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Ⅱ You 92-4 Rice Variety Introduction
(1) Variety source: This variety is a new late-maturing hybrid rice combination developed by the Neijiang Hybrid Rice Development Center, the Sichuan Provincial Seed Station, and the Leshan Municipal Academy of Agricultural Sciences by crossing Ⅱ-32A with restorer line 92-4. (2) Characteristics: The full growth period is 152 days, 4.1 days longer than Shanyou 63. Plant height is 118 cm, panicle length is 25 cm, average grains per panicle is 141, seed setting rate is about 85%, and 1000-grain weight is 28 g. It is cold-tolerant at the seedling stage, with dark green leaves, vigorous growth, strong tillering ability, compact plant type, erect flag leaves, and a high panicle-setting rate. It turns yellow well in the late stage.
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Characteristics and traits of the rice variety II You 92
Breeding institution: Jinhua Institute of Agricultural Sciences, Zhejiang Province. Approval status: approved by the Zhejiang Provincial Crop Variety Approval Committee in 1994, by the Anhui Provincial Crop Variety Approval Committee in 1998, and by the National Crop Variety Approval Committee in 1999. Variety approval number: Guoshendao 990019. Variety source: II-32A//IR209/Ce64-7. Characteristics and traits: a temperature-sensitive hybrid medium indica variety. Plant height about 90 cm, compact plant type
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Detailed introduction to the rice variety II You 898
Origin: A hybrid mid-season rice variety bred by the Hubei Jianghan Plain Agricultural High-Tech Research and Development Center by crossing the male sterile line "II-32A" with the restorer line "Hui 898". It was approved by the Hubei Provincial Crop Variety Approval Committee in 2005, with the variety approval number E Shen Dao 2005002. Quality and yield: From 2003 to 2004, it participated in the Hubei Provincial mid-season rice variety regional trial. The grain quality was tested by the Food Quality Supervision and Inspection Testing Center of the Ministry of Agriculture, with brown rice rate 81.0%, head rice rate 62.2%, chalky grain rate
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Introduction to the Characteristics of the Rice Variety II You 838
Breeding institution: Sichuan Institute of Nuclear Technology Application. Approval status: approved by the Sichuan Provincial Crop Variety Approval Committee in 1995, by the Henan Provincial Crop Variety Approval Committee in 1998, and by the National Crop Variety Approval Committee in 1999. Variety approval number: Guoshen Dao 990016. Variety source: II-32A x Fuhui 838. Characteristics: a late-maturing three-line hybrid combination of medium indica rice. Plant height 115 cm, thick and sturdy stems, 17-18 leaves on the main stem, erect flag leaf, leaf sheath
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Introduction to the Characteristics and Traits of the Rice Variety II You 734
(1) Variety source: It is a new late-maturing hybrid mid-season indica combination developed by the Mianyang Agricultural Science Institute by crossing II32-8A with the disease-resistant restorer line 734 bred by the institute. (2) Characteristics and traits: II You 734 has a whole growth period of 154 days, 4 days longer than Shan 63. It has a compact plant type, good luxuriance, medium-wide leaves, a plant height of 116 cm, a panicle length of about 25 cm, a seed-setting rate of 80%, a 1000-grain weight of 2706 g, a brown rice rate of 70.9%, and a head rice rate of 51.5%. (3) Yield performance: The two-year regional trial average yield was 560 kg per mu, higher than Shan
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Introduction to the Characteristics and Cultivation Points of the Rice Variety II You 448
(1) Variety source: This variety is a new medium-maturing medium indica hybrid rice combination developed by the Crop Research Institute of the Sichuan Academy of Agricultural Sciences by crossing II-32A with Chenghui 448. (2) Characteristics: The full growth period is 145 days, 7 days longer than the control Shanyou 195. The plant height is 100.5 cm, the panicle length is 25 cm, each panicle has 142 grains, 122 filled grains, and the 1000-grain weight is 26.88 g. The glume tip is purple. The plant stems are thick and strong, with good lodging resistance. The seedling stage has vigorous growth, strong tillering ability, and many effective panicles. The leaf color is light green, the plant and leaf type is moderate, and the flag leaf
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How is the rice variety II You 162?
Breeding institution: Rice Research Institute, Sichuan Agricultural University. Approval status: approved by the Sichuan Provincial Crop Variety Approval Committee in 1997, by the Zhejiang Provincial Crop Variety Approval Committee in 1999, and by the National Crop Variety Approval Committee in 2000. Variety approval number: Guoshen Dao 20000003. Variety source: II-32A x Shuhui 62. Characteristics: it is a medium indica late-maturing three-line hybrid rice. Plant height is about 114 cm, growth is uniform, plant type is compact, plants are luxuriant, leaf color is dark green, leaves are erect
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Introduction to the Characteristics and Traits of the II You 156 Rice Variety
Moderate plant type, relatively strong tillering ability, total growth period 138 days, plant height 125 cm, total grains per panicle 150-170 grains, seed-setting rate 85%, excellent grain quality, yield about 600 kg per mu. Sow early at the proper time, plant at a reasonable density, and apply fertilizer with emphasis on a heavy basal application. Resistant to rice blast, moderately resistant to rice bacterial leaf blight.
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Detailed introduction to the rice variety II You 128
Breeding institution: Rice Research Institute, Guangdong Academy of Agricultural Sciences. Approval status: approved by the Guangdong Provincial Crop Variety Approval Committee in 1998, and by the National Crop Variety Approval Committee in 1999. Variety approval number: Guoshen Dao 990008. Variety source: II-32A x Huhui 128. Characteristics: a late-maturing thermo-sensitive hybrid rice combination. Plant height 100-105 cm, compact plant type, thick and sturdy stems. Effective panicles per mu 163,000, 140-150 grains per panicle, seed setting
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Can 2,4-MCPA herbicide be used at the 2-leaf stage of rice?
Rice and other grass-family crops are sensitive to 2,4-MCPA before the 3-leaf stage, and improper use can easily cause herbicide injury to the crop, with symptoms such as deformed young leaves. After the 4-leaf stage, as leaf age increases, tolerance to 2,4-MCPA gradually strengthens, with the strongest tolerance at the peak tillering stage, and sensitivity gradually increases again after jointing. Therefore, in production it is generally required to apply 2,4-MCPA from the 4-leaf stage of rice to before jointing, and the dosage must not be increased at will, to ensure safety to rice. Nufarm Australia Limited's Agritox
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