra Hoechst AG)., 4As a dispersant, e.g. used dinaphthyl-methane disulfonic acid sodium, lignin sulfonates, condensation products of alkyl naphthalenesulfonic acids with cresols, sodium sulfite and formaldehyde ("Dispersant SS" from Hoechst AG). 4
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oleoyl-N-methyltaurider, polyvinylalkoholer og polyvinylpyrro^- lidongr, og aom fugtemiddsl kan f.eks. anvendes alkylnaphthalen-sulfonater, alkylsulforavsyreestere, alkylbenzensulfonater og alkylsulfater. Som opskumningsmidler kan, når de er nødvendige, 5 anvendes f.eks. natrium- eller kaliumsalte af fedtsyrer og si-liconer.oleoyl-N-methyltaurides, polyvinyl alcohols and polyvinylpyrro-lidon, and a wetting agent can e.g. alkylnaphthalene sulfonates, alkylsulforic acid esters, alkylbenzenesulfonates and alkylsulphates are used. As foaming agents, when necessary, e.g. sodium or potassium salts of fatty acids and silicones.
De således hver for sig fremstillede trifluralin- og isoproturon-pulyerkoncentrater sammenblandes derefter svarende til de ønskede forhold mellem de virksomme stoffer, og deref-10 ter formales dette trifluralin/isoproturon-sprøjtepulver endnu en gang i en simpel hammermølle eller supermølle med reduceret omdrejningshastighed for malerotoren.The trifluralin and isoproturon powder concentrates thus prepared are then mixed together according to the desired ratios of the active substances, and then this trifluralin / isoproturon spray powder is milled again in a simple hammer mill or super-mill with reduced rotor speed. .
De herved opnåede fugtelige pulvere er i vand ensartet dispergerbare præparater, som foruden de virksomme stoffer og 15 fortyndings- eller inertstofferne yderligere kan indeholde fug-temidler, f.eks. polyoxethylerede alkylphenoler, polyoxethy-lerede oleyl- eller stearylaminer eller alkyl- eller alkylphe-nylsulfonater, samt dispergeringsmidler, f.eks. ligninsulfonsurt natrium, 2,2'-dinaphthylmethan-6,6'-disulfonsurt natrium, 20 dibutylnaphthalensulfonsurt natrium eller oleylmethyltaurin-surt natrium, og eventuelt hæftemidler, f.eks. polyvinylalkoholer, og formalingshjælpemidler.The resulting wet powders are uniformly dispersible compositions which, in addition to the active substances and the diluents or inert substances, may further contain wetting agents, e.g. polyoxethylated alkyl phenols, polyoxethylated oleyl or stearyl amines or alkyl or alkyl phenylsulfonates, and dispersants, e.g. lignin sulfonic acid sodium, 2,2'-dinaphthylmethane-6,6'-disulfonic acid sodium, dibutylnaphthalenesulfonic acid sodium or oleylmethyltaurine acid sodium, and optionally adhesives, e.g. polyvinyl alcohols, and grinding aids.
Emulgerbare koncentrater kan fremstilles ved opløsning af den virksomme blanding i et organisk opløsningsmiddel, f.eks.Emulsifiable concentrates can be prepared by dissolving the active mixture in an organic solvent, e.g.
25 butanol, cyclohexanon, dimethylformamid, xylen eller højtkogende aromatiske forbindelser, og tilsætning af f.eks. et ikke-iono-gent emulgerings- og fugtemiddel, f.eks. en polyoxethyleret alky lphenol eller en polyoxethyleret oleyl- eller stearylamin.Butanol, cyclohexanone, dimethylformamide, xylene or high boiling aromatic compounds, and addition of e.g. a non-ionic emulsifier and wetting agent, e.g. a polyoxethylated alkylphenol or a polyoxethylated oleyl or stearylamine.
