DE1567042A1 - Method for the selective defense of Digitaria and Setaria - Google Patents

Description

? 536/2548/2549 / 259O / 2591-G Div. lVa / 45 1 Tr ₆ Ao

BI. DU PONT DE NEHOTJRS AND COMPANY tOth and Market Streets, Wilmington, Delaware 19 898, V.St.A.

Method for the selective control of Dlgitaria and Setaria

The invention relates to a method for selective control from Digitaria (Fingergrae) and Seteria (Puohßechwanisgrae) in Presence of the grass grass A ^ roetia, Poa, Festuoa or Diohondra, which “confirms in it, daae the location of the plant waohetum Before the emergence of Digitaria and Setaria with the cyclohexanols, the carboxylic acid was found in quantities of 0.16 to 22.4 kg / ha is treated.

It was found that the pre-emergence treatment of an area in the Digitaria or Setaria in the presence of Nutzraaengra » • era wlohit, with the cyolohexane clester clay carbanilic acid see below a benevolent delay in the growth of the germinating weeds Mgitaria or, Setaria, without any visible effect on the other (cutter leads.

- 1 "
BAD ORlGlNAU

0 0 »iit) / 18S2

2536/2548/2549 / 259O / 2591-G

Many compounds are already known that kill fingerweed. However, these compounds also kill turf grass »Pingergrass usually grows between desirable lawn grasses» Therefore, it is impractical to use one of these compounds to kill the finger grass. Setrachlorterephthalsäuredifflethylester, a commercially available 3? Inger grass control agents, destroyed Although this weed without the existing lawn grasses attack, The compound has, however © inen harmful influence, W3nn it is applied immediately after ilem Ausoäan of fresh grass. Therefore it is not recommended by ihroia manufacturer for use on fresh lawns.

Also the cyclohexanol ester of carbanilic acid ± sü already known as a killing agent for lingergrass; cf. * D "K% George and coworkers, US, Io Chemical Company, Agricultural and rood Chemistry, 2 (19Ή), pages'-556. It has _si:; however, h yet niuht from the fact Reohennchaft given that the Cyolohexanolestar dor Carbanilnäurii liingorgfas kills without the desirable Ras en router abüutöfc-ni. D: les »! <? ■ · there is that no one biahe * e dia. \ Nwon;" Mmg has a connection on lawn two layers of soles, although it is almost completely uncomfortable that the compound kills iingei'gras.

BATHROOM OFtIGINAL.
009830/1892

2536/2548/2549/2590 / 2591-0 Div "

The invention is based on the finding ₉ that the Gyelohexanolsstar d @ r öarbaniXsäur © uniquely © Eigenens © adhere ", you have no other?" Previously "known PingergrasfeeldämpfungsmitteX © jßf shows, Me use of this compound enables @e _? HasengK-äser, as pos land lestuoa, in the spring of olans the danger aupflansenj that these desired grass grass will be displaced by Mgitaria or Sstaria »" before they have consolidated ₀

If in this VJeis® treated-soil, the Digit & ri © * · and S © * aria ~ SaHjan vn & ausßerdsm freshly g © pflaa ^ t © s Easeags? S, s Milts well t. © '-. ^c äi3ses? t turns ₅ so the EaBangreas mnfi "felei grife" The mervjüjasoiit® lisgergEas und lme2isse] awaa ^ grK? as äug® men mtwlokelt see Eielit sau s «? - sg © waela @ © a © 3a Bfianscao 3) ah © r uird fisr garden propertyer nleht thru the uglier »" brown]?

Zna amns ans et smig en

The UnlsrauttefeäBipfmsigssiittel geiaäse ά @ Λ? E ^ find ^ ng werdf; i> i fiB ^^ l Mixing 3es Cjelofee ^ aBcOestex- © ¥ oa ös5? 'Öa: üiir; Ut.i2? O jsit c? -, b «jbi or niehrersn o "überfläcrsn £ l: tiv3n I'iittela iie ^ gcßiiellto

The o "berfläofi"! KE; ktiTfe I'liti-cl can, a, Siets-, Dispex'giei-- ™ ofior EmuXgiermitteX be _f welohcrä ^ tsr Sar ISfiiIimf? TV;: -. ¹ Torbi-i / liir- ^ "contributes» AIiLc ^ h-ir ^ l.ä.ohQni-.l '-'. tx ^ ra VI: '- t' ^: -ei köi.; n ': ai Miiiön: li3clt « _t J; .i. t »ionic® ·? ασμ ?. ; λ: * ο'ϊϊ-i.oiaogeii.r · Middle vorvYi>ri;^; c "; w ^ 'öoi: ,, w; -» nah?

