Mixtures comprising strobilurins and ethylene modulators

摘要

The disclosure relates to mixtures comprising: (a) a compound of the formula (I) in which X, m, Q and a are as defined in the specification and (b) one or more ethylene modulators (II) selected from the group consisting of: inhibitors of ethylene biosynthesis inhibitors which block the conversion of ACC into ethylene, selected from the group consisting of: Co++ or Ni++ ions in plant-available forms; phenolic radical scavengers such as n-propyl gallate; polyamines, such as putrescine, spermine or spermidine; structural analogs of ACC, such as alpha-aminoisobutyric acid or L-aminocyclopropene-1-carboxylic acid; salicylic acid or acibenzolar-S-methyl; structural analogs of ascorbic acid which act as inhibitors of ACC oxidase, such as prohexadione-Ca or trinexapac-ethyl; and triazolyl compounds such as paclobutrazol or uniconazole as inhibitors of cytochrome P-450-dependent monooxygenases whose main action is to block the biosynthesisof gibberellins; and inhibitors of the action of ethylene selected from the group consisting of: structural analogs of ethylene such as 1-methylcyclopropene or 2,5-norbornadiene and 3-amino-1,2,4-triazole or Ag++ ions, in a weight ratio of (I) to (II) of from 20 : 1 to 0.05 : 1; with the proviso, that the combination of (1) azoxystrobin, kresoxim-methyl, metominostrobin, trifloxystrobin, picoxystrobin with prohexadione-Ca; and (2) orysastrobin with acibencolar-S-methyl; are excluded. Also disclosed is process for controlling rust infections in legumes (such as rust infections caused by Phakopsora pachyrhizi and/or Phakopsora meibomiae on leaves and fruits of soya plants), which comprises treating the above-ground plant parts of the legumes with an aqueous preparation of said mixture. The disclosure also relates to compositions comprising these mixtures and to their use for controlling harmful fungi.