Chicago wheat futures , a benchmark of global prices, have risen around 20% since Russia ended the deal on July 17.
It's absolutely an important national security issue for a lot of these African countries," he said.
Putin says Russia is expecting a record harvest this year and is ready to fill the gap for African countries by supplying grain both commercially and for free.
Dizolele said, noting that Russia backed African countries at the U.N., had defence and security agreements with some of them and gave scholarships to their students.
But Putin's response, when Ramaphosa and other African leaders presented the proposal to him last month, was to repeat a familiar list of accusations against Ukraine and the West.
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