查询词典 rudbeckia

The result showed that the best is Coreopsis drummondii, its semi-lethal concentration and limit concentration both reached as high as 1.4%; The next was Callistephus chinensis, its semi-lethal concentration was 0.6%, and its limit concentration was 1.2%; The middle was Althaea rosea, its semi-lethal concentration was 0.4%, and its limit concentration was 1.2%; The lower one was Rudbeckia hirta, its semi-lethal concentration was 0.4%, and its limit concentration was 1.0%.

结果表明：耐盐性最强的是金鸡菊，其耐盐半致死浓度和耐盐极限浓度高达1.4%；其次为翠菊，耐盐半致死浓度为0.6%，耐盐极限浓度为1.2%；耐盐力中等的是蜀葵，其耐盐半致死浓度为0.4%，耐盐极限浓度为1.2%；耐盐性最差的是黑心菊，耐盐半致死浓度为0.4%，耐盐极限浓度为1.0%。

Using Rudbeckia hirta,Coreopsis drummondii,Callistephus chinensis, Althaea rosea ,four kinds of ornamental plant seeds as the test materials,treated with NaCl and Na2SO4 double salt solutions of different concentrations,and the relative germination percentage,root length,simply vigour index,synthetic inhibitory effect were measured to determine the effect of salt stress on seed germination.

以黑心菊、金鸡菊、翠菊、蜀葵4种花卉种子为材料，研究不同浓度NaCl和Na2SO4复盐溶液处理下种子及幼苗的耐盐性，并观察其相对发芽率、根长、简易活力指数、综合效应。

In this article, characters of domestic varieties such as Salvia splendens, Tagetes erecta, Rudbeckia hirta and Impatiens balsamina which suitable for summer using were introduced. And the suitable applications of them were suggested according to their performances during flowering phase. At the same time, characters of the new varieties are exhibited and reference data were provided for their large application in the future. At last, the reasons of lags in accepting new varieties in market were analyzed.

介绍了国产自育草本花卉一串红、万寿菊、黑心菊、中国凤仙等10个适宜夏季应用的新品种的特性，并根据其花期表现提出了适宜的应用方式，为园林设计者展示草花新品种特性，为其将来的大量应用提供参考资料，并分析了市场接受新品种滞后的原因。

Any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones.

金光菊属的各种植物，具有大的、通常是黄色的、球果状花盘的菊科植物。

The effect of soil temperature on the growth was studied in Rudbeckia hirta, a biennial herbaceous flower.

以二年生草本花卉黑心菊为材料，研究了土壤温度对其生长发育的影响。

Any of various North American plants of the genera Rudbeckia, Ratibida, and Echinacea in the composite family, having disk flowers on a cone-shaped central receptacle surrounded by colorful ray flowers.

锥光菊任一种产于北美的金光菊属和松果菊属混合种植物，在被伞状小花包围的锥状中心花托上开有盘状花朵

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。