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Detailed introduction to the rice variety Hang 931
Hang 931 is a new high-quality early indica variety bred by the Hangzhou Institute of Agricultural Sciences in Zhejiang Province in 1986 through crossing Hongtu 31 with fragrant rice. Characteristics and traits: in the 1994 Zhejiang Province early rice breeding joint variety comparison, the yield was 421.2 kg per mu, 2.7% higher than the control Zhe 852; in the 1994-1995 Hangzhou regional trial, the average yields per mu were 413 kg and 351 kg, 7.97% higher than the control Zhe 852 and equal to it, and 2.49% higher than the high-quality control Zhou 903; in the 1996 Hangzhou production trial, it was higher than the high-quality control Zhou 903
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Introduction to the Guofeng No. 2 Rice Variety and Its Cultivation Key Points
Guofeng No. 2 was bred by the Guofeng Breeding Center. Its female parent is the high-quality, high-outcrossing-rate male-sterile line Zhong 9A, and its male parent is the self-bred gene X21 (bacterial blight-resistant), high-quality, high-combining-ability Zhonghui 218. From 2001 to 2002, it participated in the Jiangxi Province regional trial of new medium indica high-quality rice varieties, and when sown at the same time it matured 3--4 days earlier than "Shanyou 63". Its tillering ability is above average, with large panicles and many grains, and a high seed-setting rate, with 180--200 grains per panicle, a seed-setting rate of 86.5%, and a 1000-grain weight of 29 grams, with an average yield of 591.2 kg per mu, higher than
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Detailed introduction to the rice variety Guyou No. 14
After the "father of hybrid rice" Yuan Longping bred hybrid rice in the 1970s, the world experienced a second Green Revolution. However, hybrid rice seed production procedures are complicated and expensive, and there are many fake seeds on the market. How to breed apomictic rice that can be used as seed generation after generation became the long-cherished wish of many breeders. Now, apomictic rice bred by researcher Chen Jiansan, a famous breeder at the Chinese Academy of Agricultural Sciences, and other experts has realized this wish. The biggest features of apomictic rice: besides not needing annual seed production, it has also made great breakthroughs in rice quality, yield and resistance
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Detailed Introduction to the Plateau Japonica 2 Rice Variety
(1) Variety source: Plateau Japonica 2 is a new high-cold japonica rice variety bred by the Yanyuan County Seed Station through systematic selection from the cross-breeding material 7801-10-2. (2) Characteristics: This variety has a compact plant type, is tolerant to fertilizer and resistant to lodging, and has green leaves. It has strong tillering ability; the whole growth period is 186-190 days, 5-7 days later maturing than the control Japonica 9. The plant height is about 100 cm, the effective panicles per mu are 260,000-290,000, the panicle length is 19 cm, the number of grains per panicle is 108, the seed setting rate is about 73%, and the brown rice rate is 82.9
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Detailed Introduction to the Plateau Japonica No. 1 Rice Variety
(1) Variety origin: A high-altitude japonica rice variety developed by the Seed Station of Yanyuan County, Liangshan Prefecture in 1978 from the intermediate material "7801-10--2'', through selection and breeding into the stable line "8790--1". (2) Characteristics: This line has a compact plant type, upright flag leaves, green leaves, light green internodes, strong cold tolerance at the seedling stage, vigorous growth, strong tillering ability, and good color change in the later stage. Plant height 90 cm, whole growth period 185 days, 4-7 days later maturing than the control variety Japonica 9. Panicle length 17 cm, grain number per panicle 1
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Introduction to the high-yield rice variety Panjin No. 2
Panjin No. 2 (H148) is a super-high-yield new rice variety developed by our institute from a cross between line 27, which carries indica (IR36) bloodline, and Huangjin 300 grains in 1988, followed by multiple generations of selection. After it stabilized, it entered identification trials in 1992, entered the institute's variety comparison trial in 1993, and began external introduction and trial planting in 1995, fully demonstrating its characteristics of high yield, multiple resistance, and good quality. I. Characteristics and traits 1. Seedling stage: strong seed germination vigor, fast and uniform emergence, well-developed root system, sturdy seedlings, resistance to low temperature and tolerance to salinity and alkalinity
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Introduction to the Gangyou 725 Rice Variety and Its Key Cultivation Points
This variety was developed by the Mianyang Institute of Agricultural Sciences in Sichuan Province. Main characteristics: this variety is a three-line hybrid rice variety of the medium indica late-maturing type. Its whole growth period is comparable to that of Shanyou 63, it has good yield potential and wide adaptability, and it is susceptible to rice blast. Suitable areas: this variety is suitable for planting as single-season medium rice in the flatland and hilly areas of Sichuan and in areas of Guizhou Province below 1100 m in altitude.
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How good is the Gangyou 22 rice variety? Characteristics and yield introduction
Breeding institutions: Crop Research Institute of Sichuan Academy of Agricultural Sciences and Rice Research Institute of Sichuan Agricultural University. Approval status: approved in 1996 by the Sichuan Provincial Crop Variety Approval Committee and the Guizhou Provincial Crop Variety Approval Committee, and in 1998 by the National Crop Variety Approval Committee. Variety approval number: Guoshendao 980009. Variety source: Gang 46A x CDR22. Characteristics: medium indica late-maturing hybrid rice. Plant height about 110 cm, moderate plant type, thick stems
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Detailed introduction to the potato variety Chuanyu 39
Approved in Sichuan Province in 1996. Cumulative promotion of 2 million mu. (1) Variety source: developed by the Crop Research Institute of the Sichuan Academy of Agricultural Sciences in 1991 through crossbreeding of 379645.4X7XY-1. (2) Characteristics: field observations show that its resistance to viral diseases, late blight, and bacterial wilt is stronger than that of Chuanyu 56 and Mira. (3) Yield performance: in multi-site trials from 1922-1994, the 3-year 21-site average fresh tuber yield per mu was 1571.8 kg, a 14
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Introduction to the potato variety Jizhangshu No. 4
Jizhangshu No. 4 was bred by the Bashang Agricultural Science Institute of Zhangjiakou City through sexual hybridization using Kachiding as the female parent and S. chacoense as the male parent, with pedigree number: 88-1-19. Characteristics: In 1991, it participated in a variety comparison trial, with an equivalent yield of 1947.3 kg per mu, an increase of 13.7% over the control Bashu No. 9. From 1992 to 1994, it participated in the Zhangjiakou City potato mid-maturing group regional trial, with a 3-year average yield of 1615.2 kg per mu, an increase over the control Bashu
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