High Quality Natural Hybrid Corn Sweet Seeds

Bisheng 118 is a maize variety bred by Yimin Maize Research Institute of Dazhu County.

Characteristics:

The whole growth period is 116 days. The first leaf sheath is dark purple, and the tip of the first leaf is round. The plant height is 298cm, the ear height is 118cm, and the total number of leaves per plant is about 20; The angle between the leaf and the stem is small, the degree of stem "zigzag" is absent, the leaf sheath is green, the angle between the main axis of the male spike and the branches is small in the number of primary lateral branches of the male spike, the attitude of the lateral branches of the male spike is linear, and the length of the main axis above the highest lateral branch of the male spike is green, the color of the base of the male spike glume is green, the color of the glume is green except the base, the color of the anther is green, and the color of the filament is green. The ear shape is cylindrical, the ear length is 19.3cm, the number of rows per ear is 16.7, the number of grains per row is 36.7, the 1000 grain weight is 263g, and the seed yield is 85.9%. The grain type is horse tooth type. The top of the grain is mainly yellow, the back of the grain is yellow, the rachis glume is white, and the grain arrangement is straight. Grain volume weight 745g/L, crude protein 11.7%, crude fat 4.7%, crude starch 75.9%, lysine 0.33%. After inoculation and identification, it is moderately resistant to small leaf spot, sheath blight and ear rot, and susceptible to big leaf spot, head smut and stem rot.

Output performance:

In 2012, it participated in the regional test of Sichuan hybrid corn Pingqiu group, with an average yield of 505.1 kg per mu, 5.0% more than the control Chengdan 30; In 2013, the average yield per mu was 546.8 kg, an increase of 6.3% over the CK Chengdan 30; The average yield per mu in the two-year regional trial was 526.0 kg, an average increase of 5.8% over the control. In the production test in 2014, the average yield per mu was 572.8kg, 9.1% higher than the control Chengdan 30. The average yield increase point rate of two-year regional test and production test was 79%.

Key cultivation points:

1. It is advisable to sow from mid March to early April; About 3200 plants are planted per mu.

2. Heavy application of base fertilizer, light application of jointing fertilizer, heavy application of ear tapping fertilizer, combined application of nitrogen, phosphorus and potassium.

3. It mainly prevents and controls diseases and insect pests.