CHICAGO, June 26 (Xinhua) -- Chicago Board of Trade (CBOT) agricultural commodities traded lower Tuesday morning, with soybean futures falling for the second consecutive day this week, amid massive selling triggered by trade tensions.

July corn was 1 cent lower at 3.49 U.S. dollars per bushel as of 1230 GMT, July wheat was 1.5 cents lower at 4.75 dollars, July soybean was down 0.5 cent at 8.74 dollars.

Traders worried about the export prospect of U.S. soybean, as intensifying trade tensions between the United States and China weighed on market sentiment.

Weekly Crop Progress Report, which is released on Monday by the U.S. Department of Agriculture, showed 77 percent of the U.S. corn (down 1 percentage), 73 percent of the U.S. soybean, and 77 percent (down 1 percentage) of the U.S. spring wheat crop were rated good to excellent condition.

According to the report, the next three weeks are critical for U.S. corn production with much of the U.S. corn crop being pushed by above normal temps. Enditem