Introduction of Dongdan 653 1 Maize Varieties
Dongdan 653 1 is a close-planting tolerant maize variety produced by Liaoning Dongya Seed Industry Co., Ltd., which was designated as a non-transgenic maize variety promoted by the Ministry of Agriculture in 20 16.
Dongdan 653 1 corn has the characteristics of fine grain size, fast dehydration, suitable for mechanized harvesting, good capping, high yield, excellent quality and good grain sales. It is a new trump card variety bred by East Asian seed industry in recent 20 years.
Dongdan 653 1 Announcement of Maize Seed Examination and Approval
Dongdan 653 1 is a new maize variety approved by Liaoning Variety Approval Committee on 20 13 and Hebei Province on 20 16.
As well as many national trials and the approval of various introduction areas, the approval numbers are: Liaoshenyu 20 13007, Guoshenyu 20 176036, Ganshenyu 20 1800 16, Guoshenyu 201866556.
Variety name: Dongdan 653 1
Applicants: Liaoning East Asia Seed Industry Co., Ltd. and Liaoning East Asia Seed Industry Technology Co., Ltd.
Breeding units: Liaoning East Asia Seed Industry Co., Ltd. and Liaoning East Asia Seed Industry Technology Co., Ltd.
Variety source: Hybrid with PH6WC as female parent and 83B28 as male parent.
The characteristics of Dongdan 653 1 maize seeds were introduced in detail.
Main characteristics of varieties
① Maturity
Dongdan 653 1 in the southwest spring maize (middle and low altitude) group, the period from emergence to maturity was 1 18.7 days, which was earlier than Zhongyu 33510.2 days.
② Plant types
Dongdan 653 1 maize seedling has purple leaf sheath, semi-compact plant type, plant height of about 299 cm, ear height of about 107 cm, and the number of leaves per plant is about 20.
③ ear of fruit
The ear of Dongdan 653 1 maize is tubular, the ear length in the bract leaves is about 18.8 cm, and the number of rows per ear is 16-20.
The ear axis of this corn variety is red, the grain is yellow, and the grain shape in the middle of the ear is half-horse-toothed. Its 100-seed weight is about 38.2 grams, the seed rate is 84.9%, the lodging rate is 0.9%, and the lodging rate is 0.4%.
④ composition determination
Tested by the Rice Products Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture, the bulk density of Dongdan 653 1 is 756g/L, the protein content is 8.3%, the fat content is 3.7%, the starch content is 70.7%, and the lysine (hydrolysis) content is 403mg/ 100g.
⑤ Disease resistance
Dongdan 653 1 maize has excellent quality, strong disease resistance, high yield, resistance to leaf blight and lobular blight, moderate resistance to sheath blight, high resistance to stem rot and Fusarium ear rot.
⑥ planting area
Dongdan 653 1 maize seed is suitable for planting in Liaoning province, where the active accumulated temperature is above 2700℃ and it can be fully matured. It is suggested to plant corn in Qinhuangdao, Tangshan and Langfang, Hebei Province.
⑦ Seed price
Dongdan 653 1 corn seeds have two specifications, 4400 seeds per bag and 8000 seeds per bag. Please consult the official customer service for the specific price. (The packaging and price are compiled from the network, please refer to the official platform of Dongdan. )
What is the yield per mu of varieties?
① Liaoning Province
From 20 12 to 20 13, Dongdan 65365438+
② Southwest China.
20 19 to 2020, Dongdan 65365438+
In the production test in 2020, the average yield of Dongdan 653 1 mu was 65 1.0 kg, which was 6.2% higher than that of the control Zhongyu 335.
③ Gansu area
In the 20 16-20 17 regional trial of maize varieties in Gansu province, the average yield per mu of Dongdan 653 1 was 724.2 kg, which was 8.6% higher than that of the control Xianyu 335.
In the production test of 20 17 years, the average yield per mu of Dongdan 653 1 kg was 584. 1 kg, which was 7.8% higher than that of the control Xianyu 335.
Key points of cultivation techniques
The plants of this corn variety are on the high side, so it is necessary to cultivate the soil to prevent lodging and apply ear fertilizer to prevent baldness. The planting density is 4000 plants per mu.
Dongdan 653 1 requires heavy base fertilizer and early topdressing, mainly organic fertilizer, early seedling fertilizer and jointing fertilizer, and heavy bract fertilizer.
Warm reminder: The relevant introduction of this article has been sorted out through the network, and the specific information is subject to the introduction of the corresponding seed official website.