Synergistic compositions

1 . A synergistic composition comprising a first composition represented by formula III or formula IIIa

and a second composition ii) selected from a), b), c), d), or e) below, wherein

a) is

b) is chlorothalonil, copper hydroxide, copper oxychloride, folpet, captan, fluazinam, cyazofamid, ethaboxam, cymoxanil, dimethomorph, iprovalicarb, benthivalicarb, fosetyl-Al/phosphonic acid, propamocarb, an epimeric and diastereoisomeric form of dipeptide fungicide, or a N-sulfonylvaline amide, or a combination thereof;

c) is a mitochondrial Qo-site inhibitor;

d) is an acylalanine; and

e) is an alkylenebis(dithiocarbamate).

2 . The composition of claim 1 wherein c) is a strobilurin, dihydroimidazolone, or oxazolidinedione fungicide.

3 . The composition of claim 1 wherein c) is azoxystrobin, picoxystrobin, trifloxystrobin, pyraclostrobin, kresoxim-methyl, metominostrobin, fluoxastrobin, enestroburin, fenamidone and famoxadone, or combination thereof.

4 . The composition of claim 1 wherein d) is furalaxyl, metalaxyl, mefenoxam (also known as metalaxyl-M) benalaxyl, ofurace or oxadixyl.

5 . The composition of claim 1 wherein e) is mancopper, mancozeb, maneb, metiram, nabam, propineb, or zineb.

6 . The composition of claim 1 wherein the second composition ii) is a); and the synergistic composition additionally comprises mancozeb, cymoxanil, dimethomorph, copper oxychloride, fosetyl-Al, folpet, or mefenoxam.

7 . A synergistic composition comprising a disease inhibiting and phytologically acceptable amount of a synergistic composition according to claim 1 or claim 6 and at least one additional pesticidal compound selected from the group consisting of fungicides, insecticides, nematocides, miticides, arthropodicides, and bactericides.

8 . A process to control or prevent a fungal attack said process comprising applying to a locus a fungicidal amount of a synergistic composition according to claim 1 or claim 6.