Puddermidler kan fremstilles ved formaling af den 30 virksomme blanding med finfordelte, faste stoffer, f.eks. tal·^ kum, naturlige lerarter såsom kaolin, bentonit, pyrophyllit eller diatoméjord.Powder agents can be prepared by grinding the active mixture with finely divided solids, e.g. numbers of cum, natural clays such as kaolin, bentonite, pyrophyllite or diatomaceous earth.
Granulater kan fremstilles ved sprøjtning af den virksomme blanding på et adsorptionsdygtigt, granuleret indifferent 35 materiale eller ved påføring af virksomme koncentrater ved hjælp af klæbemidler, f.eks. polyvinylalkohol, polyacrylsurt natrium eller mineralolier, på overfladen af bærestoffer som f.eks. sand, kaolinit eller granuleret inertmateriale. Desuden Tr^n orrnfado rrrsnnl si-pr frpmq-f· ΐ 1 1 nå dnn Hl Ψττρ*msH 1 - 5Granules can be prepared by spraying the active mixture onto an adsorbable, granulated inert material or by applying effective concentrates by adhesives, e.g. polyvinyl alcohol, polyacrylic acid sodium or mineral oils, on the surface of carriers such as e.g. sand, kaolinite or granulated inert material. Moreover, Tr ^ n orrnfado rrrsnnl si-pr frpmq-f · ΐ 1 1 reach dnn Hl Ψττρ * msH 1 - 5
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ling af gødningsgranulater sædvanlige måde, eventuelt også blandet med gødningsmidler.usual fertilizer granulation method, optionally also mixed with fertilizers.
I de kombinerede herbicide midler kan koncentrationerne af virksomme stoffer i de i handelen værende præparater 5 være forskellige. I fugtelige pulvere kan koncentrationen af virksomme stoffer f.eks. variere mellem ca. 10 og ca. 80 vægt%, idet resten udgøres af de ovenfor nævnte tilsætninger. I emul-gerbare koncentrater er koncentrationen af virksomme stoffer f.eks. mellem ca. 10 og ca. 70 vægt%, og pudderformede præpara-10 ter indeholder for det meste f.eks. mellem ca. 5 og ca. 20 vægt% virksomme stoffer, og i sprøjtelige opløsninger ligger indholdet f.eks. mellem ca. 0,05 og ca. 10 vægt%. I granulater afhænger indholdet af virksomme stoffer til dels af, om den virksomme forbindelse er flydende eller fast, og hvilke granulerings-15 midler, fyldstoffer etc. der er anvendt, men almindeligvis ligger indholdet af virksomme stoffer f.eks. mellem ca. 10 og · ca. 80 vægt%.In the combined herbicides, the concentrations of active substances in the commercially available compositions 5 may be different. In moist powders, the concentration of active substances may e.g. vary between approx. 10 and approx. 80% by weight, the remainder being the aforementioned additives. In emulsifiable concentrates, the concentration of active substances is e.g. between approx. 10 and approx. 70% by weight, and powdered preparations mostly contain e.g. between approx. 5 and approx. 20% by weight of active substances, and in sprayable solutions the content is e.g. between approx. 0.05 and approx. 10% by weight. In granules, the content of active substances depends in part on whether the active compound is liquid or solid and which granulating agents, fillers etc. are used, but usually the content of active substances is e.g. between approx. 10 and · approx. 80% by weight.
Til anvendelse fortyndes de i handelen værende koncentrater eventuelt på sædvanlig måde, f.eks. med vand, når der 20 er tale om fugtelige pulvere og emulgerbare koncentrater. Granulerede præparater fortyndes almindeligvis før anvendelsen ikke med yderligere indifferente stoffer. Den nødvendige anvendelsesmængde af virksomme stoffer varierer efter de ydre betingelser som f.eks. temperatur og fugtighed, og den kan va-25 riere inden for vide grænser, f.eks. mellem 0,1 og 10,0 kg ak-tiye stoffer pr. ha, men fortrinsvis ligger den mellem 0,5 og 5 kg/ha.For use, the commercially available concentrates may be diluted in the usual manner, e.g. with water in the case of moist powders and emulsifiable concentrates. Granulated compositions are generally not diluted prior to use with additional inert substances. The amount of use required of active substances varies according to the external conditions, e.g. temperature and humidity, and it may vary within wide limits, e.g. between 0.1 and 10.0 kg of active substances per ha, but preferably it is between 0.5 and 5 kg / ha.
