Zhengmai 136 is a semi-winter variety, with a total growth period of 230-233 days and a plant height of 74.7-80.4cm, which is slightly earlier than the control variety Zhoumai 18. The seedlings have strong leaves, thin leaves, good cold resistance, strong tillering ability and many ears; The wheat planted is round, bright, full and marketable.

I. Variety characteristics

1 and Zhengmai 136 are semi-winter varieties, and the whole growth period is 230-233 days, which is slightly earlier than the average maturity of the control variety Zhoumai 18. Seedling creeping, narrow leaves at seedling stage, strong seedling vigor, strong tillering ability, good cold resistance in winter, late jointing in spring, rapid polarization, and average cold resistance in late spring.

2. The plant height is 74.7-80.4 cm, the plant type elasticity is moderate, the stem elasticity is good, and the lodging resistance is good; The flag leaves are wide and upturned, the stems and leaves are waxy, the lower ear nodes are longer, and the ear layer is more tidy; The leaves have long functional period and good maturity; Spindle-shaped spike, long awn, white shell, white grain, half-angle plasmid, good fullness; The number of ears per mu is 41.3-449,000, the number of grains per ear is 30.2-34.2, and the 1000-grain weight is 44.6-47.0g.

Second, the variety introduction

The verification number is Yushenmai 20 180008. The applicant is Wheat Research Institute of Henan Academy of Agricultural Sciences, and the breeder is Wheat Research Institute of Henan Academy of Agricultural Sciences. The source of the variety is Bainong AK58/ McKee 22.

Iii. Identification of disease resistance

Zhengmai 136 is resistant to powdery mildew, moderately susceptible to stripe rust, leaf rust and sheath blight, and highly susceptible to scab.

Fourth, quality results.

1 and 20 15, protein content is 13. 16%, bulk density is 828g/L, wet gluten content is 28.3%, falling value is 440 seconds, sedimentation index is 74mL, and water absorption is 63.2 ml//kloc.

2.20 16 protein content 12.77%, bulk density 8 15g/L, wet gluten content 25. 1%, falling value 48FU seconds, sedimentation index 56mL, water absorption 59.5mL/ 100g. .

Verb (abbreviation of verb) output performance

During the years of 1 and 20 14-20 15, he participated in the regional test of winter wheat group in Henan Province, and the yield increased by 80.0%, with an average yield of 542.2 kg per mu, which was 4.7% higher than that of the control.

2.20 15-20 16 continued the experiment, and the yield increased by 9 1.7%, with an average yield of 558.4 kg per mu, which was 9.9% higher than that of the control.

The annual production test of 3.20 16 ~ 20 17 showed that the yield increase rate was 100%, and the average yield per mu was 563.7 kg, which was 6.7% higher than that of the control.

Key points of cultivation techniques of intransitive verbs

Suitable for planting in early and middle stubble fields in Henan Province (except in the middle and lower reaches of the Yangtze River in the south). The suitable sowing date is 65438+1mid-October, and the suitable yield of basic seedlings per mu is 1.5-0.24 million plants. Attention should be paid to the prevention and control of aphids, stripe rust, leaf rust, scab and sheath blight when planting.