Bøger af R P Singh

In this book, attempts have been made to deliver the core of the subject in a concise, easily assimilated form designed to compete the JRF, SRF, NET and ARS. It may be useful to seek admission in Ph. D. in Plant Pathology through entrance examinations of various institutions and get through screening tests conducted by Public Service Commission of various states for jobs in Plant pathology/Plant Protection. This book covers all the chapters of plant pathology including historical background, molecular plant pathology, breeding for resistance to disease, physiology of diseased plants, root diseases, seed-borne diseases, postharvest diseases of fruits and vegetables, diseases caused by fungi, bacteria, viruses, viroid, virusoid, phytoplasmas, spiroplasmas, protozoa and abiotic stresses etc. It contains objective questions with answers to be asked in various competitive exams. This book is designed to satisfy the needs of students preparing for competitive exams and to understand the fundamental aspects clearly and easily.

Nitrogen is the most important mineral nutrient of plants, constituting about 1 to 5% of the matter. The nitrogen management, either by the conventional or by non-conventional approaches will be an important aspect of increasing plant and related products. The present volume examines in its 20 chapters contributed by eminent group of scientists from India, New Zealand, Canada, Brazil, Taiwan, The Netherlands, U.S.A. and Japan the most recent advances of various forms of usable nitrogen compounds in the environment of the plant, their mode of entry inside the plant, assimilation into metabolically important compounds, transport in various parts of the plants and some regulatory aspects of N assimilation, The authors have critically reviewed new advances and directions emerged over recent studies in the area of their expertise. This International edition covers the most field in Agriculture, Horticulture, Forestry, Botany, Plant Physiology, Agronomy and other related aspects of Plant Sciences.

This research work is based on the studies on the binding of soluble ovalbumin, transfusion gelatin, ¿-amylase proteins with vanadium and molybdenum etc. applying various physico-chemical methods such as pH-metery, dialysis equilibrium, spectrophotometry, polarography etc. The work also includes the binding of metal hydrous oxide sols to these proteins. The effect of anionic surfactants like triethanolamine lauryl sulphate, sodium dodecyl benzene sulphonate was also studied on ovalbumin casein and ¿-amylase by viscometric and other related methods. The binding results are helpful in proposing a mechanism of ligand interaction with biopolymers in livings mediated by metal ions. The additions of proteins may decrease the critical micelle concentrations of the surfactants. This aspect possesses a good means of increasing the detergency of the surfactants.