Note: Descriptions are shown in the official language in which they were submitted.
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The present invention relates to a fungicide
containing a mixture of various active ingredients.
It is known to use diisopropyl 5-nitroisophthalate
(German 1,218,792) and N-cyclododecyl-2,6-dimethylmorpholine
(German 1,198,125) individually as fungicides.
It has now been found that a fungicide containing
a mixture of diisopropyl 5-nitroisophthalate and N-cyclododecyl-
2,6-dimethylmorpholine in a weight ratio ranying from 1~1 -to
4:1 has a far better fungicidal action than its individual
components.
The term "N-cyclododecyl-2,6-dimethylmorpholine" is
also intended to mean salts of this compound, e.g., N-cyclo-
dodecyl-2,6-dimethylmorpholine acetate.
The fungicide according to the invention is particularly
suitable for protecting plants against diseases caused by
powdery mildews, e.g., Sphaerotheca pannosa in roses, Erysiphe
- cichoracearum in Cucurbitaceae, and Podosphaera leucotricha
in apples.
The ratio in which the active ingredients are mixed
may vary within a wide range. However, a weight ratio of
diisopropyl N-nitroisophthalate to N-cyclododecyl-2,6-dimeth~l-
morpholine of from 1:1 to 4:1 is preferred.
When the fungicides according to the invention
are used for treating plants, application rates are from
; 0.5 to 5 kg/ha.
Application may be effected for instance in the
form of powders, suspensions, dispersions, emulsions, oil
dispersions, pastes, dusts or broadcasting agents by spraying,
atomizing, dusting, broadcasting or watering. The forms of
application depend entirely on the purpose for which the
agents are being used; in any case they should ensure a fine
distributionoE the active ingredient.
,B
~-- 0 Z. 32,451
For the preparation of emulsions, pastes and oil dispersions,
mineral oil fractions of medium to high boiling point, such as kero-
sene or diesel oil, further coal-tar oils, etc. and oils of vegetable
or animal origin, aliphatic, cyclic and aromatic hydrocarbons such as
ben~ene, toluene, xylene, paraffin, tetrahydronaphthalene, alkylate~
naphthalenes and their derivatives such as methanol, ethanol, propanol,
butanol, chloroform, carbon tetrachloride, cyclohexanol, cyclohexanone,
chlorobenzene, isophorone, etc., and strongly polar solvents such as
dimethylformamide, dimethyl sulfoxide, N-methylpyrrolidone, water~ etc.
are suitable.
Aqueous formulations may be prepared from emulsion concentrates,
pastes, oil dispersions or wettable powders by addin~ water. To pre-
pare emulsions, pastes and oil dispersions the ingredients as such or
dissolved in an oil or sol~ent may be homogenized in water by ~eans
of wetting or dispersin~ agents, adheren~s or emulsifiers. Concen-
trates which are suitable for dilution with water may be prepared ~rom
active ingredient, wetting agent, adherent, emulsifying or dispersirg
agent and possibly solvent or oil.
Examples of surfactants are: alkali metal, alkaline earth ~etal
and ammonium salts of ligninsulfonic acid, naphthalenesulfonic acids,
phenolsulfonic acids, alkylaryl sulfonates, alkyl sulfates, and alkyl
sulfonates, alkali metal and alkaline earth metal salts of dibutyl-
naphthalenesulfonic acid, lauryl ether sulfate, fatty alcohol sulfates,
alkali metal and alkaline earth metal salts of fatty acids, salts of
sulfated hexadecanols, heptadecanols, and octadecanols, salts of
sulfated fatty alcohol glycol ether, condensation products of sulfon-
ated naphthalene and naphthalene derivatives ~ri~h formaldehyde, con-
densation products of naphthalene or naphthalenesulfonic acids ~r th
phenol and formaldehyde, polyoxyethylene octylphenol ethers~ ethoxyl-
ated isooctylphenol, ethoxylated octylphenol and ethoxylated nonyl-
phenol, alkylphenol polYJglycol ethers, tributylphenol polyglycol ethers,
alkylaryl polyes~er alcohols, isotridecyl alcohols, fatty alcohol
-- 2 --
~` O.Z 32,451
ethylene oxide condensates, ethoxylated castor oil, polyox~Jethylene
alkyl ethers, etho~Jlated polyoxypropylene, lauryl alcohol polygl~Jcol
ether acetal, sorbitol esters, lignin, sulfite waste liquors and
methyl cellulose.
Powders, dusts and broadcasting agents may be prepared by mixing
or ~rinding the active ingredients with a solid carrier.
The ~ormulations contain from 0.1 to 95, and pre~erably 0.5 to
90, % by weight of active ingredient.
There may be added to the compositions oils of varlous ~ypes,
herbicides~ ~ungicides, nematocides, insecticides, bactericides,
trace elements, fertilizers, antifoams (e.g., silicones) and g.owth
regulators.
EXAMPLE
Outdoor roses of the "Superstar't variety were sprayed to runoff
4 times during a vegetation period with aqueous suspension3 of the
active ingredient mixtures, in the mixture and weight ratios given
in the table; the individual components were used for comparison. As
the roses suffered natural attack by the fungus Sph~erotheca pannosa,
artificial in~ection was not necessary. Upon conclusion of the e~-
periment, the number o~ mildew colonies on the leaves was counted.
Active Ratio Wt% of active No. of mildew
ingredient ingredient in liquor colonies/100 leaves
N-cyclododecyl- 1:1 0.05 + 0.05 73
2,6 dimethyl-
morpholine acetate 1:1.5 0.04 + 0.06 86
f
diisopropyl 5-
nitroisoph~halate 1:4 0.02 ~ o.o8 105
N-cyclododecyl-
2,6-dimethyl- - 0.1 124
morpholine acetate
diisopropyl 5- _ 0 1 150
nitroisophthalate
7 ~ ~ ~
O,Z. 32,45 L
The results of this experiment show that the mixture, when
employed in the same concentration (0.1%) as the individual active
ingredients, has a better fungicidal action than both components
used alone.
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