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1.
低芥酸杂交油菜渝杂18由西南农业大学采用化学杀雄方法育成,品比试验产量1950-2715kg/hm^2;重庆市区域试验平均产量1946kg/hm^2,比对照品种中油821增产2.21%,生产试验平均产量2139kg/hm^2;比对照中油821增产22.3%。渝杂18商品种子含油量39.97%,芥酸含量0.62%。1998年通过重庆市农作物品种审定委员会审定。  相似文献   

2.
高产双低杂交油菜新品种中油杂2号的选育   总被引:5,自引:6,他引:5  
中油杂2号是中国农业科学院油料作物研究所利用陕2A不育系等材料,经测交,诱变和杂交转育选育的甘蓝型油菜细胞质雄性不育三系杂交种,具有丰产性突出,稳产性好,品质优良,抗(耐)病性强,适应性广等特征。湖北省区试平均2926.43kg/hm^2,比对照中油821增产19.73%,全国(长江中游)区试平均产量2318.18kg/hm^2,比对照中油821增产13.94%。种子芥酸含量0.90%,商品籽硫甙量20.70μmol/fg。2000年通过湖北省农作物品种审定委员会审定,2001年通过全国农作物品种审定委员会审定。  相似文献   

3.
甘蓝型油菜隐性上位互作核不育双低杂交种皖油14的选育   总被引:7,自引:1,他引:7  
皖油14(原C022)是利用隐性上位互作核不育育成的甘蓝型油菜杂交种,具有丰产,稳产,优质(高含油、低芥酸、低硫甙),抗(耐)病等特性,安徽省区试平均产量2661kg/hm^2,比对照秦油2号增产7.2%,比对照中汪821增产22.9%,全国(长江下游区)区试平均产量2149kg/hm^2,比对照中油821增产12.6%,抗(耐)病性优于秦油2号和中油821,芥酸含量为0.36%,硫甙含量为31.2umol/g,含油量达44.3%。  相似文献   

4.
甘蓝型双低杂交油菜新品种苏优3号的选育   总被引:5,自引:0,他引:5  
苏优3号为甘蓝型油菜细胞质雄性不育(CMS)杂交新品种,不育系为宁A3(MI CMS),恢复系为3075R。苏优3号综合性状好,抗(耐)病性强,成熟期早,品质优良,在1996-1998年度江苏省油菜新品种区域试验中,平均产量2553.30kg/hm^2,比对照秦油2号增产16.81%,在1999-2001年度国家油菜品种区域试验中,平均产量2686.80kg/hm^2,比对照中油821增产11.6%,苏优3号芥酸含量0.42%,硫甙含量25.87umol/g,种子含油率43.46%。  相似文献   

5.
巴西45号于1993年从巴西引进,经广西甘蔗研究所2年室内外检疫,未发现检疫性病害。广西甘蔗研究所于1995-2000年大田新植5次、宿根3次试验结果表明:巴西45号平均蔗茎产量(93660kg/hm^2)较对照品种桂糖11号(79650kg/hm^2)增产14010kg/hm^2,增幅19.59%;10月至次年1月平均蔗糖分(14.18%)较桂糖11号(13.66%)高0.52%(绝对值)。3年区域品比试验结果表明,巴西45号平均蔗茎产量(89955kg/hm^2)较桂糖11号(76410kg/hm^2)高13545kg/hm^2,增幅17.70%,平均蔗糖分(14.08%)较桂糖11号(13.93%)高0.15%(绝对值)。2001年12月该品种经广西农作物品种委员会审定通过,命名为桂引4号。  相似文献   

6.
抗寒、抗病优质油菜杂交种豫油5号的选育   总被引:5,自引:0,他引:5  
豫油5号是河南省农科院棉花油料作物研究所育成的高产优质油菜三系杂交种,具有优质、高产、抗寒、抗病等特点。不育系的不育率稳定在98%以上,恢复系恢复力强,配合力高。河南省油菜区试平均产量2508.0kg/hm^2,比优质对照种豫油2号增产22.1%,达极显著水平,比非优质杂交种秦油2号增产5.1%。全国(黄淮区)区试平均产量2702.2kg/hm^2,最后产量4053.4kg/hm^2。高抗病毒病,抗(耐)菌核病,抗寒性强。品质优良,芥酸含量0.14%,硫甙含量24.90μmol/g,含油量43.01%。1998年通过河南省农作物品种审定委员会审定。  相似文献   

7.
淮杂油1号系江苏淮阴农科所选育的甘蓝型双低油菜杂交种,在江苏省油菜区域试验,生产试验,多年多点示范种植中均表现出生长优势强,产量高,品质优,抗(耐)菌核病,熟期适中等特性,江苏省区试平均产量3157.75kg/hm^2,比对照宁杂1号增产4.50%,生产试验平均产量2843.40kg/hm^2,比对照宁杂1号增产10.79%,2001年通过江苏省农作物品种审定员会审定。  相似文献   

