TeYan 30

　　Name of variety: Special Research 30

　　Approval No.: Chuan Shen Yu 20202022

　　Introduction No.: Shan Yanyu 20230089

　　Introduction No.: Yu Introduction 2022 No. 048

　　Source of varieties: S6223 × S6517

　　FeaturesThe plant type is semi-compact, the angle between the main axis of the tassel and the branch is medium, the anther is light purple, the filament is purple, the ear is cylindrical, the grain is yellow, the horse tooth type, and the cob axis is white. In the two-year regional test of Pingqiu group in Sichuan province, the average growth period of spring sowing is 109.4 days, the plant height is 267.8cm, the ear position height is 91.0cm, the ear length is 18.8cm, the ear row number is 18.5, the number of grains is 36.2, the weight of 100 grains is 29.7g, and the seed yield is 87.1. Grain bulk density 782g/L, crude protein 9.4%, crude fat 4.1%, crude starch 72.6%, lysine 0.28%. Inoculation identification: medium resistance to large spot disease, small spot disease and stem rot, susceptible to sheath blight, spike rot and head smut.

　　Yield performance: In 2018, he participated in the regional test of Sichuan Kechuang Corn Consortium Pingqiu Group in Sichuan Province, with an average yield of 588.2kg per mu, 8.8 higher than that of the control unit 30. The test will be continued in 2019, with an average yield of 602.2kg per mu, 6.6 higher than that of the control. The average yield per mu in the two-year regional test was 595.3kg, 7.7 higher than that of the control. In the 2019 production test, the average yield per mu yield was 602.4kg.

　　Suitable planting area: Spring sowing and planting in Pingba hilly area, Sichuan Province. Southern shaanxi spring sowing corn area.

　　Name of variety: Special Research 30

　　Source of varieties: S6223 × S6517

　　Features: The whole growth period is 123 days, which is the same as the 335 of the jade in the control. The plant height is 266cm, the spike height is 99cm, the plant type is semi-compact, the field grows neatly, and there is no lodging or folding. Ear barrel type, grain yellow, horse tooth type, cob white. The ear is 20.0cm long, 5.1cm thick, 0.8cm long, the bald tip is 17.7 rows, the number of grains in the ear is 39.8, the weight of 100 grains is 30.2g, and the seed yield is 85.4. Resistant to large spot disease, spike rot, medium resistance to small spot disease, sheath blight, stem rot.

　　Yield performanceThe average yield per mu in the adaptability test in Chongqing is 548.4kg, which is 6.4 higher than that of the control Zhongyu 335.

　　Suitable planting area: Planted in hilly, flat dam and low mountain areas of Chongqing City at an altitude of 800 meters and below.