0 098 30? 18S2
BATH ORIGINAL

2536/2548/2549 / 259O / 2591-G Misc.

also previously used in similar Uiikeautbekämpfungsmittel Suitable surfactants are Bind in U.S. Patents 2,426,417, 2,655,447, 2,412,510 and 2 139 276. A detailed list of such agents can be found in "Detergents and Emulsifiers— ■ 1963 Annual" by John W. MeOuteheon, Inc. and in "Bulletin E-607" of the United States Agriculture's Bureau of Entomology and Plant Quarantine tsministariums.

Suitable surfactants for the invention herbicides used are fatty acid esters of Polyethylene glycol, condensation products of long-chain aliphatic Alkylolamides, alkyl alkylsulfonates, long-chain aliphatic © Alcohol sulphates, dialkyl esters of sodium sulphosuocinate, ! Fatty acid esters of sodium isethionate, polyoxyethylene thicether and long chain quaternary ammonium chloride compounds,

Surface-active dispersants, such as sodium lignosulfonates, Low viscosity methyl cellulose, polymerized by sodium salts of alkylnaphthalenesulfonic acids, bind also suitable.

More preferred surfactants include the anionic and non-ionic agents, of the anionic surface-active agents are the alkali or Aain-

- 4 .-.

009830/1852

BATH

2536/2548/2549 / 259O / 2591-G Misc.

salts of alkylbenzenesulfonic acids, such as dodeoylbenzenesulfonic acid, Sodium lauryl sulfate, alkylnaphthalene sulfonate, sodium N-ethyl-N-oleyl taurate, the oleic acid esters of sodium isethionate, sodium dioetylsulfosuctanate and ITodium dodecyldiphenyloxyddisulfonate "Preferred. Of the non-ionic compounds are alkylphenoxy-pcly-Cäthylsnoxyi-ethanols, such as the addition compounds aus.Octyl- or Nonylphenol and Ethylene oxide, Erimethylnonylpolyfcthylonlykoläther, addition products from ethyl enojcyd, fatty acids and abietic acid, Addition products of long-chain alkyl mercaptans and Ethylene oxide and addition products from ethylene oxide and fatty acid esters of sorbitol is preferred.

In general, the surfactant is used in the invention used anti-crops in quantities of less than 10, and usually used in amounts ranging from 1 to 5 or even less than 1 weight percent.

Still other surfactants can be added to make up the surfactant weight ratio to increase active ingredient to 5: 1. Larger amounts of surfactants Agents are normally added to increase the growth retarding effect of the active ingredient. if the surfactants applied in higher proportions should preferably be that the ratio of surface

009830/1862

BATH

2536/2548/2549 / 259O / 2591-G Misc.

to active ingredient, expressed in parts by weight, in the range of 1: 5 Ms 5: 1.

The plant growth related agents according to the invention can, with or without a surface-active agent, finely divided inert diluents such as talc, including natural clays Attapulgus clay and Haolin, pyrophyllite, diatomaceous earth, fine synthetic silicas, calcium silicate, carbonates, Calcium phosphates, sulfur., Lime and levers, such as walnut shell flour, Wheat flour, red colum flour, soybean flour and cottonseed flour, contain. The amount of finely divided inorts solid diluent can fluctuate within wide limits, but is usually in the range of 10 to 93 wt .- ^ des growth retardant. The particle size can also vary considerably, but is usually a little under 50μ in the finished weed control agent.

Mixtures that contain both a surfactant and contain a powdery solid substance mixed with the active ingredient, can be ground to wettable powders, which extremely suitable for use as an aqueous spray suitable * In individual mixtures, the amount of cyclohexanol ester stands out of carbanile acid typically 23 to 90 #.

