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Introduction to New Hybrid Late Indica Rice Combinations
Teyou 37 Teyou 37 is a new hybrid late indica rice combination bred by the Institute of Nuclear Agricultural Sciences of Zhejiang University. In the 2000 provincial production trial, the average yield per mu was 448.8 kg, an increase of 1.91% over Shanyou 10. Results from two years of regional trials: the average whole growth period was 129.8 days, the average effective panicles per mu was 175,000, the seed-setting rate was 83.7%, and the 1000-grain weight was 26.9 g. Its resistance identification results: moderately resistant to rice blast, susceptible to bacterial leaf blight, susceptible to white-backed planthopper, susceptible to brown planthopper; rice quality test results: milled rice rate, head
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Introduction to the new hybrid late indica rice combination Xieyou 963
Xieyou 963 is a new hybrid late indica rice combination bred in 1996 by the Crop Research Institute of the Zhejiang Academy of Agricultural Sciences (postal code: 310021). In the Zhejiang Province hybrid late indica rice regional trials in 1998 and 1999, the average yields per 667 sq m (1 mu) were 516.35 kg and 466.95 kg respectively, an increase of 13.74% and 9.65% over the control Shanyou 10; in the 1999 production trial, the average yield per 667 sq m was 450.9 kg, an increase of 8.78% over the control Shanyou
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Key Cultivation Techniques for the Hybrid Indica Rice Yueyou 938
Yueyou 938 was approved and named by the Jiangsu Provincial Crop Variety Approval Committee in April 2000, and received national variety protection in May 2002. It is a three-line hybrid indica rice combination. Breeding history: Yueyou 938 was developed jointly by the Institute of Atomic Energy for Agricultural Utilization and the Institute of Food Crops of the Jiangsu Academy of Agricultural Sciences. In the summer of 1993 in Nanjing, the red-lotus type high-quality three-line male sterile line Yuetai A was crossed with the red-lotus type restorer line r1005-8 to produce Yueyou 938. In 1994, this combination was tested at the experimental
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Introduction to the hybrid single-season rice variety II You 93
Characteristics: This variety is a three-line late-maturing hybrid mid-season rice. In 2004, it participated in the Hunan Province super rice regional trial. The whole growth period is 136.2 days, 6 days less than the control Liangyou Peijiu and 2 days less than Shanyou 63. Plant height is about 115 cm, with a plant type that is moderately compact, and strong fertilizer tolerance and lodging resistance. Tillering ability is medium, and it has good luxuriance, uniform heading, and good color retention at the late stage. Generally, there are 164,300 effective panicles per mu, 172.3 total grains per panicle, about 80% seed setting rate, and 1,000-grain weight of 27.6 g. Cultivation points: in
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Introduction to the Hybrid Single-Season Rice Variety Xianghuayou No. 7
Characteristics: This variety is a three-line hybrid medium-late maturing medium rice. Grown as medium rice, its whole growth period is about 139 days, 5 days less than II You 58. Plant height is 110 cm, with a moderately loose plant type and relatively strong lodging resistance. Tillering ability is relatively strong, with 177,000 effective panicles per mu, 142.5 grains per panicle, a seed-setting rate above 80%, and a 1000-grain weight of 30.7 g. The grain is long in shape, and the rice quality is relatively good; at maturity the grains are plumply filled and the color fades well. Cultivation points: When grown as medium rice in Hunan Province, sowing is generally done around April 15. Sow sparsely to raise strong seedlings; in the seedling bed
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High-quality hybrid japonica rice Dianza 80 passes variety certification
The new high-quality hybrid japonica rice variety "Dianza 80", bred by the Yunnan Dian-type Hybrid Rice Research Center and the Gejiu City Seed Company, was approved at the fifth meeting of the fifth Yunnan Provincial Crop Variety Certification Committee. "Dianza 80" has a full growth period of 171 days. Plant height 94.5 cm, panicle length 19.6 cm, total grains per panicle 157 grains, filled grains per panicle 115.2 grains, seed setting rate 72%, 1000-grain weight 25 g; leaves erect at seedling stage, tolerant to fertilizer, uniform growth; flag leaf erect, compact plant type, strong till
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Three new hybrid late indica rice combinations including Shanyou 8548
Shanyou 8548 Shanyou 8548 is a new hybrid late indica rice combination bred through collaboration between the College of Agriculture and Biotechnology of Zhejiang University and the Zhejiang Provincial Seed Company. In the 2001 provincial production trial, its average yield per mu was 443.6 kg, a 2.17% increase over the control Shanyou 10. Results of the two-year regional trial: its average total growth period was 126.7 days, average effective panicles per mu was 197,000, seed-setting rate was 88.1%, and 1000-grain weight was 28.6 g; resistance identification results: moderately resistant to rice blast, moderately susceptible to bacterial blight, susceptible to white-backed planthopper and brown planthopper; rice quality test results
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Introduction of Three New Hybrid Late Indica Rice Combinations Including K You 117
K You 117 K You 117 is a new hybrid late indica rice combination bred by the Southern Zhejiang Rice Breeding Center of the Wenzhou Academy of Agricultural Sciences. In the 2000 production trial, the average yield per mu was 410.6 kg. Results of the two-year regional trial: its average whole growth period was 127.2 days, the average number of effective panicles per mu was 180,500, the seed-setting rate was 87.97%, and the 1000-grain weight was 27.6 g; resistance identification results: resistant to brown planthopper, moderately resistant to rice blast; rice quality test results: 5 indicators including brown rice rate, milled rice rate, grain length, alkali spreading value and protein content
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Introduction to three new hybrid late indica rice combinations including II You 7954
II You 7954 II You 7954 is a new hybrid late indica rice combination bred by the Crop Research Institute of the Zhejiang Academy of Agricultural Sciences. In the 2001 municipal production trial, the average yield per mu was 428.2 kg, the average whole growth period was 133 days, the average effective panicles per mu were 165,300, the seed-setting rate was 82.86%, and the 1000-grain weight was 26.8 g. Its resistance identification results: moderately resistant to rice blast, moderately susceptible to bacterial leaf blight, susceptible to brown planthopper; rice quality test results: 4 indicators including brown rice rate, milled rice rate, alkali spreading value and protein content reached the first-grade standard of the ministry-issued edible high-quality rice standard.
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Introduction to the Elite Hybrid Medium Indica Rice Variety Xieyou 136
Xieyou 136 is a new medium indica hybrid rice combination bred by the Institute of Agricultural Sciences of the Lixiahe Region in Jiangsu. This combination is high-yielding and stable, with an average yield of about 650 kg per mu, more than 8% higher than that of Shanyou 63. Its full growth period is 145 days, with a well-coordinated panicle-grain structure and relatively high grain weight; generally 170,000-190,000 effective panicles per mu, 122.4-167.3 total grains per panicle, a seed-setting rate of about 90%, and a 1000-grain weight of more than 30 g. It has a compact plant type, strong tillering ability, good luxuriance, and strong lodging resistance; at maturity the stems remain green and the grains turn yellow, giving an excellent appearance at maturity; it is resistant to rice blast,
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