Bøger af Zeke Adams

Abiotic stress is defined as the negative impact of non-living factors on living organisms, such as plants, in a specific environment. It includes adverse effects of metal toxicity, high temperature, nutrient deficiency, drought, salinity and flooding. When plants are exposed to abiotic stresses for a long period, it results in metabolism alteration and damage to biomolecules. The plants usually develop certain defense mechanisms or responses in order to tolerate abiotic stresses by upregulation of osmolytes, osmoprotectants, and enzymatic and non-enzymatic antioxidants. Abiotic stresses greatly influence plant growth and crop production. The emergence of proteomics, deep sequencing technologies, epigenetics, and metabolomics have provided opportunities for understanding the biology of plants and developing stress tolerant varieties of crops. This book is a compilation of chapters that discuss the most vital concepts and emerging trends related to abiotic stress resistance in plants. It is appropriate for students seeking detailed information in this area of study as well as for experts.

Crops are exposed to frequent episodes of abiotic stresses such as soil salinity, draughts, extreme temperatures and nutrient deficiencies. All these stresses inhibit plant growth and development. A number of researches are being undertaken to find mitigation strategies for abiotic stresses and increase yield productivity under unfavorable conditions. Genetic engineering is a major tool that is being used to develop crop plants, which are resistant to these stresses. Plants respond to different types of stresses through complex and diverse responses on cellular, molecular and physiological levels. Some of the methods which have been developed to increase crop resistance to abiotic stresses include genetically engineered organisms (GMO's) and new breeding technologies such as clustered regularly interspaced short palindromic repeats (CRISPR/Cas) edition strategy. The application of biostimulants is also an effective method to improve abiotic stress tolerance in plant species. This book provides a comprehensive understanding of plant responses to abiotic stresses. A number of latest researches have been included to keep the readers updated with the latest concepts in this area of study. Students, researchers, experts and all associated with agriculture and plant science will benefit alike from this book.