If the mixture is a powdery-in solid, but ke; n surfactant contains, like ZoB «, a dust or a

009830/1862;

BATH ORIGINAL

15670Λ2 Ύ

2536/2548/2549/2590/2591 ° S

granular preparation, is the dex contained in the active ingredient only 0 _? 5 tie- 10 S @ w »- #. If, however, the fteinlsolie, au pills to be extruded to the active substance eathalteu., Derives IIaa with MS "active compound concentrations of, for example, to au .50 $ ·

Öeaisohe, the th active ingredient - and a ia © st @ g solid? Hi-tops included ₉ . let sieve, aacn -au Kör-ae ^ a rad pill arljsiten. -Solohe 6-esaiselie contain äas Y © rdtfemmg @ ®it * feel la general in quantities tone 65 "to 99 ® © ^ *" $ nmd t © n active ingredient in Hengen tos i Ms 55 Gew _e ~ $ «Ss is aieM ®T £ ©: s & ®: 2lt®k _v granulated © ä © r su pills versrfe ©! ^ © ^ ©! S-eaiseliQia, @i? A @

te "'= 3i der Wis-Isstcsff ia © iaesj IjSgtaagissitt ©! g @ 18 © t according to fii © ε ^: ~, §, ixber t' © sg @ f os? arfe @ · SCiiils§5? a®s ₅ aiufgeMattsrtea ■ YeaiSaiemllt eder such g © epEiürc werdsa, se tess the active ingredient sieve, distributed in the granular mass _o Soleiig grains Icöimea O ^ eössasi iron 0.25 bi © 4 $ T6 ram have <. Before sugsweiss © eathalten si © 1 Ms β # Active ingredient »Maa can produce solöh © grains for you» men the feJjit ©; l.ligs Yei-cliteraaBgsiiittel w & d, then f © ia active ingredient niteiaander HiSeM ₉ s »B _o dureli jointaiie • and then dur @ h Susatz toji ¥ as ® @ j? ₉ Uawllaen and frocksien forms. Naoh another embodiment, the active ingredient can a granular fertilizer sugesstst expectant © r ... grain Tb «« pills can? be made * by a mixture of the Cyclohexanolestor the Carbanileäure. Son _f Diluents

0 09830/1852 BAD ORiGiNAL

2536/2548/2549 / 259O / 2591-G Misc.

and water su strands gspress ", the strands are cut up and the product is dried. The size of such pills can be from 2 rain up to cubes with an edge length of 9 r 5 mm range. pills preferably contain the Cyolohexanolester the Garbanilsäure in amounts of 5 Up to 55 ° In addition to the diluents, the granulated compositions can also contain additives such as binding agents, surface-active agents and the like.

Also ground with sand (remisee can after the procedure U.S. Patent 2,581,414. According to dom The method of this patent specification is that used in the present invention Active ingredient evenly distributed in a diluent.

The cyclohexanoleeter of carba nilic acid can also be used in the form of emulsifiable oil solutions. In these plant growth regulating agents 3 ", the surface active agent and an oil form a liquid which is easy to pour and measure. Such solutions can be mixed with water at the point of application to form emulsions containing the weed control agent and a surface active agent Agents have the advantage that the oil often acts as a foam suppressor and since bit counteracts the tendency of large amounts of surface-active agents to foam.

009830/1852 BATH ORIGINAL

2536/2548/2549 / 259O / 2591-G

The oil used in these agents, such as toluene, Leuehtöl, Stoddardsohes solvent, XyLoI * alkylated © naphthalenes, _# Diesel oil, isophorone and the like, should preferably not be miscible with water, but the active ingredient in the amounts as used in the agent Get application, solve

The emulsifiable oil content contains the cyclohexanol ester of carbanilic acid in amounts of 10 to 35 % by weight. The exact Wirkstoffkonsentrati m depends of course naoh the -jeweiligen use, when the oil concentrate at setting ©, where it is put to use, is mixed with water, it is in this case s diluted ark * that © ed © a drug. only contains γοη 0.5 to about 2 - # in consignments.

It is of course also possible to lubricate iiolche oil solutions of the Gyclohexanolesters Garbanilsäure with others, Z ₀ B lind ₀ diesel oil "weed oils to stretch like.

use

The cyclohexanols are the construction :! ! acid can be used directly Pre-emergence treatment of the soil used or intimately mixed with the soil · The amount of active ingredient to be used is in the range from 0.56 to 22.4 kg / ha.

- 9

009830/1852

BATH

2536/2548/2549/2590/2591-G Dir.

The Cyclohexanolester the Carbaailsäure can be used alone or in joint solution with inderen, serving for lawn treatment chemicals · Such chemicals include S ₀ as plant nutrients, fertilizers, insecticides »fungicides, herbicides and nematicides.