Fremstillingseksempler 30 Eksempel 1Preparation Examples Example 1
Fremstilling af et trifluralin/isoproturon-sprøjtepulver a) Trifluralin-koncentrat I et varmekammer bringes 200 kg teknisk trifluralin (95% rent] til smeltning ved 80°C, hvorefter det i en hur-35 tigblander på 3 m (Lodige).. ved hjælp af et fordelingsgitter ved den løbende blander sprøjtes på 340 kg findis·?· pers syntetisk kiselsyre ("Wessalon S"}, hvorpå der efter-blandes i 15 minutter, hvilket giver et finpulveriseretPreparation of a Trifluralin / Isoproturon Spray Powder a) Trifluralin Concentrate In a heating chamber, 200 kg of technical trifluralin (95% pure] is brought to melt at 80 ° C, then in a 3 m rapid mixer (Lodige). using a distribution grid of the running mixer, spray on 340 kg of fine ice silica silica ("Wessalon S"}, then mix for 15 minutes to give a finely powdered
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6 b) Isoproturon-koncentrat6 b) Isoproturon concentrate
Der sammenblandes 202,50 kg teknisk isoproturon (99% ren), 67,00 kg findispers syntetisk kiselsyre ("Wessalon S"), 5 113,50 kg af et kondensationsprodukt af alkylnaphthalen- sulfonsyre med cresoler, natriumsulfit og formaldehyd ("Dispergeringsmiddel SS", Hoechst AG), 52,10 kg alkylnaphthaiensulfonsurt natrium ("Leonil DB"), 1,40 kg sæhespåner og 10 13,50 kg natriumcarbonat, og blandingen formales en gang i en blæsemølle på en 0,5 mm trekantsigte til en finhed på under 44 micron.202.50 kg of technical isoproturon (99% pure), 67.00 kg of fine dispersed synthetic silicic acid ("Wessalon S"), 5 113.50 kg of a condensation product of alkylnaphthalenesulfonic acid with cresols, sodium sulfite and formaldehyde ("Dispersant SS") are mixed. ", Hoechst AG), 52.10 kg of alkylnaphthaiene sulfonic acid sodium (" Leonil DB "), 1.40 kg of sawdust and 13.50 kg of sodium carbonate, and the mixture is ground once in a 0.5 mm triangular sieve mill to a fineness of less than 44 microns.
c) L Isoproturon/trifluralin-sprøjtepulver-20:20 15 Til fremstilling af sprøjtepulveret blandes 550 kg af det ifølge a). fremstillede trifluralin-koncentratet med 450 kg af det ifølge b) fremstillede isoproturon-koncentrat, og blandingen formales på en hammermølle med en ydre peri-ferihastighed på ca. 80 m/sek. for malekorset gennem en 20 0,5 mm sigte.c) L Isoproturon / Trifluralin Spray Powder-20: 20 15 For the preparation of the spray powder, 550 kg of it is mixed according to (a). prepared the trifluralin concentrate with 450 kg of the isoproturon concentrate prepared according to b) and the mixture is ground on a hammer mill with an outer peripheral velocity of approx. 80 m / sec for the painting cross through a 20 0.5 mm sieve.
Det opnåede sprøjtepulver-slutprodukt har en finhed efter sigtning på max. 1 vægt% pulverrest på en 44 micron--sigte og en suspenderbarhed på 80% efter 30 minutters henstand i vand af 3Q°C og en standard-hårdhed på 342 ppm.The obtained spray powder final product has a fineness after sieving of max. 1% by weight of powder residue on a 44 micron sieve and a suspendability of 80% after 30 minutes standing in water of 3 ° C and a standard hardness of 342 ppm.
