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cultivars相关的网络例句

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The results showed that the apolar fraction of the root exudates from the highly resistant cultivars could kill the pathogen. Those of the general resistant cultivars could inhibit the spore germination and hyphal growth,while the sensitive cultivars couldn't.

荧光显微镜观察结果表明:高抗枯萎病的品种根系分泌物的有机成分对病原菌孢子有致死作用,中抗品种的对病原菌孢子萌发、菌丝的生长有显著抑制作用,相反感病品种的根系分泌物则能够起促进作用。

The distribution of the qualitative characters The performance of the 39 chief qualitative characters were observed and recorded,according to the test method of morphological characters in the .The results of distribution proportion of each character in cultivars group showed that the distribution of 32 characters(number of ray flower rings,floret curliness,shape of leaf base,size of stipule and so on) were very asymmetrical with near or above 70%cultivars concentrated upon one or two performance, however,the distribution of the other 7 characters(floret type,surface color of outer floret,back color of outer floret,color of disc floret,claw in base of sinus between lateral lobes,stem erectness and stem color) in the cultivars group were relatively symmetrical.

质量性状分布参照《菊花DUS测试指南》的形态性状测试方法,观察记录大菊39个主要质量性状的表现,计算各性状的表现式样在品种群内的分布比例,结果显示舌状花的重瓣性、花瓣曲反状况、叶片基部性状、托叶大小等32个性状的表现式样在品种群内分布极不均匀,接近或超过70%的品种集中在性状的1种或2种表现式样中;而花瓣形状、外花瓣表面色、外花瓣背面色、花中心部颜色、叶裂刻基部有无突起、茎的曲直性和茎色等7个性状的表现式样在品种群内的分布则相对均匀。4。

Seed samples of seven sweet corn cultivars and two dent corn cultivars were collected and analyzed for seed-associated fungi by washing test and PDA test,meanwhile seed vigor of all cultivars were evaluated by rolled towel test.

方法采用洗涤检测法和PDA平板法对市售7个甜玉米品种和2个普通玉米品种进行种子携带真菌检测,同时以滤纸卷法对种子活力进行测定。

Among the durum wheat, only few cultivars (12.2%) were resistant or moderately resistant while 58.9%of cultivars were resistant or moderately resistant among the bread wheat. Many Chinese cultivars at seedling stage were resistant to the most of Italian isolates of wheat powdery mildew.

由于意大利小麦品种或含有其亲本血缘的中国品种曾经在我国小麦育种和生产中起过比较重要的作用,因此希望这些信息对育种和植病工作者有所帮助。

The main results are shown as follows:1.Screening freezing tolerant cultivars and lines of chrysanthemumTwenty seven lines of chrysanthemum grown outdoors were screened using \'injury rate\' and \'injury index\'.There were 7 cultivars and lines,which were relatively high tolerant to freezing treatment,i.e.,\'Jinbuhuan\',\'Xuetao\',\'Fuli\',\'Donglin 4\',\'Donglin 6\',\'Donglin 9\', and \'Donglin 13\'.There were 3 cultivars and lines,which were less tolerant,i.e.,\'Fenmeigui\', \'Donglin 1\',and \'Donglin 2\';The determination of electrolyte leakage,and contents of free proline,MDA,CAT,fructose,glucose and soluble sugars on 7 lines of chrysanthemums at different stages freezing showed that \'Xuetao\' and \'Donglin 4\' were more tolerant than others, and that especially \'Donglin 4\' was able to regulate its osmotic pathway to alleviate the \'injury degree\' caused by freezing conditions.2.Protein expression profile of chrysanthemum under low temperature stressTwo-dimensional liquid chromatography was applied to fractionate and analyze total protein taken from \'Donglin 4\' leaves grown at low temperature and at normal condition. Chromatography peaks of fraction were transformed to gel graph by ProteoVue software.

主要研究结果如下:1、露地菊抗冻品种和品系的筛选利用受伤率和伤害指数两项指标对27个露地菊品系进行耐低温筛选,筛选出'金不换\'、'雪涛\'、'富丽\'、'东林4号\'、'东林6号\'、'东林9号\'、'东林13号\'等7个耐低温品系,同时发现'粉玫瑰\'、'东林1号\'、'东林2号\'三个品系的耐低温能力最差;通过对不同自然低温处理时期,7个品系的电导率、丙二醛含量、脯氨酸含量、过氧化氢酶、果糖、葡萄糖和可溶性糖等指标的测定发现,'雪涛\'和'东林4号\'的耐低温能力要强于其它品系,尤其是'东林4号\'对低温的调节能力较强,在低温胁迫下,能够调节渗透途径减轻低温的伤害。2、低温胁迫下,露地菊蛋白质表达谱分析利用二维液相色谱技术,分离了'东林4号\'露地菊品系的低温处理和对照样品的总蛋白,通过ProteoVue软件分析发现:处理样品与对照相比共有蛋白差异点36个,其中显著增强表达的蛋白差异点有26个。

And the development and formation of the sieve tube elements of the different cultivars were influenced by the different levels of B: the sieve tube elements of the two cultivars were not formed at the level of 0.001mg/L; At the level of 0.01mg/L, the sieve tube elements of the high efficiency (Qingyou 10) cultivar could be formed, but the structure of the sieve tube elements was not complete, and the abruption and differenciation of the sieve tube elements of the low efficiency cultivar were inhibited, they were not formed; At the level of 0.01mg/L, the sieve tube elements of the two cultivars were formed.