Typical insecticides which can be used together with the active ingredient according to the invention are 1,2,3,4,10,10-hexachloro- * 6,7-epoxy-1,4,4a, 5,6,7,8 , 8a-octah; ydro-1,4,5,8-dimethanonaphthalene (dieldrin), 1 2,4,5,6,7 _i &, 8-octaehlor-4 »7-methano-3a, 4,7,7a -tetrahydröindun (chlordane), 1,1,1-triohlor-2,2-bis- (p-methQxyphenyl) -ätban (methoxychlor), 1,1,1-5priohlor-2,2-bis- (p-chlorophenyl) -ä - ': han (DDT) and 1-haphthyl-N-methyloarbamate ("Sevin").

Fungioids, which together with the weed control agent according to the invention can be used are sodium p-dimethylaminobenzene diazosulfonate, Quinone-oxyaminobenzooxohydrazone, tetraalkylthiuram sulfides, such as tetramethylthiuram monosulfide or -disulphide and tetraethylthiurammonoeulphide or -dd-sulphide, Metal salts of ethylene-blB-dithiocarbamic acid, κοBo the hangan, zinc, iron or sodium salt, pentaohlornitrobenzene, Dodecylguanidine acetate, if-iErichlorntethylthiotetrahydrophthalimide (Captan), phenylquecisilbt'raoetat, 2,4-dichloro-6- (o-o-chloroanilino) -a-triazine, N-methylmercury-p-toluene-

009830/1852

BATH ORIGINAL

2536/2548/2549/2590/2591-GDIv. . "

sulfinanilid, Chlorphenolmercurihydroxyde, Nitrophenolmerourihydroxyde, A'thylquecksilberacetat, Äthylquecksirber-2,3 ~ dihydroxypropylmercaptld, Methylcuecksilberacetat, M "thylq, Ueck ~ silver-2,3-dihydroxypropylraerceptid '3,3' -Äthylen-bending (tetraliydrb-4, 6- dimethyl ~ 2H ~ 1,3 »5-thladiazine-2-thione), Ifethylqueoksilberdicyandiamid, K-ithylgeckilter-p-toluene-sulfonanilide, metal salts (for example the iron, sodium or zinc salt), ammonium and amine salts of dialkylachensolachlorbanäuren, hexachloro-tetriocarbamic acids , Methylmercuric nitrile, letracnlorcliinon and H-trichloxmetnylthiaphthalimide.

The control of Digitaria lait the Cyolohexanolester Garbanilic acid can often be beneficial to team up with use ibliciior tfnkraufbekäiapfungemittal take place when the fingergrae grows together with other weeds, which by the second Weedkillers · is fought over.

Typical weed control agents which are used together with the agent according to the invention in the form of sprayable liquids. 2,4-dichlorophenoxyacetic acid (1.1 to 3> 4 kg / ha), 2 _{tons of} 4 »5-triochlorophenoxyacetic acid (0.36 to 1.1 kg / ha) i 2,4i5-triohlophenoxypropiones (0.56 to 1.7 kg / ha) and 1-n-butyl-1-methyl-3- (3,4-dichlorophenyl) urea (1.1 up to 2.2 kg / ha).

- 11 ..
009830/1352

2536/2548/2549 / 259O / 2591-G Div <

If the added weedkillers are acids, they can be used in the form of salts or non-volatile esters will. Even contact heights, such as cacodylic acid, potassium cyanate, Dinitro-sec-butylpbenyl, 1,1'-ethylene-2,2-bipyridylium dibromide, 1,1 »-Dimetfcyl-4,4 '-bipyridyliumdichlorid, Disodium methyl arsonate, amine methyl arsonate and other known agents of this type can be added.

Granulated compositions according to. The invention can also be mixtures which contain the active ingredient on or in granulated fertilizers, such as are used in a known manner for dry use on lawns, golf courses, lawns, meadows and the like. In such compositions, the active ingredient content can be in the range from 0.5 to 10 wt. ZB ₆ can be a conventional Rasendüngsmittel (20: 10: 10) Spray on vermiculite with a solution of weed control agent in such an amount that the finished product contains the active substance in a concentration of 4 to 8 wt .- #. This results in a composition which can be applied with the usual lawn treatment devices in a density of 25 g / n, for example, and at the same time acts as a fertilizer and as a long-lasting fingergrass control agent.

- 12 ·.

