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i-ki
相关语句
  i—ki
     APPLICATION OF I-KI STAINING METHOD FOR DETECTION OF POTATO LEAFROLL VIRUS(PLRV)
     应用 I—KI 染色法检测马铃薯卷叶病毒
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  ⅰ-ki
     The polysaccharide granules in tissues of Eucommia ulmoides stained noblue-black with I-KI solution and showed no anisotropy under polarized micro-scope.
     杜仲(Eucommia ulmoides)枝条中的多糖颗粒经Ⅰ-KI溶液染色不显蓝黑色反应,偏光显微镜检查也不显示各向异性。
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  “i-ki”译为未确定词的双语例句
     Taro amylose and amylopectin exhibited blue values of 1.18 and 0.20 and λmax of I-KI blue color at 614nm and 587nm, respectively. Amylose content of taro starch was 14.7%.
     直、支链淀粉的蓝值分别是1.18和0.20,λmax分别为614nm和587nm,芋头淀粉中直链淀粉质量分数为14.7%。
短句来源
     The results indicate that the testing method of morphology and the two testing methods of staining with I-KI and TTC are not suitable to judge the pollen viability of hot pepper.
     研究表明,形态检验法、I-KI染色检验法和TTC染色检验法均不适用于辣椒花粉生活力的检验。
短句来源
     Taro amylose and amylopectin exhibited blue values of 1.18 and 0.20 and λ max of I-KI blue color at 614mm and 587mm respectively. Amylose content of taro starch was 14.7%.
     直、支链淀粉的蓝值分别是1 1 8和 0 2 0 ,λmax分别为 61 4nm和 5 87nm ,芋头淀粉中直链淀粉含量为 1 4 7%。
短句来源
     The fertile pollen could not be recognized with shape and the rate of anomalous pollen or the test of I-KI dyeing.
     不能单纯地从形状、畸形率或I KI染色来判断花粉的可育性。
短句来源
     Female and male fertility decreased greatly and even vanished thoroughly. Only 5 regenerated plants produced seeds with low frequency. I-KI stainable pollen ranged from 0 to 68% .
     雌、雄性育性显著降低或完全不育,仅有5株能够少量结实,I-KI溶液着色的花粉从0至68%不等。
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The paper is a experimental results on the forming seedling throughone-step culture in young ears and anthers of wheat (Triticum aestivum L.).Theyoung ears of the wheat were cultured on C17 medium with-2,4-D (below 0.5mg/l)and 6-BA (above 1.0mg/l),first,cultured in dark for about 15 days and then inlight,plantlets of great number could be regenerated easily in same medium.In the wheat anther culture,the Wheat ears,the pollen of whose anther is suit-able to the culture,were collected and then taken low-temperature...

The paper is a experimental results on the forming seedling throughone-step culture in young ears and anthers of wheat (Triticum aestivum L.).Theyoung ears of the wheat were cultured on C17 medium with-2,4-D (below 0.5mg/l)and 6-BA (above 1.0mg/l),first,cultured in dark for about 15 days and then inlight,plantlets of great number could be regenerated easily in same medium.In the wheat anther culture,the Wheat ears,the pollen of whose anther is suit-able to the culture,were collected and then taken low-temperature pretreatmentimmediately for five days.The anthers were taken out,stained in I-KI solution,delected under a microscope,and the anther whose pollen is in uninuclear,anaphasewere cultured in C17 medium with 2,4-D (below 0.5mg/l)and KT (below 0.5mg/l).first,cultured in dark for about 20 days and then in light.As the result,pollen-seedling can be regenerated on same medium.

本文报道小麦花药和幼穗可一步培养成苗的研究结果。小麦幼穗在添加低于0.5mg/l2,4-D 和高于1.0mg/16-BA 的 C17培养基上,先暗培养约15天,再转到光培养室培养,在同一培养基土可分化出大量植株。小麦花培,取花粉发育时期适宜的幼穗,立即进行约5天的适当低温处理,取花药用碘—碘化钾液压片染色,进行花粉发育时期的镜检,然后选取花粉粒处于单核后期的花药接种培养,培养基为含有低于0.5mg/l 2,4-D 和激动素的 C17培养基,先暗培养约20天,再光培养,可在同一培养基上分化出花粉植株。

This paper presents the observations and analysis of the fertility of MS, maintainer and restorer lines, hybrid F_1, F_2, BC_1and AF_1 (A× [B×R]) of Dian 1 Type and BT Type (hybrid rice) by the pollen fertility used as a main hereditary criterion. The results are as follows: 1. The pollen fertility of Dian 1 Type and BT Type hybrid rice is affected both by gametophytic and sporophytic genotypes; most of the aborted pollens of MS lines of the two types are stainable with I—KI solution. 2. The fertility in some...

