This is non-sense this article is from 2021
https://theconversation.com/russias-war ... ggs-178879
In case you can see the price for maize and barley heavily impacted too, this happened in the past like in the 2008 crisis and lead to food riots and more suffering everywhere.
Another thing one can consider, the world doesn't have emergency food reserve, countries have emergency oil or gas reserve, not food.