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Detailed Introduction to the Jinyou 117 Rice Variety
Jinyou 117 is a new high-yield, high-quality hybrid rice variety bred by the Changde City Agricultural Science Institute. The development of this variety has solved the current problem of hybrid rice being high-yielding but not high-quality. This variety has a whole growth period of 135 days and belongs to the medium-maturity type. The plant height is 110 cm, with 200--300 grains per panicle, a panicle length of 25 cm, a seed-setting rate of 85%, and a 1000-grain weight of 30 grams. This rice has thick and sturdy stems, a well-developed root system, strong tillering ability, and resistance to rice blast. The usual yield is 600 kg per 667 sq m (1 mu), and can reach 800 kg at high yield. According to measurements of grain quality, among 10 main
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Introduction to the Characteristics and Traits of the Jinyou 207 Rice Variety
Breeding unit: Hunan Hybrid Rice Research Center crossed Jin 23A with Xianhui 207, bred in 1995 and developed by Longping Seed Industry. It has been approved by the four provinces of Hunan, Guizhou, Guangxi and Hubei. Characteristics and traits: This variety is a medium-maturity indica-type late rice. The plant type is moderate, with a plant height of about 100 cm, average growth vigor and weak tillering ability; the whole growth period is about 115 days; the total number of grains per panicle is 120, and the seed-setting rate is 80%; the 1000-grain weight is 26 g. It is moderately sensitive to light and temperature, has a long growth period under short days and high temperatures, is cold-tolerant in the later stage, and colors well at maturity.
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Introduction to the Rice Variety Jinyou 2248
(1) Variety origin: Jinyou 2248 is a medium-maturing medium indica hybrid rice combination developed by the Chengdu Institute of Biology, Chinese Academy of Sciences, using Jin 23A and 2248 in a cross. (2) Characteristics: This combination has a growth period of 147 days, a plant height of 110 cm, an average of 130 grains per panicle, a seed-setting rate above 80%, and a 1000-grain weight of 27-28 g. It has a good plant and leaf type, strong tillering ability, erect leaves, and a relatively dark leaf color. Most of its rice quality reaches the Ministry-issued first- or second-grade high-quality rice standard. In disease resistance identification, leaf blast was grade 4-5 and neck blast grade 2-5, with slight field infection of sheath blight.
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Introduction to the Jinyou 402 Rice Variety and Key Cultivation Techniques
Variety source: This is a new hybrid early rice combination developed with Jin 23A, bred by the Changde City Agricultural Science Research Institute in Hunan, as the female parent and R402, bred by the Anjiang Agricultural School in Hunan, as the male parent. Characteristics: The full growth period is 115 days, and the plant height is 88.0 cm. The plant and leaf type are good, and the color remains good in the later stage. The effective panicles per mu are 247,000, the total grains per panicle are 103, the seed-setting rate is 77.6%, the 1000-grain weight is 25.3 g, the brown rice rate is 79.6%, the milled rice rate is 65.7%, the grain length is 6.98 mm, the length-to-width ratio is 3.28, the transparency is grade 3
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Introduction to the rice variety Jinyou 448
Characteristics: This variety is an indica three-line hybrid rice. When grown as a double-cropping late rice in the middle and lower reaches of the Yangtze River, the average whole growth period is 111.9 days, 1.8 days earlier than the control Shanyou 64. Plant height is 88.4 cm, the plant type is moderate, the plant is relatively short, the flag leaf is upright, and the panicle-grain weight is balanced. It threshes relatively easily and lodges relatively easily in the later stage. The number of effective panicles per mu is 204,000, panicle length is 23.2 cm, total grains per panicle is 110.4, seed setting rate is 83.4%, and 1000-grain weight is 28 g. Resistance: rice blast grade 7, bacterial leaf blight grade 7
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Introduction to the Characteristics and Traits of the Jinyou 458 Rice Variety
Variety source: This is a hybrid early rice combination developed by the Rice Research Institute of the Jiangxi Academy of Agricultural Sciences by crossing the male sterile line Jin 23A with the restorer line 458 (IR58/Guichao 13). Approval status: Approved by the Jiangxi Provincial Crop Variety Approval Committee in March 2003. Characteristics and traits: The full growth period is 115.8 days, 0.8 days earlier than the control You I402. Plant height is 84.79 cm. The plant type is moderate, the stems are thick and strong, and the tillering ability is strong. The effective panicles per mu are 263,300, the total grains per panicle are 73.32, and the filled grains are 60.91
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Introduction to the Characteristics and Traits of the Jinyou 527 Rice Variety
Characteristics and traits: This variety is an indica-type three-line hybrid rice. When grown as a single-season mid-season rice in the upper reaches of the Yangtze River, the average whole growth period is 151.2 days, 1.4 days earlier maturing than the control Shanyou 63. Plant height is 111.5 cm, leaf color is dark green, plant and leaf shape is moderate, cold tolerance is relatively weak, and color conversion at maturity is good. The number of effective panicles per mu is 165,000, panicle length is 25.7 cm, total grains per panicle is 161.7, seed-setting rate is 80.9%, and 1000-grain weight is 29.5 g. Resistance: rice blast grade 9, bacterial leaf blight grade 5, brown planthopper
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Introduction to the Characteristics and Traits of the Jinyou 71 Rice Variety
Jinyou 71 (rice) Variety source: A hybrid early rice combination developed by the China Rice Research Institute by crossing 23A/R71. Characteristics and traits: The whole growth period is about 111.0 days, about 4.0 days earlier maturing than Jinyou 402. Plant height is 88.0 cm, plant type is compact, tillering ability is strong, effective panicles are numerous, panicle type is somewhat small, and color retention at the late stage is good. Effective panicles per mu are 259,000. Panicle length is 18.9 cm, total grains per panicle are 94.0, seed setting rate is 80.4%, and 1000-grain weight is 25.3 g.
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Characteristics and traits of the rice variety Jinzao 47
It shows mid-season maturity and high yield, with a plant height of 82.5 cm, erect flag leaves, and thick, sturdy stems that are tolerant of fertilizer and resistant to lodging. There are 200,000-220,000 effective panicles per mu, with large panicles and many grains, relatively dense grain setting, about 120 total grains per panicle, a seed-setting rate of about 80%, and a 1000-grain weight of 25 g. The flag leaves have a long functional period, the color at maturity is good, sheath blight is relatively light, and it is relatively resistant to rice blast. The protein content reaches 10.9%, and the amylose content is high, making it a high-quality variety for processing rice noodles, industrial grain use, and feed. However, it is susceptible to bakanae disease, and its tillering ability is medium to weak. In cultivation, seed treatment must be done well; at the same time, the seeding rate should be appropriately increased, and it is more suitable for seedling-throwing and direct-seeding cultivation.
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Detailed Introduction to the Rice Variety Jinzhu No. 1
"Jinzhu No. 1" is a new medium-late rice variety developed through systematic selection, variety comparison, and regional trials by Niu Jing, a researcher at the Tianjin Academy of Agricultural Sciences and a Tianjin-appointed rice breeding expert, and his team. It is the first new variety in China developed through indica-japonica hybridization with major promotion value. It passed achievement appraisal in 1992. This variety is of the japonica type, with a full growth period of 150 days in the Beijing-Tianjin region, a seedling bed period of 35-40 days, and a main field period of 110-105 days. Seedling growth is relatively vigorous with a well-developed root system. The main stem has 15 leaves, plant height 90-10
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