This paper presents the observations and analysis of the fertility of MS, maintainer and restorer lines, hybrid F_1, F_2, BC_1and AF_1 (A× [B×R]) of Dian 1 Type and BT Type (hybrid rice) by the pollen fertility used as a main hereditary criterion. The results are as follows: 1. The pollen fertility of Dian 1 Type and BT Type hybrid rice is affected both by gametophytic and sporophytic genotypes; most of the aborted pollens of MS lines of the two types are stainable with I—KI solution. 2. The fertility in some hybrid combinations of the two types is governed by the interaction of MS cytoplasm and a pair of nuclear genes, and in other hybrid combinations, the inheritanee is governed by the interaction of MS cytoplasm and two pair of nuclear genes (R_1R_1R_2R_2or r_1r_1r_2r_2)。 There is a difference between R_1R_1and R_2R_2 in their effects, and obvious dosage or additive effects exist between genes. Therefore, a preliminary conclusion can be reached that the fertile genotypes of Keng hybrid rice vary with combinations; the same MS line or reestorer line may express not all the same genotype in different combinations. 3.The nuclear sterile genes of MS lines and nuclear fertile genes of restorer lines between Dianl Type and BT Type are both alleles.

以花粉可育率为主要遗传指标,对滇一型和BT型“三系”以及杂种F_1、F_2、BC_1和AF_1(不×[保×恢])等世代的育性进行了观察分析。结果表明:滇一型和BT型不育系花粉败育以染败为主。二者不育系的不育基因和恢复系的恢复基因两两相互等位。供试材料有部分杂交组合表现为一对育性核基因与细胞质基因共同控制的遗传,而另一部分杂交组合表现为两对育性核基因与细胞质基因共同控制的遗传。恢复基因(R_1、R_2)的作用有强弱之分,并表现明显的加性效应。据此初步认为:粳型杂交水稻的育性基因型因组合不同而不尽相同,同一不育系或恢复系在不同的组合中可能表现不同的育性基因型。

Caladium bicolor and C. tricolor are ornamental species of Araceae. Leaves and petioIes of 12 cultivars used as explants were cultured in vitro for micropropagation. It was found that the leaf in the cultivars with large typed leaves was the best explant, while the petiole in the cultivars with small typed leaves was the best explant. Leaf explants from clonal seedlings were much better than those from normal plants in micropropagation. It is of interest to note that when the leaves or petioles of all tested...

Caladium bicolor and C. tricolor are ornamental species of Araceae. Leaves and petioIes of 12 cultivars used as explants were cultured in vitro for micropropagation. It was found that the leaf in the cultivars with large typed leaves was the best explant, while the petiole in the cultivars with small typed leaves was the best explant. Leaf explants from clonal seedlings were much better than those from normal plants in micropropagation. It is of interest to note that when the leaves or petioles of all tested cultivars were cultured on MS medium with 2 mg/L BA and 0. 2~0. 6 mg/L NAA, they differentiated and directly formed tubercles, then many plantlets were regenerated from them in MS medium with reduced concentration of phytohormones. Tile sections of tubercle were white and hard, and became dark blue when stained with I-KI solution, which were the same as the normal tuber of Caladium. Shoots were initiated on the tubercles, and roots appeared at the base of shoots. This special pattern of plant regeneration is quite different from that of organogenesis and embryogenesis observed in tissue culture.

采用12个不同品种花叶芋的叶片和叶柄进行组织培养,发现不同品种的最佳外植体并不一致,大叶型品种以叶片、小叶型品种以叶柄为佳。试管苗叶片和叶柄比栽培苗的叶片与叶柄更有利于作离体繁殖的外植体。不同外植体对培养基要求则差别不大。花叶芋离体叶片和叶柄在MS+BA 2mg/L+NAA 0.2~0.6mg/L培养基上可直接分化成小芋块,小芋块剖面坚实呈白色,以I-KI溶液染色呈现深蓝色,与盆栽苗芋块相同。小芋块在降低激素浓度培养基即于MS补加BA与NAA各0.1mg/L培养基上,即分化出大量的再生植株。在芋块上分化出芽,在芋块与苗之间分化出根。

 
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