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From differentiation of soybean varieties and photoperiod adjustment, anatomical differentiation essence of different types of stem termination soybean varieties, variation law of stem termination development under different photoperiod treatments, effect of long day on the terminal raceme of soybean, regulation rules of AGAMOUS gene among different soybean varieties and under different photoperiod treatments were studied, which would provide theory base of plant type breeding of soybean especially improvement of podding-habits and cultivation and management of soybean.

因此,试验于2006和2007年在中国农业科学院作物科学研究所完成,主要从大豆的品种差异和光周期调控入手,利用解剖学和分子生物学技术,研究不同结荚习性大豆品种的本质差异、大豆在不同光周期处理下茎顶的变化规律,进一步明确长日照对大豆顶端花序的影响,及AGAMOUS基因在不同光周期处理下大豆品种中的表达规律,为大豆株型育种特别是结荚习性的改良及大豆栽培管理提供理论依据。

Path analysis showed that N translocation rate of culm was higher for the high fresh ear yield varieties,while the N translocation rate of culm and tassel was higher for the high fresh kernel yield varieties,and the N translocation rate of leaf,bracteal leaf and ear axis was higher for the high kernel yield varieties.In addition,higher N translocation rate of leaf had a beneficial effect on N utilization efficiency as for fresh ear,fresh kernel or maturity kernel of the produce of waxy corn.

通径分析表明,鲜穗高产品种茎秆的氮素转移率较高,鲜子粒高产品种茎秆和雄穗的氮素转移率较高,成熟子粒高产品种叶片、苞叶及穗轴的氮素转移率均较高;叶片的氮素转移率高有利于品种鲜穗、鲜子粒及成熟子粒氮素利用效率的提高。

In this study, Pingguoli was used as an objection, and metaxenia effect was compared with different pollinated varieties, which were collected from four pear varieties in Hebei and five pear varieties in Yanbian respectively.

以苹果梨为研究对象,采用4个河北梨、5个延边当地梨为授粉品种,比较了不同授粉品种在苹果梨上产生的果实直感效应。

The qualities of main crop varieties of winter wheat, spring wheat, winter highland barley, spring highland barley and spring rape in 5 southern agricultural and postoral regions in Tibet have been analyzed,the results of which show that wheat varieties in Tibet have,compared with wheat varieties in Yellow-Huai region and Weihe Plain subregion, high thousand-grain weight, low natural .weight, low protein and wet glutenin contents, poor stability of rheology and poor quality,and also the differences among ...

对西藏藏南农牧区5个地区的主要农作物冬小麦、春小麦、冬青稞、春育稞及春油菜品种的品质分析结果表明,与黄淮麦区渭河川地副区小麦品种相比,西藏小麦品种千粒重高、容重低、蛋白质及湿面筋含量极低,面团的流变学稳定性很差,面粉品质差,且不同品种之间品质差异较小;西藏青棵千粒重高、容重大、蛋白质含量极低,品种之间的差异小于地区差异;西藏春油菜菜籽含油量高,硫代葡萄糖甙含量低,但芥酸含量远超过国家规定标准。

At the end of the experiment, total soluble sugar of Fuji was higher than other varieties. Total titratable acids, AsA in Fuji fruit were similar to other varieties, and fruit hardness was higher than other varieties.

试验结束时富士的可溶性总糖含量仍较高,可滴定总酸、抗坏血酸含量与其他品种相当,硬度明显高于其他品种。

In the present study, efficient identification methods for the main varieties of cowpea (Vigna unguiculata W.) and cauliflower (Brassica oleracea L.) in south of China, especially in zhejiang province, were investigated by using seven cowpea varieties (variety 1, Zhijiangtechang80;variety2, Zhijiangtechang90;variety3, Qiujiang512;variety4, Zhijiang228-2;variety5, Huajiang24;variety6, Yangjiang40;and variety7, Xingaochan8) and five cauliflower varieties (variety A, Longfenteda50tian;variety B, Yidaijinguang80tian;variety C, RuixuetedalOOtian;variety D, Qiuwang80tian;and variety E, Tezao50tian). The application of seed shape, seedling shape, rapid chemical identification and electrophoresis was performed, the main results were as follows.

为开展南方特别是浙江省主要蔬菜作物种子高效快速鉴定技术研究,本试验以七个豇豆品种品种1(之豇特长80,品种2(之豇特长90),品种3(秋豇512),品种4(之豇228—2),品种5(华豇24号),品种6(扬豇40号),品种7和五个花椰菜品种品种A(龙峰特大50天,品种B(一代金光80天),品种C(瑞雪特大100天),品种D(秋王80天),品种E(特早50天)为材料,从种子形态、幼苗形态、快速化学和电泳鉴定等方面对豇豆和花椰菜品种鉴定进行了研究,特别是对乳酸—聚丙烯酰胺凝胶电泳在这两种蔬菜品种鉴定上的可行性进行了研究。

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 results show that the differences of beet root production, sugar and sugar production in different species and location have reached significant levels (F.01), variety and location of interaction effects are achieved very significant (F.01) or significant levels (F.05); Considered root production, sugar and sugar production and stability, ZM203, KWS9415 are better for the stability of high-yielding varieties, D0316, ZM203 are better for the stability of the high-sugar varieties, ZM201 for the stability of a high-yielding sugar, 2003-8 varieties is good for the stability of high-yielding sugar deviation species.

结果表明:甜菜块根产量、含糖率和产量糖在不同品种和地点的差异都达到极显著水平(F.01),品种与地点互作效应都达到极显著(F.01)或显著水平(F.05);综合考虑块根产量、含糖率和产量糖的表现和稳定性,ZM203、KWS9415为高产稳定性较好的品种,D0316、ZM203为高糖稳定性较好的品种,ZM201为高产糖量稳定性较好的品种,2003-8为高产糖量稳定性偏差的品种。

Which, sGKz8 varieties in the 2003-2004 national regional trials, seed cotton, lint, lint before frost control were 41 varieties of cotton by 121.1%, 126.4%, 129.2%, ranking first in 2005 through the national approval , is the first of bivalent insect-resistant genes to the three new varieties of hybrid cotton; otherwise GKz28, sGKz6, sGKz34 combination of a total of three test are participating in the National District.

其中,sGKz8在2003-2004年全国品种区域试验中,籽棉、皮棉、霜前皮棉分别为对照品种中棉所41的121.1%、126.4%、129.2%,均居第一位,2005年通过国家审定,是我国第一个转双价抗虫基因的三系杂交棉新品种;另有GKz28、sGKz6、sGKz34共3个组合正在参加全国区试。

Nowadays, more than 800 varieties of azaleas are still in existence; among them, China has more than 460 varieties, among which Yunnan account for 420 varieties.

但是现在,全世界有杜鹃花800多种,中国有460多种,而云南就占了420种,堪称世界杜鹃花的中心。

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