Danhannuo No. 3 (formerly known as Hannuo No. 3 Rice)
Characteristics: this variety belongs to japonica conventional dry glutinous rice. The average growth period of dry direct seeding of wheat stubble in Huang-Huai area is 114d, which is 4 days later than that of Zhengzhou early japonica. The plant height is 94.8cm, the plant type is compact, the tillering ability is strong, the yield stability is good, the panicle length is 19.4cm, the total grain number per panicle is 101.2, the seed setting rate is 82.2%, and the 1000-grain weight is 24.5g. Disease resistance: drought resistance grade 1, rice blast grade 3, flax leaf spot grade 3. Main indicators of rice quality: head rice rate 64.6%, aspect ratio 1.8, gel consistency 100 mm, amylose content 1.59%.
Yield performance: in 2001, in the upland rice regional trial of middle and late maturity groups in Huang-Huai-Hai wheat stubble area, the average yield per mu was 271.5 kg, 8.4% higher than that of Zhengzhou early japonica, and in 2002, the average yield per mu was 269.6 kg, 5.8% higher than that of Zhengzhou early japonica. In the production experiment in 2003, the average yield per mu was 300.4 kg, which was higher than that of Zhengzhou early japonica and upland rice.
Main points of cultivation techniques: 1, seed treatment: drying before sowing, coating with seed coating agent; 2, sowing: leveling the land before sowing, applying farm manure 1000 kg per mu, fertilizer diammonium phosphate 10 kg, potassium sulfate 10 kg, ammonium sulfate 15 kg. Both strip sowing and hole sowing are possible, and the sowing rate is 8-9 kg per mu. Row spacing 30 cm, sowing depth 2-3 cm, suppressed or stepped on the grid after sowing; 3, chemical weeding: Quick-killing paspalum, 60% butachlor 0.25 kg per mu, Nongsi 0.25 kg, mixed with water spray; 4. Field management: timely irrigation in case of drought during emergence, tillering, booting and filling period, and applying about 10 kg ammonium sulfate at jointing, booting to heading stage depending on seedling condition. 5. control of diseases and insect pests: pay attention to the prevention and control of rice false smut.
Approval opinion: after examination, the variety conforms to the national rice variety approval standard and has been approved. The variety has strong drought resistance, moderate maturity, high yield, good yield stability, medium resistance to rice blast and flax leaf spot, and good waxy. It is suitable for dry cultivation of wheat stubble or rape stubble in Huanghuai area of Henan, Shandong, Anhui, Jiangsu (except Xuzhou area) and southern Shaanxi.
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Danjing 3 rice
Variety source: Dandong Institute of Agricultural Sciences, introduced in 1984. Characteristics: the whole growth period is 165days, the seedling growth is robust, the adult plant height is 100-110cm, the plant shape is compact, the tillering ability is strong, the average ear is about 260000 per mu, the ear length is about 18cm, the seed setting rate is more than 80%, the grain is yellow and white, the awn is thin and short between awns, the 1000-grain weight is about 25g, the brown rice rate is 85%, and the whole rice rate is 78.5%. The rice is of good quality and palatable. Resistant to rice blast, bacterial blight, medium resistance to sheath blight, rice false smut. Moderate lodging resistance
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Dan Handao No. 2 (formerly known as K150 Rice)
Variety source: breeding characteristics from Danjing 5 system: this variety belongs to conventional japonica upland rice variety. the average growth period of one cropping upland rice in the north is 153.7 days, which is 10 days longer than that of the control Han72. The plant height is 78.51cm, the ear length is 13.72cm, the highest number of seedlings per mu is 346600, the panicle rate is 71.94%, the number of grains per ear is 99.59, the seed setting rate is 84.96%, and the 1000-grain weight is 21.9g. Resistance: the average drought resistance in each pilot field was 2.4, and the leaves
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