Ningdan 11 (Ningjing No. 1)

Variety Approval No. Ning Suyu 2007001

Ningxia Academy of Agricultural and Forestry Sciences, Crop Breeding, 178TZ449 Crossbreeding

Characteristics The seedlings are dark green, purple in leaf sheath, robust in plant growth, broad in leaves, covered in leaves and 20 leaves in the whole plant. Plant height 240cm (intercropping) -285cm (single species), ear height 110cm (intercropping) -135cm (single species), stem diameter 2.0cm. Anthers yellow, tassels branched 10-14, females flowers filaments red, tuber shape, red cob, grain yellow, half dentate, spike length 19.3cm, ear thickness 5.3cm, ear rows 16-18 lines , 35 grains per row, single ear weight 200g, 100 grain weight 33.6g, the seed rate 85.5%. The Ministry of Agriculture Grain Quality Supervision, Inspection and Test Center (Beijing) determined: grain bulk density 749g/l, crude protein 9.38%, crude fat 4.5%, crude starch 72.4%, lysine 0.31%.

The fertility period is 133 days and it is a mid-mature, medium pole, and compact big ear variety. The live stalk is mature, has strong lodging resistance, is resistant to barren, has good density, and has high yield and stable yield. Medium resistance to large and small spot disease, resistance to stem rot, felt smut and corn borer, light feeling dwarf mosaic disease.

Appropriate areas and production levels are suitable for single and interplanting Ningxia Irrigation Area.

In 2005, the average yield per plant in the regional trials was 891.3kg, which was 7.2% higher than that of the control Shendan 16, and the intercropping average yield was 515.7kg, an increase of 7.1% compared with the control Shendan 16, and the regional average yield was 820.4kg in 2006. Compared with the control Shendan 16, the output was reduced by 2.9%, the intercropping average yield was 572.03kg, which was 3.2% higher than that of the control Shendan 16, and the average yield per year was 855.85kg for the two-year regional experiment, which was 2.15% higher than the control Shendan 16; The average intercropping per mu was 543.87kg, an increase of 5.15% over the control Shendan No. 16. In 2006, the intercropping production test averaged 636.7kg per mu, which was 4.3% higher than the control Shendan No.16.

Cultivation Techniques Points (1) Sowing: The sowing date will be around April 10th. Machine seeding or artificial ditching can be used to sow 5-7cm deep. (2) Reasonable dense planting: the planting density is 4000-4500 plants per mu; the single plant adopts wide and narrow rows and the density is 4500-5000 plants per mu. (3) Fertilization: 3000kg per hectare of basal farm manure, 10kg of phosphorus and potassium fertilizers according to the specific circumstances; P2O59kg (dual ammonium phosphate 10kg) and N18kg (40kg urea) are applied per mu during the whole growth period, and applied in the early stage of growth. Potassium, zinc and other trace fertilizers.

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