German chemical giant Bayer is to appeal against a Missouri court’s award of $265m (£203m) to a US peach grower who blamed a herbicide for crop damage.

Farmer Bill Bader sued Bayer and BASF, alleging that dicamba weedkiller drifted onto his orchard from nearby fields, destroying them.

It is the first ruling in some 140 US cases against dicamba, a herbicide blamed for extensive crop damage.

Bayer says its herbicides pose no unreasonable risk if used correctly.

The US agrochemical giant Monsanto, bought by Bayer for $63bn in 2018, sells dicamba-based herbicide and a similar, much-criticised product, Roundup.

US lawsuits against Monsanto’s weedkillers may cost Bayer billions of dollars in damages.

It is not yet clear how Bayer and BASF may share the cost of the Missouri damages.