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抗旱优质春小麦新品种——高原671 总被引:2,自引:1,他引:2
高原671(原代号94-671)是中国科学院西北高原生物研究所1990年以抗旱性和抗逆性突出的宁春10号为母本,以品质优良的意大利冬小麦“路浦”为父本进行杂交,采用系谱法选育而成的抗旱优质春小麦新品种。该品种2000年11月通过甘肃省农作物品种审定委员会审定,定名为“高原671”。 相似文献
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特优671是宁德市农科所利用该所选育的恢复系亚恢671与不育系龙特甫配组而成的三系杂交稻新组合,通过福建省中稻两年区试和生产试验,表现产量高,农艺性状优良,适应性较广,熟期转色好,米质优等特点。2004年1月通过福建省农作物品种审定委员会审定。 相似文献
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杂交早稻中优2155系三明市农科所以中国水稻研究所育成的优质三系不育系中九A为母本,三明市农科所育成的恢复系明恢2155为父本配组育成的杂交早稻新组合,具有高产稳产、品质较好等优点。2008年通过福建省农作物品种审定委员会审定。 相似文献
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搜集黑龙江省野生大豆、农家品种以及各育种单位不同时期育成并经省品种审定委员会审定推广的大豆新品种脂肪、蛋白质含量,从生态环境、杂交亲本、育种目标及选择方向、政策导向等方面分析黑龙江省大豆育成推广品种化学品质形成的原因. 相似文献
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Amanda B. Dias Carmen M.O. MüllerFábio D.S. Larotonda João B. Laurindo 《Journal of Cereal Science》2010
Rice flour is a starchy material with low-cost, because it can be produced from rice that is broken during processing. The aim of this study was to develop biodegradable films based on rice starch and rice flour, and to characterize their physicochemical, microscopic and mechanical properties. Films from rice starch and rice flour were prepared by casting, with glycerol or sorbitol as plasticizer. SEM analysis of starch and flour films revealed compact structures. Rice flour films prepared in the present work have similar mechanical properties to those of starch based films. However, their water vapor permeabilities are two times higher than those of starch based films. Films with sorbitol were less permeable to water and more rigid, while films with glycerol are more plasticized and have poorer water vapor barrier properties. Therefore, preparing edible films from rice flour is a new alternative for using this raw material, which is sometimes much cheaper than commercial starches. 相似文献
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推进稻米清洁生产提升稻米产业竞争力 总被引:9,自引:2,他引:9
本文阐述了我国稻米清洁生产的完整概念、内涵与意义,比较了清洁生产初、中、高三个层次(无公害稻米、绿色食品稻米与有机稻米)的异同,分析了实施清洁生产所面临的主要问题,并提出了相应对策。 相似文献
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Phetmanyseng Xangsayasane Fangming Xie Jose E. Hernandez Teresita H. Boirromeo 《Field Crops Research》2010
Glutinous and non-glutinous rice hybrids derived from IRRI and Lao PDR rice germplasm were evaluated for yield heterosis and genetic diversity based on SSR markers. Pollen and spikelet fertilities of the hybrids showed absence of effective restorer and maintainer genes in the Lao varieties for WA-CMS cytoplasm. Positive heterosis over better or male parent (Lao varieties) was observed. Hybrids derived from an IRRIs TGMS line with Lao varieties showed a great potential in hybrid rice application. Genetic diversity among the rice lines was assessed by COP and SSR markers. Cluster analysis based on the molecular markers generated three parental groups in agreement with parental pedigree information. Significant linear relation was detected between yield heterosis and marker-based genetic distance of parents. 相似文献