不同硼水平下,不同硼效率甘蓝型油菜品种根尖筛管分子的发育与形成受到影响:硼浓度为0.001mg/L时,两个油菜品种都不能形成筛管分子;硼浓度为0.01mg/L时,硼高效品种青油10号筛管分子可以形成,但结构受到破坏,而硼低效品种Bakow筛管分子的分裂与分化受阻,几乎不可能形成成熟的筛管分子;硼浓度为0.5 mg/L时,两个油菜品种都能正常生长发育。

The results showed that different southernwood cultivars displayed different artemisinin contents, especially, the artemisinin contents of planting cultivars and the cultivars with coloured stem were higher. Further AFLP analysis indicated that a specific fragment was amplified respectively with the primers of EA04-MC05 and EA01-MC01. According to the differentia fragments, we clustering analyzed the 10 major kinds of southernwoods by utilizing WPGMA approach. However, there was no distinctly relativity between the artemisinin contents and diversity of AFLP analysis and just can distinguish, southernwood of Youyang county from Shapingba and Beipo in producing area which still illuminated that the heredity differentia of southernwood presented itself obviously in different area.

研究结果表明:不同的青蒿株系青蒿素含量不同,栽培株系和色茎株系青蒿素含量较高;进一步的AFLP分析表明引物组合EA04-MC05和EA01-MC01分别在高产青蒿株系和茎色青蒿株系中均能扩增出一条特异性条带;根据AFLP差异带,用WPGMA法对10个主要青蒿类型进行聚类分析,结果没有得到与青蒿素含量的明确关联,只是从产地上将酉阳青蒿与北碚、沙坪坝青蒿区分,说明不同地区青蒿的遗传差异较大。

A set of maize inbreds or cultivars were firstly screened as GLS(Cercospora zeae-maydis)pathogen differential hosts with genetic background which current cultivars shared in China,such as inbreds Shen137,78599-1,Mo17,748,C8605-2,E28,598,Va35,K12 were identified as major ones,and cultivars Shenshi29, Shenshi31,Tiedan9,Yedan13,Dan413,Danyu18,Shennong87,Dongdan54 as affiliated ones.

从我国玉米品种资源中首次成功筛选出9个具有广泛血缘代表性的自交系,即沈137,78599-1,Mo17,478,C8605-2,E28,598,Va35,K12,作为玉米灰斑病菌的生理分化鉴别寄主;8个主栽品种,即沈试29,沈试31,铁单9,掖单13,丹413,丹玉18,沈农87,东单54,作为辅助鉴别寄主,从而确定了玉米灰斑病菌生理分化鉴别寄主体系。

The mechanisms for the differences among rice cultivars in Cd uptake and translocation There were significant differences in root oxidating abilities and soil redox potential between two typical rice cultivars, Shan you 63 and Wu yun jing 7, that are greatly different in Cd uptake from soil. The root oxidating abilities and soil Eh were accordant with Cd uptake for the cultivars. The difference between the two cultivars in Fe concentrations of root iron plaque was also significant. The cultivar with higher Fe concentrations in root iron plaque absorbed less Cd from soil.

四、水稻不同品种对镉吸收及分配存在差异的生理机理对土壤中Cd吸收能力差异很大的水稻不同品种间,根系氧化力和土壤氧化还原电位有显著差异,品种的根系氧化力和土壤氧化还原电位与该品种对Cd的吸收能力间有很好的一致性;水稻不同品种间,根表铁氧化膜的含铁量有显著差异,根表铁氧化膜含铁量高的品种,对土壤中Cd的吸收能力低;盆栽水分腾发量高及根系伤流液Cd浓度高的品种,吸收积累Cd的能力强。

The results showed that net photosynthetic rate P(subscript n, transpiration rate T(subscript r, stomatal conductance G(subscript s, intracellular concentration of CO2 C(subscript i, water use efficiency of cultivars and the light saturation point in leaves of 5 cultivars were different and had obvious differences, and the light compensation point was similar. Diurnal change of net photosynthetic rate among cultivars were different, three cultivars showed twin-peaked curve with an obvious midday-depress, others showed single peak curves.

结果表明:不同品种的净光合速率P(下标 n、蒸腾速率T(下标 r、气孔导度G(下标 s、胞间CO2浓度C(下标 i、水分利用率和光饱和点之间的差异明显,各品种的光补偿点均较低;净光合速率的日变化也存在明显的品种间差异,有3个品种呈&中午降低型&的双峰曲线,2个品种呈单峰曲线。

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