A hot, dry summer in some major grain growing areas in the bloc lead several forecasters to severely reduce their estimates for crops such as maize (corn).
The EU executive left unchanged its forecast for EU-27 exports of common wheat, or soft wheat.
Wheat heading lower as part of broad markets sell-off related to rising COVID-19 cases in Europe and the United States. Forecasts for rain in US Plains add pressure.
CBOT December corn was last 10-1/2 cents lower at $4.05-1/2 per bushel.
Wheat heads higher on technical buying and poor weather in Russia, Argentina and other wheat-producing countries that could tighten global exportable supplies.
Corn seen firm on technical buying and expectations of export demand from China. Fresh export sales may lend support.