نتایج جستجو برای: sepal

تعداد نتایج: 237  

2015
Chao Gu Liao Liao Hui Zhou Lu Wang Xianbao Deng Yuepeng Han Ji-Hong Liu

Cherry plum is a popular ornamental tree worldwide and most cultivars are selected for purple foliage. Here, we report the investigation of molecular mechanism underlying red pigmentation in purple-leaf plum 'Ziyeli' (Prunus cerasifera Ehrhar f. atropurpurea (Jacq.) Rehd.), which shows red color pigmentation in fruit (flesh and skin) and foliage. Six anthocyanin-activating MYB genes, designated...

2013
Wei Sun Wenjun Huang Zhineng Li Haiyan Lv Hongwen Huang Ying Wang

The Crabs Claw (CRC) YABBY gene is required for regulating carpel development in angiosperms and has played an important role in nectary evolution during core eudicot speciation. The function or expression of CRC-like genes has been explored in two basal eudicots, Eschscholzia californica and Aquilegia formosa. To further investigate the function of CRC orthologous genes related to evolution of...

2014
Seema Singh

Image classification can be done based on two different approaches. The first approach, well documented in literature is statistical method. The second, which is followed in this paper, is neural network based approach. Various neural network algorithms are analyzed for image classification purpose for different applications. Image classification using neural networks requires some preprocessin...

2010
Adrienne H. K. Roeder Vijay Chickarmane Alexandre Cunha Boguslaw Obara B. S. Manjunath Elliot M. Meyerowitz

How growth and proliferation are precisely controlled in organs during development and how the regulation of cell division contributes to the formation of complex cell type patterns are important questions in developmental biology. Such a pattern of diverse cell sizes is characteristic of the sepals, the outermost floral organs, of the plant Arabidopsis thaliana. To determine how the cell size ...

Journal: :American journal of botany 2005
Carlos M Herrera

The perianth persists after flowering in many plants, yet its post-floral functionality has been little investigated, and the few studies available provide ambiguous evidence. This paper tests the hypothesis that the green persistent sepals of the perennial herb, Helleborus foetidus, contribute to the plant's fitness by enhancing seed number and/or size. Post-floral contribution of the calyx to...

2009
R Parimalan S Jagadeesan

Plants have many differences, like protandry, protogyny, etc. However, amidst these differences, all angiosperms have a common mechanism of flowering, i.e. concentric pattern of flowering (sepal, petal, stamen and carpel). The mechanism or the genes thorough which plants maintain boundaries between the four, sepal-petal-stamen-carpel, are also given due importance. Once a plant attains competen...

Journal: :Development 2012
Adrienne H K Roeder Alexandre Cunha Carolyn K Ohno Elliot M Meyerowitz

The formation of cellular patterns during development requires the coordination of cell division with cell identity specification. This coordination is essential in patterning the highly elongated giant cells, which are interspersed between small cells, in the outer epidermis of the Arabidopsis thaliana sepal. Giant cells undergo endocycles, replicating their DNA without dividing, whereas small...

In the present study, effects of edible coatings using sodium alginate (SA) and sodium alginate in combination with ascorbic acid (AA) on the shelf-life extension of strawberries at 4±1°C was studied. A factorial experiment was performed based on a randomized complete block design with four replications. The treatments included control (distilled water), SA (1%, 2%, 3% w/v), SA in combination w...

Journal: :Fitoterapia 2003
Hiroyoshi Moriyama Toru Iizuka Masahiro Nagai Yoshimi Murata

Kaempferol-3-O-gentiobioside, the major flavonoid glycoside in Indonesian Cassia alata was quantified in various parts of the plant. The mature leaf was found to contain the highest content of this metabolite. A decrease of the flavonoid content in the juvenile leaf during the period of October through December was also observed. The contents ranged from 2.0 to 5.0% and 1.0 to 4.0% in mature an...

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