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Det fremstillede sprøjtepulver har følgende sammensætning : 21,00 vægt% teknisk trifluralin med en renhed på 95%, dys.The spray powder produced has the following composition: 21.00% by weight technical trifluralin with a purity of 95%, nozzle.
20 vægt% ren trifluralin, 30 20,25 vægt% teknisk isoproturon af en renhed på 99%, dvs.20 wt% pure trifluralin, 20.25 wt% technical isoproturon of 99% purity, i.e.
20 vægt% ren isoproturon, 40,70 vægt% findispers syntetisk kiselsyre ("Wessalon S"), 11,35 vægt% af kondensationsproduktet af alkylnaphthalensul-fonsyre med cresoler, natriumsulfit og formal-35 dehyd ("Dispergeringsmiddel SS", Hoechst AGl, 5,21 vægt% alkylnaphthalensulfonsurt natrium ("Leonil DB."I, 0,14 vægt% sæbespåner og 1,35 vægt% natriumcarbonat.20 wt% pure isoproturon, 40.70 wt% fine dispersible synthetic silicic acid ("Wessalon S"), 11.35 wt% of the condensation product of alkyl naphthalenesulfonic acid with cresols, sodium sulfite and formaldehyde ("Dispersant SS", Hoechst AG1, 5.21 wt% alkylnaphthalenesulfonic acid sodium ("Leonil DB" I, 0.14 wt% soap chips and 1.35 wt% sodium carbonate.
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Eksempel 2Example 2
En tankblanding fremstilles ved, at man på sædvanlig måde blander et i handelen værende sprøjtepulver indeholdende 75 vægt% isoproturon (B) og et i handelen værende emulsions-5 koncentrat indeholdende 48 vægt% trifluralin (A) i et vægtforhold mellem virksomme stoffer på 1:1 med vand og fortynder til en sprøjtevæske. Påføringsmængden for sprøjtevæsken ligger mellem ca. 100 og ca. 600 liter pr. ha.A tank mixture is prepared by usual mixing a commercially available spray powder containing 75% by weight of isoproturon (B) and a commercially available emulsion concentrate containing 48% by weight of trifluralin (A) in a weight ratio of active substances of 1: 1 with water and dilute to a spray liquid. The amount of application of the spray liquid is between approx. 100 and approx. 600 liters per ha.
På lignende måde kan der fremstilles og påføres sprøj- 10 teyæsker med andre forhold mellem virksomme stoffer, og foretrukket er B:A-forhold på mellem 4:1 og 1:4.Similarly, spray bags having different ratios of active ingredients can be prepared and applied, and preferably B: A ratios of 4: 1 to 1: 4.
Biologisk eksempel 1 I det nedenfor anførte biologiske eksempel er der gen-15 nemført en række væksthusforsøg.Biological Example 1 In the biological example given below, a number of greenhouse experiments have been carried out.
I alle tilfælde er der for kombinationerne skelnet mellem den beregnede og den fundne virkningsgrad, og den beregnede er overalt sat i parantes foran den fundne. Den beregnede virkningsgrad er opnået efter den formel, der er angivet af 20 S.R. Colby i "Calculation of synergistic and antagonistic responses of herbicide combinations", Weeds 15 (1967) 20-22, nemlig E = x + Y - ^xr hvor X = % beskadigelse med herbicid A ved x kg/ha, 25 Y = % beskadigelse med herbicid B ved y kg/ha, og E = den forventede beskadigelse med herbiciderne A + B ved x + y kg/ha.In all cases, for the combinations, the calculated and the found efficiency are distinguished, and the calculated is everywhere in parentheses in front of the found one. The calculated efficiency is obtained according to the formula given by 20 S.R. Colby in "Calculation of Synergistic and Antagonistic Responses to Herbicide Combinations", Weeds 15 (1967) 20-22, namely E = x + Y - ^ xr where X =% damage with herbicide A at x kg / ha, 25 Y =% damage with herbicide B at y kg / ha and E = the expected damage with herbicides A + B at x + y kg / ha.
