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Pruning effect on content of quercetin and catechin in berry skins of cv. Blaufränkisch (Vitis vinifera L.)
Bud load canopy structure berry skin quercetin catechin
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2010/10/29
The effect of pruning severity on quercetin and catechin content in berry skins of cv. Blaufränkisch (Vitis vinifera L.) was studied over 3 years. Different crop levels and canopy structures were...
田间试验以常规施肥为对照，分析了华北平原北部小麦-玉米轮作区缓控释肥不同配比和用量土壤硝态氮含量和产量性状的变化。结果表明，常规用量分次施肥（100%UD）处理，土壤中NO-3-N含量在小麦生育后期仍然维持较高的水平，并且穗数、千粒重以及产量相对较高; 缓控释肥处理土壤中硝态氮（NO-3-N）含量与100%UD相比处于较低的水平，但产量无显著差异。玉米生长季缓控释肥表现出了明显优势，肥料利用率提高...
Effects of rhizobium strains isolated from wild chickpeas on the growth and symbiotic performance of chickpeas (Cicer arietinum L.) under salt stress
Cicer arietinum inoculation nitrogen fixation Rhizobium leguminosarum bv. ciceri salt stress wild chickpea
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2010/10/29
This study was conducted in order to evaluate the symbiotic effectiveness of Rhizobium leguminosarum bv. ciceri strains isolated from perennial wild chickpeas (Cicer anatolicum) in comparison to stand...
Short-Term Effects of Tillage on N Mineralzation from Farm Yard Manure in Semi-Arid Tropical Vertisol
Decomposition management mineral N organic matter
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2010/11/15
Tillage may have different effects on physical protection of organic matter during decomposition process. Short-term effects of tillage on N release from Farmyard manure (FYM) was studied during Augus...
Rice Production Response to Trade Liberalization in Cameroon
Cameroon Trade Liberalization Rice Supply response
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2010/11/15
Agriculture remains the mainstay of Cameroon’s economy, and rice an important cereal crop for
producers and consumers. Significant proportions of the population depend on rice production for their li...
不同气流运动方向密集烤房烟叶烘烤质量差异研究
密集烤房 气流运动方向 烟叶烘烤 质量
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2015/8/21
为比较气流上升式与气流下降式密集烤房的烟叶烘烤质量差异，开展了烟叶烘烤对比试验。结果表明，气流上升式密集烤房烤后烟叶色度更好，结构更疏松，上等烟比例要高得多；“两糖差”较小，后熟程度高；感官质量更好；中性、碱性香气成分和香气物质总量更丰富；香气指数B值更高，其烟叶烘烤质量好于气流下降式密集烤房。
Angiotensin I-Converting Enzyme Inhibitory Activities of Extracts from Commercial Chinese Style Fermented Soypaste
angiotensin I-converting enzyme (ACE) inhibitory activity Chinese soypaste peptide production region
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2010/10/25
Angiotensin I-converting enzyme (ACE) inhibitory activities of thirty commercial Chinese style soypaste were determined. All the aqueous sample extracts exhibited ACE inhibitory activities. Nine sampl...
Genetic Studies of Two QTLs for Rice Stripe Resistance Identified in Japanese Upland Rice Line, Kanto 72
near-isogenic lines quantitative trait loci rice breeding
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2010/10/25
Quantitative trait locus (QTL) analysis was performed to identify the chromosomal region controlling rice stripe virus (RSV) resistance in Japanese upland rice, Kanto 72. As a result, two QTLs were de...
采用滤纸片富集法对采自广东省信宜的土壤样品进行了粘细菌的分离和纯化,共获得6个菌株(So ce M1～So ce M6)。利用体视显微镜、倒置显微镜和扫描电镜对这些菌株的子实体、菌落及营养细胞等进行了形态学的观察和特征描述。同时,还测定了6个菌株的16S rRNA基因序列,应用blast程序与GenBank 中已知的纤维堆囊菌及其他粘细菌序列进行比对,并采用邻位相连法(NeighborJoini...
The Effects of Benzyladenine and Meta-topolin on in vitro Shoot Regeneration of a Citrus Citrandarin Rootstock
cytokinins organogenesis adventitious shoots plant growth regulators
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2010/11/15
The effect of 6-benzyladeninepurine (BA) and meta-topolin (mT) on the three responses shoot
quality, numbers of epicotyl explants producing shoots, and the number of shoots greater than 2 mm from cit...
The effects of biogas slurry on the production and quality of maize fodder
Biogas slurry biomass plant height leaf area maize fodder
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2010/2/24
The present study examined the effectiveness of biogas slurry (liquor from anaerobic digestion process) as a nitrogen source for the production of maize fodder (Zea mays). Maize fodder was cultivated ...
Changes in hay yield and quality of bulbous barley at different phenological stages
Bulbous barley phenological stage hay yield mineral content livestock
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2010/2/24
The objective of this study was to determine the changes in hay yield and quality components at different phenological stages of a bulbous barley (Hordeum bulbosum L.) population handpicked from natur...
不同氮效率基因型水稻植株氨挥发速率及其与氮效率的关系
水稻 基因型 NH3挥发速率 氮效率
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2010/8/17
植物组织中氮素气态挥发损失可能与其氮效率密切相关。探讨不同氮效率基因型水稻地上部NH3 挥发特征及其与氮效率的关系,可为氮高效基因型的筛选提供理论依据和技术指标。本试验采用4 个氮浓度进行盆栽液培, 以扬稻6 号、BG34-8、武育粳3 号和珍汕97B 等4 个水稻品种为材料, 研究水稻NH3 挥发速率(ammonia volatilization rate,AVR)与氮利用效率的关系。结果表明,...
火龙果总DNA提取方法比较研究
火龙果 总DNA 微量CTAB法 改良CTAB法
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2010/2/23
火龙果组织中含有多糖及其他次生代谢物质，因而难以提取高质量的DNA。本试验以火龙果嫩茎为材料，进行多种DNA提取方法比较研究，并通过琼脂糖凝胶电泳对所提取的DNA样品进行检测，结果表明，改良CTAB法和微量CTAB法均可用于火龙果DNA提取，尤其是微量CTAB法，提取的DNA纯度较为理想，能满足后续分子生物学研究的要求。