نتایج جستجو برای: orchid

تعداد نتایج: 2578  

Journal: :Nature 2010

Journal: :Zootaxa 2015
Klára Bezděčková Pavel Bezděčka Ivo Machar

The article presents a comprehensive list of the ants (Hymenoptera: Formicidae) of Peru. Distribution data for 592 valid names of species-group taxa in 76 genera and 12 subfamilies were collected through a bibliographical review. The most diverse subfamilies in terms of species richness are Myrmicinae (273 species/subspecies), Formicinae (86 species/subspecies) and Ponerinae (71 species/subspec...

2013
Stephen J. Wylie Hua Li Michael G. K. Jones

Complete and partial genome sequences of two isolates of an unusual new plant virus, designated Donkey orchid symptomless virus (DOSV) were identified using a high-throughput sequencing approach. The virus was identified from asymptomatic plants of Australian terrestrial orchid Diuris longifolia (Common donkey orchid) growing in a remnant forest patch near Perth, western Australia. DOSV was ide...

Journal: :Health Research Policy and Systems 2009
Tari J Turner Jacki Short

BACKGROUND Clinical practice guidelines (CPGs) are commonly used to support practitioners to improve practice. However many studies have raised concerns about guideline quality. The reasons why guidelines are not developed following the established development methods are not clear.The SEA-ORCHID project aims to increase the generation and use of locally relevant research and improve clinical p...

2010
Sreeramanan Subramaniam Xavier Rathinam

An early step in the Agrobacterium-mediated transformation of Phalaenopsis violacea orchid was investigated in the plant-bacterium interaction. Directed movement in response to chemical attractants is the crucial importance to Agrobacterium tumefaciens strains. Chemotaxis of Agrobacterium tumefaciens strains (EHA 101 and 105) towards wounded orchid tissues has been studied by using swarm agar p...

2016
Yuying Sun Guangdong Wang Yuxia Li Li Jiang Yuxia Yang Shuangxue Guan

Cymbidium faberi is a traditional orchid flower in China that is highly appreciated for its fragrant aroma from its zygomorphic flowers. One bottleneck of the commercial production of C. faberi is the long vegetative growth phase of the orchid and the difficulty of the regulation of its flowering time. Moreover, its flower size, shape and color are often targeting traits for orchid breeders. Un...

Journal: :Jurnal Penelitian Pendidikan IPA (JPPIPA) 2022

One type of orchid that is known to the public Phalaenopsis amabilis or moon orchid. Orchid cultivation inseparable from production risks are influenced by internal and external factors. This risk allows occurrence an event may cause losses. study aims identify sources risk, analyze priority management, propose actions control Bulan. research was conducted Salsa Orchid, located in Cihideung Vil...

Journal: :Ecology 2006
Melissa K McCormick Dennis F Whigham Dan Sloan Kelly O'Malley Brendan Hodkinson

The characteristics of plant-mycorrhizae associations are known to vary in both time and space, but the ecological consequences of variation in the dynamics of plant-fungus interactions are poorly understood. For example, do plants associate with single fungi or multiple fungi simultaneously, and do the associations persist through a plant's lifetime or do plants support a succession of differe...

Journal: :Annals of botany 2009
Ian M Cohen James D Ackerman

BACKGROUND AND AIMS Undisturbed forest habitat can be relatively impenetrable to invasive, non-native species. Orchids are not commonly regarded as invasive, but some species have become invasive and these generally depend on habitat disturbance. One of the most aggressive orchids is Oeceoclades maculata, a terrestrial species with remarkable ecological amplitude. Originally from tropical Afric...

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