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Phytoplasmas: Plant Pathogenic Bacteria - I
Phytoplasma-associated diseases are a major limiting factor to quality and productivity of many ornamentals, horticultural and other economically important agriculture crops worldwide. Annual losses due to phytoplasma diseases in many crops vary, but under the pathogen favorable conditions they always lead to disastrous consequences to farming community. As there is no effective cure for phytoplasma diseases, the management options emphasize on their exclusion, minimizing their spread by insect vectors and propagation materials and on development of host plant resistance. The phytoplasma associated plant diseases have a history of more than 50 years. Phytoplasmas have undoubtedly infected pl...
Current Advances in Coconut Biotechnology
The coconut palm occupies a significant place in the world economy as an important subsistence crop in all the areas in which it is grown. Relatively few countries are able to export any quantity of coconut products because of increasing home demands coupled with low productivity. Yields are generally well below potential despite recent developments with improved planting stock and agronomic practices. In the last 50 years, both these aspects have received considerable attention, but the focus is shifting to investigate how the use of recently developed biotechnological techniques- can benefit the coconut industry. This volume, the result of the International Symposium on Coconut Biotechnolo...
Molecular and Diagnostic Procedures in Mycoplasmology
This book and its companion, Volume I, concentrate on new procedures--especially those based on the new molecular methodology--developed within the past decade. This volume deals with the new genetic and immunological tools applied to the diagnosis of mycoplasma infections of humans, animals, plants, insects, and all cultures. Volume I outlines the approaches, techniques, and procedures applied to cell and molecular biology studies of mycoplasmas. Diagnostic genetic probes Immunological tools Antibiotic sensitivity testing Diagnosis of specific diseases Experimental infections Diagnosis of mycoplasma infections of cell cultures
Ecophysiology of Tropical Tree Crops
Plant physiological research has a fundamental role in advancing our understanding of plants and their interactions with surrounding environments. As occurs with most tropical plant species, the gaps in our knowledge of the ecophysiology of tropical tree crops are incommensurable, though significant advances have occurred in recent years. This book highlights these recent advances, which could provide valuable information to manage crop plants for maximum productivity. Major tropical tree crops, considered here in a broader sense as including species such as banana, cassava, citrus, cocoa, coconut, coffee, mango, oil palm, papaya, rubber, and tea, are examined. For most of these crops, photosynthesis is treated as a central process affecting crop growth and performance. Crop physiological responses to environmental factors such as light and water availability and temperature are highlighted. The flowering control and fruit growth of crops such as citrus, coffee and mango are explored. In addition, several gaps in our database concerning the ecophysiology of tropical tree crops and areas for further research are indicated.
Will Rogers & Wiley Post
A dual biography of Will Rogers and Wiley Post, two of the best-known Americans of the 1930s who, on August 15, 1935, became ill-fated traveling companions on a trek to Alaska when their tiny plane crashed. Reveals--for the first time--all the contributing factors to the crash. Photos.
Valencies
In the year 4004 AD, the entire universe of habitable worlds has been filled with human beings, thanks to an ancient teleport network and unlimited growth. Humans live on more than a hundred quadrillion terraformed planets, all woven into a bureaucratic and restrictive Empire. VALENCIES tracks a frustrated group of libertarian anarchists on the marginal planet Victoria. Kael, son of three gay doctors, and Theri, daughter of a man and woman bound by maniacal doctrinal tenets, are a young couple in a cosmos of complacent immortals. Ben and Anla the clone rage and passionately make up in a cycle of dominance and submission as old as history or myth. And slipping like a mad trickster between the four is Catsize, former commander, terrible poet crazed by two millennia of thwarted revolutions, hilarious prankster, an instigator of mischief and healer of souls. VALENCIES tells with pathos and humor a richly detailed portrait of the struggle against an Empire that's prepared to obliterate an entire world. Brian W. Aldiss said about this book: "One of the most playful SF novels of recent years."
A choice of futures
Exploration of the nature of human communication and the media is a pre requisite to any assessment of the likely future role of communications . . We cannot assume that the nature of these things is transparently obvious to everyone and therefore commonly understood. Three developments in recent decades should adequately warn against such an assumption. First, we had the fiasco of social scientists trying to apply Shannon's mathematical theory of information as if it were a theory of human communication. 'In Shannon's use of information we cannot speak of how much information a person has only how much a message has. ' (Ackoff and Emery, 1972, p. 145). They would not have wandered into that...