Er den virkelige beskadigelse imidlertid større end den, der beregningsmæssigt var at vente, er virkningen af kombinatio-30 nen mere end additiv, hvilket vil sige, at der foreligger en synergistisk virkning.However, if the actual damage is greater than the expected one, the effect of the combination is more than additive, that is, there is a synergistic effect.
I et væksthusforsøg blev potter tilsået med forskellige slags ukrudt, hvorefter frøene dækkedes med lidt jord, og samme dag blev forbindelserne A og B i de angivne mængder såvel 35 hver for sig som i kombinationer sprøjtet på jordoverfladen. Forsøgsresultaterne bedømtes 4 uger efter behandlingen og er sammenfattet i nedenstående tabel. Det ses deraf tydeligt, atIn a greenhouse experiment, pots were sown with different kinds of weeds, after which the seeds were covered with little soil, and on the same day, compounds A and B were sprayed separately on the soil surface, in 35 quantities, individually as well as in combinations. The test results were assessed 4 weeks after treatment and are summarized in the table below. It can be clearly seen that
DK 154743 BDK 154743 B
8 for kombinationerne er virkningen på nogle arter ukrudt større, end det var at forvente efter den ovenfor anførte formel, hvilket vil sige, at der er tale om synergistiske virkninger.8 for the combinations, the effect on some species of weeds is greater than would be expected by the above formula, that is, synergistic effects.
5 Tabel ITable I
(AS = aktivt stof)(AS = active substance)
Virkning på Stellaria media _Beskadigelse i %_Impact on Stellaria media _ Damage in% _
Forb. B (mg AS/potte) 10 _ mg AS/potte__0 15 30 60 0 0 30 65 80Conn. B (mg AS / jars) 10 _ mg AS / jars__0 15 30 60 0 0 30 65 80
Forb. 7,5 j 0 (30) 40 j (65) 75 (80) 90 A 15 ‘0 (30) 60 j (65) 80 (80) 95 __30_I 0 (30) 80 I (65) 95 (80) 100 15Conn. 7.5 j 0 (30) 40 j (65) 75 (80) 90 A 15 '0 (30) 60 j (65) 80 (80) 95 __30_I 0 (30) 80 I (65) 95 (80) 100 15
Virkning på Chenopodium album _Beskadigelse i %_Impact on Chenopodium album _ Damage in% _
Forb. B (mg AS/potte) _mg AS/potte__O__15__30 _ 20 0 0 30 75Conn. B (mg AS / jars) _mg AS / jars__O__15__30 _ 20 0 0 30 75
Forb. 7,5 20 (40) 55 (80) 85 A 15 40 (58) 75 (85) 95 __30_ 60 (72) 85 (90) 99__ 25 Virkning på Galium aparine _Beskadigelse i %_Conn. 7.5 20 (40) 55 (80) 85 A 15 40 (58) 75 (85) 95 __30_ 60 (72) 85 (90) 99__ 25 Effect on Galium aparine _ Damage in% _
Forb. B (mg AS/potte) _ mg AS/potte_ 0__125_ 250__500_ 0 0 0 0 20 30 Forb. 62,0 40 (40) 45 (40) 60 (52) 65 A 125 60 (60) 70 (60) 75 (68) 80 I_ 250_j 85 1(851 90 (85) 95 1 (88) 99 35Conn. B (mg AS / pots) _ mg AS / pots_ 0__125_ 250__500_ 0 0 0 0 20 30 Forb. 62.0 40 (40) 45 (40) 60 (52) 65 A 125 60 (60) 70 (60) 75 (68) 80 I_ 250_j 85 1 (851 90 (85) 95 1 (88) 99 35
OISLAND
99
DK 154743 BDK 154743 B
Biologisk eksempel 2Biological Example 2
Der afprøves både de enkelte aktive stoffer samt kombinationer af de i eksempel 1 i GB patentskrift nr.Both the individual active substances and combinations of those in Example 1 of GB patent specification no.