8.
甘蓝型双低春油菜三系杂交种互丰010的选育   总被引:1,自引:0,他引:1  
互丰010是利用波里马细胞质雄性不育材料育成的甘蓝型春油菜三系杂交种,具有优质,高产,中早熟、抗逆性强,适应性广等特点,青海省油菜区试平均产量3766.50kg/hm^2,比对照品种青油331增产11.50%,生产试验最高产量在4026.00kg/hm^2,比对照青油331增产14.80%,比对照垦油1号增产16.10%,芥酸含量1.07%,硫甙含量25.93μmol/g,含油量45.55%,1999年通过青海省农作物品种审定委员会审定。  相似文献   

9.
双低三系杂交油菜秦优8号选育   总被引:1,自引:0,他引:1  
秦优8号为甘蓝型油菜细胞质雄性不育三系中早熟杂交种。陕西省区试平均产量为3036.5kg/hm^2,生产试验平均产量为2845.7kg/hm^2,比对照秦油2号增产4.20%。2002年参加黄淮区油菜区试平均产量2542.0kg/hm^2,比对照秦油2号增产3.02%。品质优良,芥酸含量0.27%~0.44%,硫甙含量21.41~24.64μmol/g,含油率39.9%~40.9%。  相似文献   

10.
双低甘蓝型油菜新品种苏油1号种子含油率41.37%,芥酸含量0.30%,硫甙含量27.4μmol/g,,苏州市油菜区域试验平均产量2814.15kg/hm^2,比对照荣选和汇油50分别增产10.87%与13.63%。江苏省油菜区域试验平均产量2418.15kg/hm^2,比对照荣选和秦油2号分别增产19.40%与10.62%。江苏省油菜生产试验平均产量2383.20kg/hm^2,比对照荣选增产7.24%。全国油菜区域试验平均产量2008.95kg/hm^2,比对照中油821增产7.84%。苏油1号适于我国长江下游冬油菜区种植。  相似文献   

11.
Teas of plant origin traditionally consumed by the Mountain Pima of Chihuahua, Mexico, were analyzed for mineral nutritional content. Fe, Cu, Zn, Ca, and Mg composition was determined for native teas made from shoots ofTagetes lucida, T. filifolia, Elytraria imbricata, andHolodiscus dumosus, and from root xylem ofCeanothus depressus andPhaseolus ritensis. Native uses of these teas are also described.  相似文献   

12.
13.
Summary The effects of the leaves of five plant species, one from each of the generaAmbrosia, Anemone, Eupatorium, Eucalyptus andLantana, on potato tuber moth were investigated under indigenous storage conditions at the Central Potato Research Station, Shillong (1800 m above sea level). Their action was compared with that of a biological insecticide (spores ofBacillus thuringiensis), a chemical insecticide (carbaryl), and an untreated control. The data collected after six months storage on tuber damage, sprout damage and the rotting indicated that the leaves ofLantana aculeata provided most protection to the tubers, reducing damage from over 70% in the check to below 5%, and sprout damage from over 45% to below 3%. Next best wasEucalyptus globulus followed byB. thuringiensis. They may be used on tubers stored for table use or for seed as they had no adverse effect on germination or on the yield of a subsequent crop.  相似文献   

14.
Summary

The efficiency of N fertilizers is usually poor; often less than 50% of the applied N is taken up by the crop. This review focuses on various N fertilizers with respect to the significance of different N loss pathways, namely (i) ammonia volatilization, (ii) dinitrogen and nitrogen oxide emissions, and (iii) nitrate leaching. Further, the significance of biological N immobilization, ammonium fixation and, finally, the impact of nitrate vs. ammonium uptake on crop yield are also discussed. The reviewed literature shows that N fertilizers may differ markedly in their susceptibility to losses. There is, however, considerable scope to improve N efficiency of each N source by proper N management practices.  相似文献   

15.
16.
Health authorities worldwide have consistently recommended the regular consumption of marine fishes and seafood to preserve memory, sustain cognitive functions, and prevent neurodegenerative processes in humans. Shrimp, crabs, lobster, and salmon are of particular interest in the human diet due to their substantial provision of omega-3 fatty acids (n-3/PUFAs) and the antioxidant carotenoid astaxanthin (ASTA). However, the optimal ratio between these nutraceuticals in natural sources is apparently the key factor for maximum protection against most neuro-motor disorders. Therefore, we aimed here to investigate the effects of a long-term supplementation with (n-3)/PUFAs-rich fish oil, ASTA-rich algal biomass, the combination of them, or krill oil (a natural combination of both nutrients) on baseline redox balance and neuro-inflammation indexes in cerebellum and motor cortex of Wistar rats. Significant changes in redox metabolism were only observed upon ASTA supplementation, which reinforce its antioxidant properties with a putative mitochondrial-centered action in rat brain. Krill oil imposed mild astrocyte activation in motor cortex of Wistar rats, although no redox or inflammatory index was concomitantly altered. In summary, there is no experimental evidence that krill oil, fish oil, oralgal biomass (minor variation), drastically change the baseline oxidative conditions or the neuro-inflammatory scenario in neuromotor-associated rat brain regions.  相似文献   

