Jingyou 14 (Rice)
Characteristics: this variety belongs to japonica three-line hybrid rice. the whole growth period is 154.6 days in southern Liaoning, southern Xinjiang and Beijing and Tianjin, which is 1.9 days later than that of Jinzhu 1. The plant height is 103.5 cm, the total number of grains per panicle is 116.4, the seed setting rate is 88.3%, and the 1000-grain weight is 26.8g. Rice blast is grade 5. Main indicators of rice quality: head rice rate 65.7%, chalky rice rate 30%, chalkiness 3.8%, gel consistency 85 mm, amylose content 16.9%.
Yield performance: in 2002, participated in the regional trial of Jinzhu 1 group in northern rice region, the average yield per mu was 727.9 kg, which was 15.7% higher than that of the control Jinzhu 1 (extremely significant). In 2003, the average yield per mu was 701.2 kg, 14.4% higher than that of the control Jinzhu 1 (extremely significant). In the two-year regional trial, the average yield per mu was 714.6 kg, which was 15.1% higher than that of Jinzhu 1. In the production test in 2003, the average yield per mu was 635 kg, which was 7.7% higher than that of the control Jinzhu 1.
Main points of cultivation techniques: 1. Cultivating strong seedlings: according to local planting habits, sowing at the same time as Jinzhu No. 1, seedling age 35-40 days; 2. Transplanting: transplanting 20 × 16.7 cm, 2-3 seedlings per hole; 3. Fertilization: full-layer fertilization, 60-70% nitrogen fertilizer, 50% potash fertilizer and all phosphate fertilizer before soil preparation, the rest as topdressing, all topdressing should be completed within 1 month after transplanting seedlings. 4. control of diseases and insect pests: pay attention to the prevention and control of rice blast.
Approval opinion: after examination, the variety conforms to the national rice variety approval standard and has been approved. The variety has the advantages of moderate ripening period, high and stable yield, medium susceptibility to rice blast and high rice quality. It is suitable to be planted in the areas with light incidence of rice blast in southern Liaoning, central and southern Liaoning, Beijing, Tianjin and northern Hebei.
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Jingxiang 636 (Rice)
The variety comes from the crop Institute of Beijing Academy of Agricultural and Forestry Sciences in 1999. The parent is 91897-2A/T5850-1//h9418. It was approved by Beijing in 2001. Second, the characteristics belong to Luzhou-flavor rice varieties. Cultivated as old seedlings of middle rice or wheat stubble in Beijing plain, the whole growth period is 150-155 days, plant height is 1.0-1.1 meters, leaf color is green, tillering ability is medium, panicle type is large and awnless. The number of effective panicles per mu is 206000, the total grains per panicle is 141.0, and the number of filled grains.
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Jingyue No. 1 (Rice)
Breeding unit: Institute of crop breeding and cultivation, Chinese Academy of Agricultural Sciences. Examination and approval: in 1986, Liaoning Provincial crop Variety approval Committee recognized that, in 1987, Tianjin crop Variety approval Committee recognized, and in 1991, the National crop Variety approval Committee recognized. Variety registration number: GS01016-1990. Source of variety: 300 grains of water source / crossing the road early. Characteristics: mid-maturing japonica rice varieties. The plant height is about 100 cm, the ear length is 20ml / 25cm, the plant type is compact, there are many tillers, each
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