1.348.428 angivne herbicider I og.II samt IX og X i sammen-5 ligning med de her omhandlede kombinationer af trifluralin (=A) og isoproturon (=B) i kulturer af hvede og byg med de i tabel II nævnte ukrudtsarter i de ligeledes i tabel II gengivne anvendelsesmængder (kg/ha) og blandingsforhold.1,348,428 listed herbicides I and II and IX and X in comparison with the present combinations of trifluralin (= A) and isoproturon (= B) in wheat and barley cultures with the herbicides listed in Table II also the amounts of application (kg / ha) and mixture ratio shown in Table II.
Til denne afprøvning udlægges frøene af de angivne 10 eetårige ukrudtsarter samt af hvede og byg som kulturplanter i plantepotter i et væksthus på gængs måde, og hver gang behandles plantepotternes jordoverflade på udsåningsdagen med de nævnte herbicider og herbicidblandinger i de angivne mængder, og plantepotterne henstilles i et væksthus. Boni-15 teringen sker 4 uger efter udsåningen. Resultaterne (i % beskadigelse) er gengivet i sammenfattet form i tabél II (0% = ingen beskadigelse, 100% = total beskadigelse).For this test, the seeds of the 10 year-old weeds as well as of wheat and barley are cultivated as crops in plant pots in a greenhouse in the usual manner, and each time the soil pots' soil surface is treated with the said herbicides and herbicide mixtures in the specified quantities, and the plant pots are recommended in a greenhouse. The bonus is done 4 weeks after sowing. The results (in% damage) are summarized in Table II (0% = no damage, 100% = total damage).
Forklaring: I = N-Ally1-N-p-chlorethy1-2,6-dinitro-4-trifluormethylanilin 20 II = N-Propyl-N-8-chlorethyl-2,6-dinitro-4-trifluormethylanilin IX = N-m-Trifluormethylphenyl-N',N'-dimethyl-urinstof (fluo- meturon) X = N-p-Chlorphenyl-N',Ν'-dimethyl-urinstof (monuron) 25 30 35Explanation: I = N-Ally1-Np-chloroethyl-2,6-dinitro-4-trifluoromethylaniline II = N-Propyl-N-8-chloroethyl-2,6-dinitro-4-trifluoromethylaniline IX = Nm-Trifluoromethylphenyl-N ', N'-dimethyl-urea (fluoromethuron) X = Np-Chlorophenyl-N', Ν'-dimethyl-urea (monuron)
DK 154743 BDK 154743 B
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Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782842142 DE2842142A1 (en) | 1978-09-28 | 1978-09-28 | HERBICIDAL AGENTS |
| DE2842142 | 1978-09-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK405879A DK405879A (en) | 1980-03-29 |
| DK154743B true DK154743B (en) | 1988-12-19 |
| DK154743C DK154743C (en) | 1989-06-05 |
Family
ID=6050645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK405879A DK154743C (en) | 1978-09-28 | 1979-09-27 | HERBICIDE MEDICINAL CONTAINING TRIFLURALIN AND ISOPROTURON AND USING IT |
Country Status (15)
| Country | Link |
|---|---|
| EP (1) | EP0009716B1 (en) |
| AT (1) | ATE991T1 (en) |
| AU (1) | AU5121779A (en) |
| CS (1) | CS209938B2 (en) |
| DD (1) | DD146238A5 (en) |
| DE (2) | DE2842142A1 (en) |
| DK (1) | DK154743C (en) |
| ES (1) | ES484377A0 (en) |
| GR (1) | GR70374B (en) |
| IE (1) | IE48948B1 (en) |
| IL (1) | IL58327A0 (en) |
| NZ (1) | NZ191680A (en) |
