Based on the 203 F_(2:3) families of the hybrid ND108 in maize, a genetic linkage map contains 2588.9cM with 179 SSR markers was constructed, the interval distance was 14.5cM.The F_(2:3) populations were evaluated in the farmer of Henan Agricultural Uuniversity and Xinzheng county with the randomized complete block design and two replications. The traits including ear length, ear diameter, axial width, row number, kernals per row, weight per hundred grains, ear weight, grain weight and the variety of plant ...