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What are the causes and control methods of premature senescence in rice?
Causes and control methods of premature senescence in rice
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How to grow rice seedlings? Detailed explanation of key technical points
Key technical points for rice seedling cultivation
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How is the Tianhe No. 1 early indica rice variety?
In 2002 and 2003, the two-year average yield of this variety was 425.7 kg per mu, an increase of 9.94% over the control "Jiayu 948"; the two-year average whole growth period was 111.2 days, 2.2 days longer than the control "Jiayu 948"; the two-year regional trial average effective panicles per mu were 216,000, the number of filled grains per panicle was 91.4, the seed setting rate was 79.4%, and the 1000-grain weight was 25.6 g. According to the 2003 appraisal results of the Plant Protection Institute of the Provincial Academy of Agricultural Sciences, the average grade of leaf blast was 0.5, the average grade of panicle blast was 1, the loss rate from panicle blast was 0.8%, and bacterial
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Wandao 51 (87641) Rice Variety Introduction
Late-season glutinous variety, with a full growth period of 138 days. The usual yield is 500 kg per mu. Compact plant type, plant height 103 cm, strong tillering ability, tolerant of fertilizer and resistant to lodging, leaves medium-wide and erect, leaf color blue-green, with a smooth color transition at maturity. An average of 130 to 140 grains per panicle, seed-setting rate of about 80%, 1000-grain weight 26 g. Brown rice rate 81.4%, milled rice rate 72.6%, head rice rate 61.5%, gelatinization temperature 6.0, gel consistency 100 mm, amylose content 0.9%, fairly good glutinous quality. Moderately resistant to bacterial leaf blight, resistant to rice blast and white-backed planthopper,
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Shennong 014 Rice Variety Profile (Liaoning Rice Approval [2006] No. 174)
Bred by the Rice Research Institute of Shenyang Agricultural University in 1996 through artificial hybridization and line selection using Shennong 265 as the female parent and 9660 as the male parent. Approved by the Liaoning Provincial Crop Variety Approval Committee in 2007. Characteristics: The growth period of this variety is about 150 days, belonging to the medium-early maturing type. At the seedling stage, the leaf color is dark green and the leaves are erect. Plant height is 107 cm, the plant type is compact, tillering ability is medium to strong, the main stem has 15 leaves, the panicle type is erect, panicle length is 19 cm, grain number per panicle is 170, 1000-grain weight is 25 g, the glume color is yellow-white, occasionally with sparse short awns. According to
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Luodao 998 rice variety approved at the national level
Approval number: Guoshen Dao 2006073Variety name: Luodao 998Breeding unit: Luoyang Institute of Agricultural Sciences, Henan ProvinceVariety source: Systematic selection from upland rice 277Characteristics: This variety is a japonica-type conventional upland rice. Grown as a wheat-stubble upland rice in the Huang-Huai-Hai region, its whole growth period is 108 days, 1 day earlier than the control upland rice 277. The plant type is relatively compact, tillering ability is medium, plant height is 94.6 cm, panicle length is 18.1 cm, effective panicles per mu are 19.
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What is low-sugar rice? Introducing this miraculous rice variety
Low-sugar rice is a low-sugar-type rice variety bred by Japanese scientists through years of effort. It is also the only new type of rice variety in the world with an outstanding blood-sugar-lowering effect. It has thus opened a new path for lowering blood sugar through dietary therapy. It has attracted widespread attention from scientists and diabetes patients around the world. Low-sugar rice combines both food and medicinal uses, and its most prominent characteristic is that its protein is rich in "GLP-1," which can greatly increase insulin secretion in the human body. This achieves the goal of inhibiting blood sugar elevation. It changes the current situation in which diabetes treatment relies solely on drugs
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Introduction to the Characteristics and Traits of the Lidao No.1 Rice Variety
Characteristics and traits: The whole growth period is 170 days, belonging to a mid-to-late maturing variety, plant height 115 cm, panicle length 22 cm, average number of grains per panicle 120, seed setting rate around 90%, 1000-grain weight 28 g, large panicles and large grains, relatively strong tillering ability. Heading in early August, uniform heading, fast grain filling, can fully utilize the effective accumulated temperature and sunlight of September, flag leaves erect, mature with green stems and leaves. Tested by the Rice and Rice Products Quality Supervision and Inspection Testing Center of the Ministry of Agriculture, moisture 12.0%, crude protein 9.11%, amylose 17
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Detailed Introduction to the Daoguang No.1 Rice Variety
I. Breeding Institution: Tonghua Academy of Agricultural Sciences. II. Variety Origin: Bred in 1988 by crossing "Qiuguang" as the female parent with "Jingyin 127" as the male parent. Original code name Tongjing 793. III. Characteristics: 1. Plant traits: plant height 110 cm, about 16 tillers per plant, medium tillering ability, light green leaf color, flag leaves held upright, thick and sturdy stems, rice ears in the field half drooping in a ring; 2. Ear traits: ear length about 21 cm, main tiller ears uniform
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Moderate to slightly light occurrence of the second generation of rice stem borers in Suijiang County in 2007
Rice stem borers in our county include the yellow stem borer (Scirpophaga incertulas), the striped stem borer (Chilo suppressalis), and the giant stem borer (Sesamia inferens). In the riverside area, 3 generations occur per year; in the mid-mountain area, 2 generations occur per year. At present, the first generation in the riverside area has ended, and the second generation is beginning to occur successively. According to observations at our station's Fengchi pest and disease monitoring point, this year's second-generation moth flight began on June 10, 1 day earlier than last year and 2 days later than normal years, with the peak day on June 18, 1 day later than last year and 8 days earlier than the historical average; by June 25, a cumulative total of 234 moths had been trapped, with the yellow stem borer, striped stem borer, and giant stem borer accounting for 94.9
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