| PL (1) | PL121667B1 (en) |
| PT (1) | PT70237A (en) |
| SU (1) | SU971075A3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2442011A1 (en) * | 1978-12-21 | 1980-06-20 | Lilly Industries Ltd | Herbicidal non-caking water-dispersible powder - contg. a tri:fluoromethyl-di:nitro-aniline, a phenyl-urea, and fumed silica or precipitated silica (BE 21.5.80) |
| EP0078555B1 (en) * | 1981-10-08 | 1986-07-30 | Shell Internationale Researchmaatschappij B.V. | Herbicidal composition and method of combating undesired plant growth |
| DE10160139A1 (en) * | 2001-12-07 | 2003-06-18 | Bayer Cropscience Gmbh | Synergistic herbicidal compositions containing certain herbicides from the group of benzoylcylohexanediones |
| CN111567523A (en) * | 2020-06-22 | 2020-08-25 | 安徽喜田生物科技有限公司 | Herbicidal composition containing trifluralin and pretilachlor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1348428A (en) * | 1970-07-28 | 1974-03-20 | Basf Ag | Herbicidal compositions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH505552A (en) * | 1968-02-13 | 1971-04-15 | Ciba Geigy Ag | Selective herbicidal phenyl-ureas |
| DE2039041A1 (en) * | 1970-08-06 | 1972-02-17 | Hoechst Ag | Herbicides |
-
1978
- 1978-09-28 DE DE19782842142 patent/DE2842142A1/en not_active Withdrawn
-
1979
- 1979-09-19 DE DE7979103519T patent/DE2962824D1/en not_active Expired
- 1979-09-19 EP EP79103519A patent/EP0009716B1/en not_active Expired
- 1979-09-19 AT AT79103519T patent/ATE991T1/en active
- 1979-09-21 ES ES484377A patent/ES484377A0/en active Granted
- 1979-09-25 DD DD79215778A patent/DD146238A5/en unknown
- 1979-09-26 AU AU51217/79A patent/AU5121779A/en not_active Abandoned
- 1979-09-26 GR GR60113A patent/GR70374B/el unknown
- 1979-09-26 NZ NZ191680A patent/NZ191680A/en unknown
- 1979-09-26 IL IL58327A patent/IL58327A0/en unknown
- 1979-09-27 DK DK405879A patent/DK154743C/en not_active IP Right Cessation
- 1979-09-27 PT PT70237A patent/PT70237A/en unknown
- 1979-09-27 SU SU792815447A patent/SU971075A3/en active
- 1979-09-27 PL PL1979218562A patent/PL121667B1/en unknown
- 1979-09-27 IE IE1837/79A patent/IE48948B1/en unknown
- 1979-09-28 CS CS796591A patent/CS209938B2/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1348428A (en) * | 1970-07-28 | 1974-03-20 | Basf Ag | Herbicidal compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| DK154743C (en) | 1989-06-05 |
| DK405879A (en) | 1980-03-29 |
| SU971075A3 (en) | 1982-10-30 |
| PL121667B1 (en) | 1982-05-31 |
| AU5121779A (en) | 1980-04-03 |
| NZ191680A (en) | 1982-02-23 |
| PL218562A1 (en) | 1980-07-14 |
| EP0009716A1 (en) | 1980-04-16 |
| PT70237A (en) | 1979-10-01 |
| EP0009716B1 (en) | 1982-05-12 |
| ES8107002A1 (en) | 1980-12-01 |
| ES484377A0 (en) | 1980-12-01 |
| DD146238A5 (en) | 1981-02-04 |
| CS209938B2 (en) | 1981-12-31 |
| IE791837L (en) | 1980-03-28 |
| DE2962824D1 (en) | 1982-07-01 |
| DE2842142A1 (en) | 1980-04-10 |
| IL58327A0 (en) | 1979-12-30 |
| ATE991T1 (en) | 1982-05-15 |
| IE48948B1 (en) | 1985-06-26 |
| GR70374B (en) | 1982-09-30 |
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