Advanced botrytis control. Teldor is the leading fungicide for controlling botrytis (bunch rot) in grapes. Teldor also controls botrytis (grey mould) on strawberries.Teldor has no adverse impacts on fermentation or the taste of wine, and prevents laccase and polysaccharide formation (which can damage flavour). Like most Bayer products for use in horticulture, Teldor is ‘soft’ on beneficial insects (when used as directed) and fits very well into an IPM program. It can be applied at various stages throughout the crop growth cycle.