Mckersie bryan d (9 risultati)

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: New. Print on Demand.

Hardcover. Condizione: Good. 1st Edition. Good+. Hardcover, x + 256 pages, b&w figures in text, NOT ex-library. Clean, untanned interior with unmarked text, free of stamps, firmly bound. Owner's name inside the front board; price in pencil on the front endpaper. Shelfworn boards. Issued without a dust jacket. -- This is an analysis of the physiological, cellular, and biochemical dimensions of stress in cultivated plants. The authors examine a wide spectrum of stress factors that affect agricultural productivity, from both natural environmental extremes and anthropogenic sources. The work is structured around core physiological stress types, each investigated in terms of its underlying mechanisms, plant responses, and coping strategies. The opening chapter introduces the conceptual foundation for understanding biological stress in plants, distinguishing between syntoxic (adaptive) and catatoxic (damaging) stress agents, and challenging simplistic interpretations of stress as inherently harmful. The authors adopt a nuanced view that emphasizes the complexity and conditional nature of plant responses, informed by both historical and contemporary insights into stress physiology. The book then moves into specific stress categories. A central chapter on oxidative stress addresses the generation of reactive oxygen species, their biochemical behavior, and their subcellular origins, including mitochondria, chloroplasts, and peroxisomes. Defensive mechanisms involving enzymatic and non-enzymatic antioxidants are discussed in depth, alongside implications for herbicide tolerance. Subsequent chapters examine abiotic stressors with direct agricultural relevance. The authors treat salinity and chilling stress as dynamic phenomena shaped by both external factors and species-specific tolerances. Detailed sections explore localized and transient salinity, membrane injury due to low temperatures, and the interplay between oxidative stress and chilling effects. Freezing stress is analyzed with particular attention to acclimation processes and membrane damage, while desiccation is approached through studies of dry tissue physiology, stabilizing sugars, and protective proteins like LEAs. The analysis of drought stress emphasizes the multifactorial impact of water deficits on photosynthesis, growth, and cell structure, outlining protective adaptations including osmotic adjustment and hormonal signaling. A related chapter on heat stress examines the dual role of high temperatures, which can be both deleterious and beneficial depending on intensity and duration, and reviews molecular chaperones and other coping mechanisms. A distinctive contribution is the exploration of anaerobic stress, including both flooding and ice encasement. These conditions, particularly relevant for perennial forage crops, are assessed in terms of metabolic disruption and physiological adaptation. The book also gives attention to pollution stress, offering case-based discussions of ozone, acid rain, hydrocarbons, and other pollutants. It highlights the dual role of plants as both stress sufferers and environmental mitigators, particularly in urban depollution contexts. The authors focus on synthesizing current knowledge and identifying biologically plausible strategies for enhancing stress tolerance. Throughout, they emphasize the interconnectedness of stress responses, pointing to shared signaling pathways and oxidative processes across different stress types. The book serves as a valuable resource for plant physiologists, agronomists, and researchers in crop science. It not only charts the complex landscape of plant stress but also contributes to efforts aimed at improving crop resilience.…

Condizione: New. pp. 444.

Condizione: New. pp. 444.

Paperback / softback. Condizione: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.