The present invention relates to novel 2-iodoimidazole derivatives, to processes for preparing these compounds, to compositions comprising these compounds and to their use as biologically active compounds, in particular for controlling harmful microorganisms in crop protection and in the protection of materials and as plant growth regulators.本發明係有關新穎之2-碘咪唑衍生物、製備該等化合物之方法、包含該等化合物之組成物及其作為生物活性化合物(特別是用於控制作物保護及材料保護上之有害微生物)與植物生長調節劑之用途。