Dandou 9 is the Soybean Research Institute of Dandong Academy of Agricultural Sciences. In 1985, it was used as the female parent of "Fengjiao 66-12" and "MC25" was the male parent's sexual hybridization and multi-generation breeding. In October 1997, it was approved by the Liaoning Crop Variety Approval Committee. Characteristic characteristics: limited knot habits, gray hair, white flowers, elliptic leaves. Plant height 90 cm, branches 2-3, 17 main stem sections. Mature yellow. Grain round, seed coat and cotyledons yellow, light brown navel. 100-grain weight 20-22 grams. Resist pests. The grain has good commercial properties, and the complete grain rate is 96%. There is no purple spot or brown spot grain. The fertility period is 135 days. Test results: In 1992, the average soybean yield per acre was 169.6 kilograms in the Liaoning Soybean Regional Test, which was 12.4% higher than the control. In 1993, the soybean yield in the Liaoning Soybean Regional Experiment averaged 182.8 kilograms, an increase of 11.9% over the control. The average annual yield of 174.0 kilograms in two years was 12.2% higher than the control. In 1994, the production test was conducted. The average yield per mu in the multi-point test in nine areas was 175.8 kg, which was 22.7% higher than the control. The average yield per mu in the two years was 170.3 kg, which was 20.6% higher than the control. Cultivation points: generally sown on May 10 or so. Mushi farmyard fertilizer 2000 kilograms, 15 kilograms of ammonium phosphate, potassium fertilizer 5 kilograms as the base fertilizer. Urea 5-7.5 kg after flowering. 9000 seedlings per mu, spacing 60 cm, plant spacing 22 cm. Appropriate area: This variety is suitable for planting in spring soy regions such as south-central Liaoning, Hebei, Tianjin, Henan, Shaanxi, Shanxi, and Yunnan.
Rose Tea, Dried Rose, Dried Rose Buds, Rose Flower Tea, Air Dried Rose
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