Chaochuan No.1 (Rice)
Breeding unit: Rice Research Institute of Jilin Academy of Agricultural Sciences.
Approval: it was approved by Jilin Provincial crop Variety approval Committee in 1995 and by the National crop Variety approval Committee in 1999.
Variety approval number: national examination and approval rice 990005.
Variety source: Qingshi 96 / BG902// Xiabei.
Characteristics: medium-culm and multi-panicle late-maturing japonica rice variety, plant height 95mi 100cm, light green leaves, good plant type, strong tillering ability, strong stem toughness, short awn spike, yellow glume tip, oval grain, 110 grains per main ear and 26g 1000-grain weight. Brown rice rate 83.2%, milled rice rate 73.6%, head rice rate 61.3%, chalkiness 0, transparency 1, gelatinization temperature 7, gel consistency 86 mm, amylose content 17.7%, protein content 6.76%. The whole growth period is about 145 days, with good yield, fertilizer resistance and lodging resistance, good rice quality, resistance to rice blast and bacterial blight. He participated in the northern rice regional trial from 1994 to 1995, with an average yield of 606.1 kg per mu in two years, an increase of 8.6% over the control variety Qiuguang.
Key points of cultivation: sparse sowing and strong seedlings, sowing in mid-early April, transplanting in mid-May, density 26.4 cm X 132 cm or 30 cm X 20 cm. General fertility level fields apply 12 kg pure helium per mu, properly combined with phosphorus and potassium fertilizer before heavy, medium light, after supplement. Shallow, deep and shallow irrigation.
Suitable scope: planting in Jilin, northern Liaoning Province and some areas of Shanxi and Ningxia.
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Super Rice Jijing 88 has passed the national examination and approval.
In order to use science and technology to solve the contradiction between China's grain supply and demand in the future, the "Chinese Super Rice Research" project "Jijing 88", which is included in the Premier's Fund, has made a major research breakthrough in the Jilin Academy of Agricultural Sciences and passed the national and provincial variety approval. Jijing 88 is the result of the efforts of experts from Jilin Academy of Agricultural Sciences in the past 10 years. With high yield, high quality, multi-resistance and extensive adaptability, the average yield per mu is 750 kg-800 kg, and the rice quality reaches the national first-class high-quality rice standard.
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Changyou 4 (Rice)
The plant type is compact, the growth is prosperous, the panicle type is large, the tillering ability is medium, the leaf color is medium green, the population uniformity is good, the late mature color is good, and the lodging resistance is strong; in inoculation identification, it is resistant to bacterial blight, panicle neck blast and sheath blight; stripe blight was identified in the field from 2005 to 2006, with the highest incidence rate of 69.5% (the average incidence rate of the susceptible control was 87.6%). The quality was tested by the Food quality Inspection Center of the Ministry of Agriculture in 2006, the rate of head rice was 62.4%, the rate of chalky grains was 25.0%, and the degree of chalkiness.
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