17.
Wheat bran is a composite material made of several layers, such as pericarp, testa and aleurone. It could be fractionated into purified fractions, which might either be used as food ingredients, or serve as a starting material for extraction of bioactive compounds. The aim of this work was to evaluate the potential of using electrostatic separation as a way to obtain purified fractions from wheat bran. Ultrafine-ground bran obtained either by cryogenic grinding or by grinding at ambient temperature was used as starting material. The ultrafine bran was then charged by tribo-electrification and introduced in a chamber containing two high voltage electrodes, where bran particles were separated depending on their acquired charge, allowing positively and negatively charged fractions to be collected separately. The particle size distribution, microstructure and biochemical composition of the obtained fractions were studied. The charge of the particles was influenced by their biochemical composition: particles rich in highly branched and cross-linked arabinoxylans (pericarp) were separated from particles rich in β-glucan, ferulic acid and para-coumaric acid (aleurone cell walls). The testa and the intracellular compounds from aleurone were not highly charged, neither positively nor negatively. The most positively charged fraction represented 34% of the initial bran, and contained 62% of the ferulic acid present in the initial bran. The yield of the separation process was good (5.4% loss), and could be further increased.  相似文献   

18.
Summary The in vitro antimicrobial activity of extracts from accessions ofSolanum commersonii Dun. collected in the south of Uruguay was investigated against five microorganisms including the pathogenRalstonia solanacearum. A total of 30 extracts corresponding to organic and aqueous extracts were studied. Interestingly, most of the positive results for growth inhibition were againstR. solanacearum. The extracts were also analyzed for the presence of glycoalkaloids and lectins. Six of the ten aqueous extracts showed lectin presence and a wide variation in the type and amounts of glycoalkaloids, was found. Results indicate that there is no clear relationship between the antimicrobial activity against the five microorganisms screened and the presence or amounts of lectins and glycoalkaloids, traditionally regarded as possible antimicrobial metabolites in theSolanum genus, which indicates the presence of as yet unidentified antimicrobial compounds.  相似文献   

19.
Novel food and non-food uses for sorghum and millets   总被引:4,自引:3,他引:4  
Sorghum and millets have considerable potential in foods and beverages. As they are gluten-free they are suitable for coeliacs. Sorghum is also a potentially important source of nutraceuticals such antioxidant phenolics and cholesterol-lowering waxes. Cakes, cookies, pasta, a parboiled rice-like product and snack foods have been successfully produced from sorghum and, in some cases, millets. Wheat-free sorghum or millet bread remains the main challenge. Additives such as native and pre-gelatinised starches, hydrocolloids, fat, egg and rye pentosans improve bread quality. However, specific volumes are lower than those for wheat bread or gluten-free breads based on pure starches, and in many cases, breads tend to stale faster. Lager and stout beers with sorghum are brewed commercially. Sorghum's high-starch gelatinisation temperature and low beta-amylase activity remain problems with regard to complete substitution of barley malt with sorghum malt . The role of the sorghum endosperm matrix protein and cell wall components in limiting extract is a research focus. Brewing with millets is still at an experimental stage. Sorghum could be important for bioethanol and other bio-industrial products. Bioethanol research has focused on improving the economics of the process through cultivar selection, method development for low-quality grain and pre-processing to recover valuable by-products. Potential by-products such as the kafirin prolamin proteins and the pericarp wax have potential as bioplastic films and coatings for foods, primarily due to their hydrophobicity.  相似文献   

20.
Pulque is made by fermenting the agave sap or aguamiel of Agave atrovirens with a whole array of microorganisms present in the environment including several lactic acid bacteria and yeasts such as Saccharomyces cerevisiae. Ascorbic acid was determined in pulque and aguamiel, respectively. Phytase activity in lees, liquid and freeze-dried pulque was assayed by measuring the appearance of phosphate from phytate by a colorimetric method likewise phosphate from phytate present in fresh corn tortilla was measured after in vitro incubation with pulque. Iron, zinc, calcium, magnesium and selenium contents were measured in pulque and corn tortilla as well as in nixtamalized corn flour (NCF), the latter is used to make instant tortilla, since corn provides most of the energy as well as most of the phytate in the Mexican rural diet. Pulque showed phytase activity but much less ascorbic acid and iron than previously reported; additionally, phytase in pulque hydrolyzed most of phytate’s corn tortilla. Lees, which is mostly made of pulque’s microbiota, significantly accumulated iron and zinc but no selenium. NCF was fortified with iron by the manufacturers but poorly blended. There were significant differences on selenium content between tortillas samples, apparently some soils in central Mexico are selenium deficient. Moderate pulque intake appears to increase the bioavailability of iron and zinc bound by phytate in corn.  相似文献   

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