Introduction to the Characteristics and Traits of Bori 9 Corn Seeds

The plant type is compact, with a plant height of about 265 cm, an ear position of about 100 cm, and about 21 leaves on the mature plant. The ear is cylindrical, with an ear length of about 25.8 cm, 18-20 rows of kernels per ear, a red cob, and yellow kernels of the dent type, with a 100-kernel weight of about 45.0 g and a shelling rate of 83.0%. The lodging (stalk breakage) rate is 1.1 (1.5)%. Determined by testing, the kernel test weight is 780 g/L, the crude protein content is 10.3%, the crude fat content is 3.14%, and the crude starch content is 74.24%.

Yield performance: In 2015, it entered the preliminary trial of the medium-maturity group regional test, with an average yield of 831.2 kg/667 sq m, an increase of 8.9% over the control Xianyu 335; in the 2016 re-trial, the average yield was 782.4 kg/667 sq m, an increase of 10.8% over the control Xianyu 335. In 2016, it entered the production test of the same group, with an average yield of 774.3 kg/667 sq m, an increase of 6.9% over the control Xianyu 335.

Key cultivation techniques: It prefers fertilizer and water, and should be planted on land with medium to above-medium fertility. Clean planting is suitable, with 4000 plants/667 sq m retained. Before sowing, seed coating agents or chemical seed dressing may be used to control soil-dwelling pests; Trichogramma wasps may be released to control corn borers.