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新昌县稻米消费嫌籼喜粳演变趋势及其对我们的启示 总被引:3,自引:0,他引:3
新昌地处浙江东部 ,为山区小县 ,现拥有人口43万 ,耕地1.6万hm2 ,其中水田1.1万hm2。近年社会经济发展很快 ,“八五”时期从浙江省17个贫困县之一发展成为浙江省经济中等发达县 ;经“九五”努力 ,1998年又被评为省定小康县 ;经国家统计局农村社会经济调查总队综合测评结果 ,2001年跻身全国百强县 (市 )行列。2002年农民人均纯收入达4930元 ,城镇居民人均可支配收入达11683元 ,分别比2001年增加293元和1263元。当地传统上以消费籼米为主 ,其中稻米严重短缺的20世纪50年代以前 ,为中晚籼米 ;进入60年代因水稻改制成功 ,主要消费转向早籼米 ;从… 相似文献
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水稻杂糯间作栽培增产技术 总被引:2,自引:0,他引:2
水稻是四川主要粮食作物之一 ,常年种植面积220万hm2左右 ,占粮食播种面积的30% ,总产量170亿kg左右 ,占全年粮食总产的50 %。糯稻是水稻生产重要组成部份 ,糯米是传统的食品加工和酿酒业不可缺少的原料 ,在人们生活中占有十分重要的地位。20世纪80年代末期 ,四川省杂交水稻大面积推广 ,籼稻产量大幅度提高 ,而糯稻生产却相对落后 ,一是品种老化 ,多为常规品种 ,虽然品质较优 ,但秆高 ,抗性较差 ,二是栽培落后 ,生产上均以净作方式栽培 ,易于倒状 ,特别是近10年来水稻稻瘟病危害呈加重发展趋势 ,糯稻单产仅350kg/667m2左右 ,导致经济效益不… 相似文献
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国际稻米贸易特点与中国稻米出口 总被引:5,自引:1,他引:4
中国加入世界贸易组织 ,给中国稻米产业发展带来了机遇 ,要抓住机遇 ,使中国稻米在国际稻米贸易中的地位得到巩固和发展 ,无论从观念上还是措施上都需要进行创新。特别是要增强我国稻米国际竞争力 ,促进稻米国际贸易的发展。分析20世纪90年代世界稻米贸易的特点 ,对指导我国稻米发展具有积极意义。一、世界稻米贸易特点20世纪90年代 ,随着世界人口的增加和世界经济的发展 ,全世界对稻米的消费大幅度增长 ,使世界稻米贸易迅速扩大。2000年世界稻米消耗量达到3.9亿吨 ,比1990年增加4900多万吨 ,增长14.4%。200… 相似文献
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W. Kaewpradit B. Toomsan G. Cadisch P. Vityakon V. Limpinuntana P. Saenjan S. Jogloy A. Patanothai 《Field Crops Research》2009
Groundnut as a pre-rice crop is usually harvested 1–2 months before rice transplanting. During this lag phase much of N in groundnut residues could be lost due to rapid N mineralization. Mixing of abundantly available rice straw with groundnut residues may be a means for reducing N and improve subsequent crop yields. The objectives of this experiment were to investigate the effect of mixing groundnut residues and rice straw in different proportions on (a) growth and yield of succeeding rice, (b) groundnut residue N use efficiency and (c) N lost (15N balance) from the plant–soil system and fate of residue N in soil fractions. The experiment consisted of six treatments: (i) control (no residues), (ii) NPK (at recommended rate, 38 kg N ha−1), (iii) groundnut residues 5 Mg ha−1 (120 kg N ha−1), (iv) rice straw 5 Mg ha−1 (25 kg N ha−1), (v) 1:0.5 mixed (groundnut residues 5 Mg: rice straw 2.5 Mg ha−1), and (vi) 1:1 mixed (groundnut residues 5 Mg: rice straw 5 Mg ha−1). After rice transplanting, samples of the lowland rice cultivar KDML 105 were periodically collected to determine growth and nutrient uptake. At final harvest, dry weight, nutrient contents and 15N recovery of labeled groundnut residues were evaluated. 相似文献
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《中国水稻研究通报》2000,(3)
ItisatraditionalriceoriginatedfromXuanhanCounty,SichuanProvince.FromtheTangdynasty(684DC),thelocalofficialsofferedthepeachblossomricetoemperor,soitwasalsocalled"TributeRice".GlassriceTheanothernamefortheglassriceisfragrantindicarice.ItwasfromQinyangC… 相似文献