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Gene diversity level of landraces at every locus was higher than that of the released cultivars.

各个位点上群体间分化系数均较小，表明三个省份的遗传多样性分化程度较低，三省份种质的遗传基础较为狭窄。

Research of ISSR molecular marker The Genetic Diversity of 150 cultivars with typical representation in large-flowered chrysanthemum were investigated using 10 primers with clear bands and steady repetitiveness chosen from 50 ISSR primers.

ISSR分子标记研究从50个ISSR引物中筛选出10个条带清晰、重复性良好的引物，对具有典型代表性的150个大菊品种的遗传多样性进行分析。

The probability grading for quantitative characters 400 large-flowered cultivars were chosed and their eighteen chief quantitative characters were tested and recorded according to the test method of morphological characters in the .The empirical distributions were determined by nonparametric test after the distribution range,mean value and variation coefficients of these characters were calculated and frequency diagrams were drawn.

数量性状分级选择代表性强的400个大菊品种，参照《菊花DUS测试指南》的形态性状测试方法，检测其18个主要的数量性状，并对性状的分布范围、平均值、变异系数进行统计计算，在此基础上，绘制了分布频次图，结合非参数检验判断性状的分布类型。

Wanxiang' longan, super to main late-ripening longan cultivars as 'Lidongben' and 'Biekiew' in the world on comprehensive economic traits, was a very promising longan cultivar and had a good prospect in application.

晚香龙眼果实综合经济性状明显优于国内外晚熟龙眼主栽良种立冬本和苗翘，是一个很有希望的鲜食龙眼新品种，具有广阔的推广应用前景。

Using plant bivalent expression vector pCAMBIA1300 and pBI121 as basic components, a new binary vector harboring tomato chitinase gene Chi3 and tomato β-1,3-glucanase gene Glu-Ac, was constructed through sequential restriction digests and ligations recombination. The two genes driven by CaMV35s promoter were successfully transferred into watermelon cultivars "ZhongYuYiHao" via Agrobacterium-mediated transformation.

构建了同时含有番茄儿丁质酶基因（Chi3）和β-1，3-葡聚糖酶基因的双价抗真菌基因植物表达载体，以西瓜子叶块为外植体，采用根癌农杆菌介导法，将Chi3和Glu-Ac同时导入西瓜栽培种&中育一号&，共获得46株抗性再生植株。

Fluorescence parameters of leaf in the light-adapted can act as identify photosynthetic capability of rice cultivars.

光适应条件下的荧光参数可作用检测剑叶光合作用能力的指标之一。

At present, improving native cultivars of waxy corn and inbred lines derived form first cycle selection by introduction useful genes from yellow maize was the primary method widely used in waxy corn breeding program.

目前，利用普通玉米优良基因改良糯质农家品种及糯质一环系是我国糯玉米育种的主要方法；利用糯玉米杂交种选育二环系已成为我国糯玉米育种的次要方法，但有可能成为主要方法。

Jean de marle montague and bule bell had high net photosynthetic rate P(subscript n, transpiration rate T(subscript r and stomatal conductance G(subscript s, and showed high photosynthetic and potential productivity. The two cultivars also had low light compensation point and high light saturation point, showed high capacity for using light.

品种红粉玉蝶、井岗紫霞具较高的净光合速率、蒸腾速率和气孔导度，表现出较高的光合作用能力和生产潜力；同时这2个品种又有较低的光补偿点和较高的光饱和点，表现出较强的弱光利用能力和强光利用潜力。

The effects of mutagens on the in vitro tissues of two cassava cultivars were studied and the differences in salt tolerance of the plants that had been treated with different mutagens were compared.

研究了诱变剂对2个木薯品种以及离体组织的影响，并且对不同诱变处理植株的耐盐性差异进行了比较。

When treatment on the leaves in vitro of strawberry cultivars of All Star and Xinminxing by any mutagens, the result showed that the survival and regeneration rates have no difference .

对诱变剂的敏感性 '全明星'草莓和'新明星'草莓的离体叶片在各种诱变剂的处理下，成活率和再生率之间没有显著差异，表明两个品种对各种诱变剂的敏感性相似。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