Russian food authorities claimed the imports have excessive pesticide and nitrate levels.
Russia banned imports of various Ukrainian foods Thursday, as well as certain canned goods last week. In 2013, it banned chocolate products of the Roshen Confectionary Corp., the company owned by businessman Petro Poroshenko, who has since become Ukraine's president.
The pro-Western policies of two former Soviet Union republics, Georgia and Moldava, have resulted in similar bans on their food products.
Poland has been critical of Russia's annexation of Crimea and involvement with separatist rebels in Ukraine, and its agriculture commodities amount to 3.8 percent of its total gross domestic product. It will likely seek compensation from the European Union for its loss of earnings.
Polish citizens have been posting images of apples on social media to protest the situation.