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Yunnan wheat(Triticum aestivum ssp. Yunnanense King) and Tibet semiwild wheat (Triticum aestivum ssp. Tibetanum Shao) are two endemic subspecies of common wheat T. eastivum L.

云南小麦(Triticum aestivum ssp.yunnanense King)和西藏半野生小麦(Triticum aestivum ssp.tibetanum Shao)是我国西部地区特有的两个普通小麦T.aestivum L。

Yunnan wheat(Triticum aestivum ssp. Yunnanense King) and Tibet semiwild wheat (Triticum aestivum ssp. Tibetanum Shao) are two endemic subspecies of common wheat (T. eastivum L.) in the west of China.

云南小麦(Triticum aestivum ssp.yunnanense King)和西藏半野生小麦(Triticum aestivum ssp.tibetanum Shao)是我国西部地区特有的两个普通小麦T.aestivum L。

Supported by GIS, maps were overlapped of normalized vegetation index, topograph, soils, government districts, yearly rainfall, yearly mean temperature, accumulated temperature during growing period of wheat, so as that ecological layers for wheat were stratified objectively and a base graph of non wheat image cell was plotted for average year.

在地理信息系统支持下，将处理好的归一化植被指数图与地形图、土壤质地图、政区图、年降水量图、年平均气温图、小麦生育期积温图等背景图件叠加，进行比较客观的小麦遥感生态分层，并制成常年非麦象元分布底图。

The paper aimed at the research status of main transgenic techniques in wheat and transferring the transeunt gene into wheat , the content include researches of the quality gene , resistant herbicide gene and other important genes transferred into the wheat with all kinds of methods , especially the way of particle bombardment .

其内容包括几种主要的小麦转基因方法和以基因枪法为主的各种转化技术对品质基因，抗除草剂基因和抗病等基因在小麦中的遗传转化研究进展

On the basis of long-term experiment, changes in soil organic C, N and dynamics of soil NO〓-N of cropping systems were investigated in gully area of the Loess Plateau by means of analysis of the 15-year soil samples, crop yield in following crop systems: 1 continuous winter wheat with unmanured , nitrogen, organic manure , phosphorus and organic manure , nitrogen and phosphorus , nitrogen, phosphorus and organic manure , 2 continuous alfalfa, 3 pea-winter wheat rotation, winter wheat-sainfoin rotation, and 4 bare fallow. A model was developed according to the organic C dynamics, and was tested by the long-term experiment.

本文以中国科学院长武试验站的长期试验（始于1985年）为依托，通过对典型处理8-15年的土壤养分、作物产量以及同期降水量等的系统分析，揭示了黄土旱塬区不同种植体系中土壤有机碳、氮的演变规律；阐明了长期施肥条件下土壤硝态氮的迁移积累机理；提出了目前水肥条件下黄土旱塬区冬小麦生产潜力及其提高途径。

However, the use of Aegliops tauschii in improvement of wheat yield trait has not been reported. In this study, T.durum-Ae.Squarrosa amphidiploids was crossed with common wheat PH85-16, then backcrossed with PH85-16. The variation characteristic of the main yield traits of BC1F1 and BC1F2 were analyzed. Then, QTLs affecting yield traits were detected by 130 SSR primer pairs of D genome in BC_1F_1 and BC_1F_2.The result showed chromosomes in D genome from Aegliops tauschii affected yield trait of wheat significantly.

本研究以二倍体小麦粗山羊草与四倍体硬粒小麦合成的双二倍体Am6为亲本，与普通小麦PH85-16 进行杂交，再用PH85-16 进行回交，对获得的回交后代进行了主要产量性状调查，利用位于小麦D 基组的SSR 分子标记进行了分子标记分析，对来自粗山羊草与产量性状相关的数量性状位点进行定位，探讨粗山羊草对小麦产量性状的影响。

Fifty-five lines with different Wx genes from the DH population of Yangmai 10/Waxy C, and 12 waxy wheat varieties derived from the crosses or backcrosses of Yangmai 9 as no-waxy parent or recurrent parent with different waxy wheat varieties were used to study the effects of Wx genes on percentage of vitreous kernel. The grain protein content of 12 waxy wheat varieties with floury endosperm from different crosses was also tested.

为了明确Wx基因变异与小麦籽粒胚乳的关系，以玉米花粉诱导扬麦10号（角质胚乳品种，非糯小麦）与糯质供体Waxy C杂种F1产生的不同Wx基因变异类型的55个双单倍体系以及以扬麦9号与不同糯质供体亲本杂交、回交育成的12个糯小麦品系为材料，研究了Wx基因变异对籽粒胚乳质地的影响，同时测定了12个不同来源的粉质胚乳糯小麦籽粒蛋白质含量。

The decrease rate of chlorophyll content of sole cropped wheat was higher than intercropped wheat. The decrease of chlorophyll content of intercropped wheat was significantly delayed during filling stage.

整个生育期单作小麦叶绿素含量下降的速率均高于间作，间作对延缓灌桨期小麦叶片叶绿素含量下降的效果显著。

With no nitrogen application,water use by 6 varieties of wheat/maize intercrops relative to sole crops were decreased by 4.82%～8.79%.Water use efficiency by wheat of 171 /maize intercrops relative to sole crops were increased by 9.25%,yet the other varieties of wheat/maize intercrops relative to sole crops were decreased by 2.30%～15.06%.

不施氮条件下，6个小麦品种与玉米间作相对于单作水分消耗量减少4.82%～8.79%，小麦品种171与玉米间作相对于单作水分利用效率增加9.25%，而其余5个品种与玉米间作较单作减少2.30%～15.06%。

The results showed that spring wheat with plastic film mulches was able to improve the content of chlorophyll and protein of leaves in the earlier growing period and the average increase per day of the content of chlorophyll and protein of the mulched wheat increased by 31.49% and 7.94% than that of unmulched wheat respectively; but it could accelerate the decomposition of chlorophyll and protein in the later period.

结果表明，采用地膜覆盖栽培方法，在春小麦生长前期能明显提高叶片叶绿素和蛋白质的含量（日均增加量分别比露地春小麦高31.49%和7.94%），但后期又会加速其降解速率；MDA含量和细胞质膜相对透性均表现为覆膜处理高于露地处理（日均增加量分别比露地春小麦高71.96%~11.78%和2.42%~9.57%）。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

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如果有任何问题，你可以随时联系我。