009830/1862

2536/2548/2549/2590/2591-G Div,

The application of the weed coating agent according to the invention takes place at the location of the grass grove. "Location ¹¹ is the plant itself _t when it is visible above the ground, or the immediate ground surface is to be understood" where the grass plant develops "

In the following examples, the percentages refer to where applicable unless otherwise specified, narrow down to weight »

Example 1

The following granules are suitable for use. First will a wettable powder made by fine powdering the following ingredients:

Cyolohexanolester of carbanilic acid 50 jß Attapulgueton £ 48

■ atriuiodioctyleulfoeuccini.t 1 £

Sodium lignin sulfonate. 1 $>

The wettable _/ powder is spread over the surface of Vermiculite Nrο 4 by agitation. In order to give the mixture better adhesion, ββ is sprayed with a mixture of ethylene glycol and water.

- 13 BAD ORIGItJAl.

009830/1852

2536/2548/2549 / 259O / 2591-G Misc.

50 $> Containing active ingredient

wettable powder 4 j £

Vermiculite Wr. 4 86 9 δ

Ethylene Glycol $ 5

Water $ 5>

In the case of a modification of the above-mentioned preparation The ethylene glycol can be replaced by a mixture of sodium sulphates of mixed long-chain alkanol fatty acid esters and diethylene glycolate be replaced in a ratio of 1:10 to 10: 1, based on weight «,

The granulated preparation described above is suitable for the pre-emergence treatment of the heminiing of growth of fingergrass in a firm lawn of poa and pestuca, The remedy is pre-sprouted with the help of a grain spreader des Pingergraöes in an active ingredient amount of 18 kg / ha Applied. The fisted inhibition of the fingergrass is so excellent that it can no longer disturb the Resen *

Example 2

The following wettable powder can be diluted with water and used as a sprühmitt el after-run, or in addition to 0.2 to 5 parts of methylnony.lpolyätiiy] onglykoläther per Peil active ingredient in a tank gel ;:

009830 / 18S2 BATH

2536/2548/2549 / 25SO / 2591-G Div <

Oyolohezanol ester d @ r car foiiaic acid 84 i>

MontmoriXlonite $ 13

! Partially desulphonated

Iatriural lignin sulfonate 1

This wettable powder is in an amount τοη 13.5 kg of active ingredient per ha as a pre-emergence spray against Bigitaria nmd Setaria applied in "frise sown saga".

An "excellent growth retardation" of both weed grasses is obtained. At the TJatersuohurg. dsr TTnkräut © r results a strong retardation of the root system »The remedy has 5 © ~ No noticeable effective aul Diohondra, Poa, Festuoa and Agrostis *

Example 5

The following ingredients are mixed, "finely powdered until a homogeneous powder is achieved, and then again if necessary

Cyclohexanol ester of the type "b6" acidic acid Q 25 * 00 tfo

Sodium salt of alkylnaphthalene

sulfonic acid $ 1.00

Methyloellulose from lowar

Yiseositet, 0.25 ^

Attapulgus Clay 73.75 <f °

0 098 30/1852 BAD

? 536/2548/2549 / 259O / 2591 ~ G Div.

The wettable powder described above is before emergence in an amount of 18 legs of active ingredient per hectare in 935.5 liters of water Fighting fingergrass in a consolidated Poa lawn used. Excellent growth retardation is obtained the pinger grass without noticeable damage to the grass grass.

Example. 4th

The following wettable powder is produced according to Example 1 and applied:

Cyclohexanol ester of carbinilic acid

(technical) $ 52.6

Attapulgus Clay 53.0 ^

ITatriuiDalkjlnaphthalinsulfonat 4.0 $>

"Hi SiI 233" 10.0 <f>

MethylueXlulose of lower

Viscosity $ 0.4

The following granulated agent is produced and used according to Example 1:

Wettable powder according to Example 4 nit 5C $ active ingredient content 10.0%

Propy ^ -onGlykoi. $ 5.0>

VcrmicuX't 80.0 &

V / as3er 5.0 #

~ 16 ··

BATH ORIGINAL
0 0 9 8 3 0/1852,

Claims (2)

2536/2548/2549 / 259O / 2591-Ö My. ⁸ "***" Claims I * Method for the selective control of Digitaria and Setaria in the presence of agrostis, poa, festuca or dichondra, thereby marked that one is the location of the growth of the Plants before the emergence of Digitaria and Setaria with the cyclohexanol ester of carbanilic acid in amounts of 0.56 to 22.4 kg / ha treated. 2. The method according to claim 1, characterized in that one the lawn before the emergence of Digitaria and Setaria with the cyclohexanol ester of carbanilic acid in amounts of 2.2 to 9 kg / ha treated ORIGINAL BATHROOM 0098.3QYV862