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New Lepidium (Brassicaceae) from New Zealand
The vascular flora of New Zealand contains an estimated 2400 species of indigenous plant, of which a staggering 83% are endemic. Nevertheless, despite the 244 years of botanical exploration there are still many flowering plants left to formally describe from New Zealand. In this issue of PhytoKeys the diversity of the endemic Cook’s Scurvy grass (Lepidium oleraceum) is subjected to a modern taxonomic treatment, recognising in the process ten new endemic species, and accepting six others described by past workers. This issue includes detailed descriptions for all 16 Lepidium species and discusses their ecology, ethnobotany and conservation status. A dichotomous key to the naturalised and indigenous Lepidium of the New Zealand archipelago is also provided.
Applications of High-Field and Short Wavelength Sources
The Optical Society of America Conference on Applications of High Fields and Short Wavelength Sources, held in Santa Fe, New Mexico, USA, from March 20-22, 1997, was an exceptionally exciting conference. This conference was the seventh in a series of topical con ferences, held every two years, which are devoted to the generation and application of high field and short wavelength sources. The meeting was truly international in scope, with equal participation from both within and outside of the US. In the past two years, there has been dramatic progress in both laser and x-ray coher ent sources, both fundamental and applied. The 1997 meeting highlighted these advances, which are summarized in ...
Apomixis in Angiosperms
Apomixis is a difficult-to-analyse trait with a complex molecular basis and a substantive effect on the biology of a species. Thus, apomixis is an interesting characteristic for researchers and students working in different fields of plant science and agriculture, and technological advances are enabling and making apomixis studies more common. Apomixis in Angiosperms: Mechanisms, Occurrences, and Biotechnology provides a systematic introduction to the mechanisms and developmental types of apomixis along with an overview of alternative methodologies for identifying apomixis and a detailed reassessment of the occurrences of apomictic species among angiosperm families. Optional methods are illu...
Who's who of Southern Africa
Vols. for 1967-70 include as a section: Who's who of Rhodesia, Mauritius, Central and East Africa.
Plant-Associated Bacteria
This volume is envisioned as a resource for researchers working with beneficial and harmful groups of bacteria associated with crop plants. The book is divided into two parts, with Part I on beneficial bacteria including chapters on symbiotic nitrogen fixers and rhizosphere bacteria. The second part consists of detailed descriptions of 8 genera of plant pathogenic bacteria, including Agrobacterium and Herbaspirillum. Each chapter covers terminology, molecular phylogeny and more. soft-rot, Pseudomonas, Xanthomonas, Ralstonia, Burkholderia and Acidovorax There is an opening chapter on the plant-associated bacteria survey, molecular phylogeny, genomics and recent advances. And each chapter includes terminology/definitions, molecular phylogeny, methods that can be used (both traditional and latest molecular tools) and applications
Coherent Sources of XUV Radiation
Extreme ultraviolet radiation, also referred to as soft X-rays or XUV, offers very special optical properties. The X-UV refractive index of matter is such that normal reflection cannot take place on polished surfaces whereas beam transmission through one micrometer of almost all materials reduces to zero. Therefore, it has long been a difficult task to imagine and to implement devices designed for complex optics experiments in this wavelength range. Thanks to new sources of coherent radiation - XUV-lasers and High Order Harmonics - the use of XUV radiation, for interferometry, holography, diffractive optics, non-linear radiation-matter interaction, time-resolved study of fast and ultrafast phenomena and many other applications, including medical sciences, is ubiquitous.
Chemist and Druggist
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