Ukraine crisis to push up world grain prices

World grain prices: Events in Ukraine are likely to push up world  grain prices across the world, according to the CEO of the research and consultancy firm ProZerno Vladimir Petrychenko. Speaking at the Agroholdings Russia conference in Moscow on Friday, he predicted that wheat prices will rise by 4.5-5% and corn by 5.9% from July onwards, and that Russian grain exports could rise from 26m tons to 30m tons. Interfax