Fungicidal active compound combinations

Details Fungicidal active compound combinations Fungicidal active compound combinations

2001-02-05

2002-12-17

Robinson, Allen J. (Department: 1616)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C514S478000, C514S479000

Reexamination Certificate

active

06495575

ABSTRACT:

The present application relates to new active compound combinations composed of, on the one hand, valinamide derivatives and, on the other hand, of other, known fungicidal active compounds, and which are highly suitable for combating phytopathogenic fungi.
It is already known that valinamide derivatives has fungicidal properties (cf. EP-A 472,996). The activity of this substance is good; however, it leaves something to be desired in some cases when low application rates are used.
Furthermore, it is already known that a large number of azole derivatives, aromatic carboxylic acid derivatives, morpholine compounds and other heterocycles can be employed for combating fungi (cf. K. H. Büchel “Pflanzenschutz und Schädlingsbekämpfung” [Crop Protection and Pest Control] pages 87, 136, 140, 141 and 146 to 153, Georg Thieme Verlag, Stuttgart 1977). However, the activity of the substances in question is not always satisfactory when low application rates are used.
It has now been found that the new active compound combinations of valinamide derivatives of the general formula (I)
in which
R
1
represents i-propyl or s-butyl and
R
2
represents chlorine, methyl, ethyl or methoxy, and
(A) dichlofluanid, of the formula
and/or
(B) tolylfluanid, of the formula
and/or
(C) tetrachloro-isophthalo-nitrile of the formula
and/or
(D) propineb, of the formula
and/or
(E) tetramethyl-thiuram-disulphide, of the formula
and/or
(F) mancozeb, of the formula
and/or
(G) dyrene, of the formula
and/or
(H) copper oxychloride
and/or
(I) captan of the formula
and/or
(K) a morpholine derivative of the formula
and/or
(L) dithianon, of the formula
and/or
(M) Phaltan, of the formula
and/or
(N) cymoxanil, of the formula
and/or
(O) propamocarb, of the formula
(CH
3
)
2
NCH
2
—CH
2
—CH
2
—NHCO—OCH
2
CH
3
  (XIII)
or its hydrochloride
and/or
(P) fosetyl, of the formula
or the aluminium adduct thereof
and/or
(Q) metalaxyl, of the formula
and/or
(R) oxadixyl, of the formula
and/or
(S) fluazinam, of the formula
and/or
(T) methoxyacrylates, such as
methyl (E)-2-{2-[6-(2-cyanophenoxy)pyrimidin-4-yloxy]-phenyl}-3-methoxyacrylate, of the formula
and/or
(U) methoximinoacetates, such as
methyl (E)-methoximino[&agr;-(o-tolyloxy)-o-tolyl]acetate of the formula
and/or
(V) furalaxyl
&Lgr;
methyl-N-(2-furoyl)-N-(2,6-xylyl)-alanit
and/or
(W) azoles of the formula
I XCl, Y=—(CH(OH)—(Triadimenol)
III X=Cl, Y=—CO-(triadimefon)
IV tebuconazole of the formula
and/or
(X) etridiazole=3-trichlormethyl-5-ethoxy-1,2,4-thiadiazole
and/or
(Y) pencycuron=1-(4-chlorbenzyl)-1-cyclopentyl(-3-phenylurea
have very good fungicidal properties.
Surprisingly, the fungicidal activity of the active compound combinations according to the invention is substantially greater than the total of the activities of the individual active compounds. This means that a true synergistic effect, which could not have been predicted, is present, not merely a complemented activity.


REFERENCES:
patent: 5453531 (1995-09-01), Seitz et al.
patent: 472996 (1991-08-01), None
patent: 493683 (1991-11-01), None
patent: 550788 (1992-01-01), None
Worthing et al., The Pesticide Manual, ninth edition, (1991), p. 402.*
Brighten Group Protection Conference (1992) 5-6, 435-37.

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