重瓣花

All breeders are in favor with shape breeding and long for the new cultivars with higher ornamental value, especially double flowers with its noble and plump beauties. Studies with eudicots of Arabidopsis thaliana and Antirrhinum majus led to the ABC model of flower development.

长期以来，百合花形育种一直是人们关注的最重要的育种目标之一，人们希望获得具有更高观赏价值的花卉新品种，比如重瓣花，它具有的高贵丰满之美，促使人们在各种花卉中都希望获得重瓣的突变体。

The flower has most often four tepals, the number varying among some cultivars to 5 or 6 (e.g. 'Etoile Violette') or even several dozen, arranged in several layers in double-flowered hybrids (e.g. 'Purpurea Plena Elegans').

大多数花有4个花瓣，有的品种有5-6个（如'Etoile Violette'），在重瓣花品种中甚至排列基层达到几十个（如'Purpurea Plena Elegans'）。

The seeds could not be stored for a long time and the number of germination was 50% or so when seeds were cold stored . We can infer through analyzing the inheritance of some character of Gerbera jamesonii that the expression of red flower color of hybrids somewhat trended to that of female parents , plant height、flower diameter and flower doubleness had a declined tendency .

通过对杂交组合F1代的部分性状遗传变异情况分析可知：非洲菊舌状花瓣的红色具有偏母性遗传的倾向；单瓣性具有一定的遗传优势，重瓣型不具有遗传优势；杂交F1代的株高和花径呈趋小性衰减的趋势。

It implied that the moderate shading could improve contents of chlorophyll, and delay mature stage and florescence. This was important for the growth and garden applications of Hemerocallis fulva var. florepleno.

适度的遮荫可以提高重瓣大花萱草的叶绿素含量，对延缓叶片的成熟期和花期有重要的影响，同时对重瓣大花萱草的生长及园林应用有重要意义。

The floral axis pulp, extracts from the bulb, is higher than the leaf slightly, the raceme goes against lives, spends 5~20, each flowered 6 petals, crosswise or the declinator, the funnel shape, the perianth tube long, the base expands,The lobe oval, the counter-volume, likely hemstitching young Zhong, the flower has purple, white, red, yellow, the powder, blue isochromatic, but also has the double petals, the big flower, the early blossoming and polyploid and so on the varieties.

花茎肉质，从鳞茎抽出，略高于叶，总状花序顶生，花5～20朵，每花6瓣，横向或下倾，漏斗形，花被筒长、基部膨大，裂片长圆形、反卷，像个卷边的小钟，花有紫、白、红、黄、粉、蓝等色，还有重瓣、大花、早花和多倍体等品种。

Semidouble vivid fuchsia-red two-tone/ darker eye, sparkle edge.

半重瓣花，深浅不一的樱红色，有较深色的眼，宽晕边。

Beautiful armpit is unripe, body is large, petaline egg form, have red, pink, yellow, white wait for color, base the ministry is scarlet, 5 - will blossom in November, have univalve with heavy valve mutation, univalve stamen is exceeded corollaceous outside, be called help up mulberry, heavy valve calls peony of bright red Jin.

花腋生，形大，花瓣卵形，有红。粉红。黄。白等色，基部深红，5－11月开花，有单瓣和重瓣变种，单瓣雄蕊超出花冠外，叫做扶桑，重瓣称为朱槿牡丹。

He pleased manypeople by developing new flowers:the big Shasta daisy,theBurbank rose,a gladiolus plant with a double flower,and apoppy with a silver inner part to its flower.

好多人喜欢他培育的新花卉，既有硕大的沙斯塔山雏菊、伯班克玫瑰、一种开重瓣花的唐菖蒲属植物，又有一种中心部分呈银白色的罂粟花。

The cluster result revealed the evolution tendency of Rosa plants. Original character was white and simple petal. Modern character of Rosa cultivars was Larger and double flower. The Rosa of pink semi-double petal was the transition from wild species to modern cultivars.

聚类结果显示出了蔷薇的演化趋势：白色、单瓣是蔷薇较为原始的一个性状，花径大、重瓣性高是现代蔷薇栽培品种的性状，而部分粉红色半重瓣蔷薇则是从野生种到现代栽培品种的中间过渡类型。

Single color Qingbaikouan Corolla-based, yellow-tipped stamens, perianth 6, the middle of the golden crown of the complex, such as lamp-like shape, taste fresh flowers; complex valve type, double flowers, white, 12 cleft perianth cluster , Corolla and the top of the bottom of pale yellow light, there is no obvious deputy crown.

单瓣型的花冠色青白，花蕊黄色，花被6瓣，中间有金色的复冠，形如盏状，花味清香；复瓣型，花重瓣，白色，花被12裂，卷成一簇，花冠下端轻黄而上端淡白，没有明显的副冠。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

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