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Acacias are of considerable social and industrial importance for tropical reforestation and it is expected that about 2 million hectares will be established in Southeast Asia by the year 2000. The acacia species currently of most interest for plantation forestry in the tropics are indigenous to northern Australia, Papua New Guinea and Irian Jaya. Recent reports from Malaysia, Indonesia, Thailand and northern Australia suggest that the future productivity of acacia plantations may be affected by fungal pathogens including leaf spots, shoot blights, stem cankers, heart rot, root rots and gall rusts. During 1995-96 a series of disease surveys was undertaken by forest pathologists in native stands, trials, and operational and social forestry plantings of tropical acacias in Australia, India, Indonesia, Malaysia and Thailand to assess the potential of fungal pathogens as limiting factors to tree growth and productivity and to assess the relative importance of individual fungal pathogens. Tree species included in the surveys were Acacia mangium and A. auriculiformis, on the basis of their current importance as plantation species. A. crassicarpa and A. aulacocarpa were also surveyed as, although they have been planted on a limited scale so far, they are included in provenance and species trials in many locations throughout the region. Scientists who had participated in the project met with research managers of five major Indonesian plantation pulp and paper companies and government business enterprises from 28 April – 3 May 1996 at the base camp of PT Musi Hutan Persada Subanjeriji in southern Sumatra, to present the results of their surveys. This publication is a status report on the diseases of acacias in the several countries based on information presented at the workshop. It provides a benchmark of the current knowledge of the pathology of the four most important Acacia species currently being grown in plantations in tropical areas of Southeast Asia, the Indian subcontinent and northern Australia.
In this comprehensive desk reference, a variety of bioactives and therapeutics from the legume family (Fabaceae or Leguminosae) are thoroughly detailed. For each species included in the volume, a brief introduction is given, the plant’s bioactive compounds are listed, and its chemical structures shown, followed by their pharmacological activities. Many of these plants have medicinal activities that include antiviral, antimicrobial, antioxidant, anticancer, anti-inflammatory, and antidiabetic, hepatoprotective, nephroprotective and cardioprotective. The biochemical characteristics of the 37 plants included, such as the type of starch, protein, and fibers, can be exploited as binders, excipients, thickeners, and dispersants in the formulation of various products in the pharmaceutical industry. The published literature on the pharmacological activities on each species is reviewed and presented in a concise and clear manner. This will be an important source book for pharmaceutical researchers, scientists, and others in development of new drugs.
Biological nitrogen fixation in tropical agrosystems: twenty years of biological nitrogen fixation research in Africa; Sustainable agriculture: definition and measurement; Biological nitrogen fixation systems in tropical ecosystems: an overview; A protocol for screening legumes as soil-improving crops; The sustenance of tropical agriculture with multipurpose azolla; Facteurs pedoclimatiques limitant la lixation biologique l'azole; Response of some tropical nitrogen-fixing woody legumes to drought and inoculation with mycorrhiza; Improvement to the Phaseolus/Rhizobium symbiosis, with particular reference to the Caribbean region; Effect of pest management systems on biological nitrogen fixation; Agronomic evaluation of a rock phosphate as a phosphorus source for Leucaena leucocephala grown on an utisol; Nodulation of soybean grown under field conditions and inoculated with Bradyrhizobium japonicum strains; Effect of fertilization and Rhizobium inoculation on the growth of Leucaena and Gliricidia on an alfisol in south-western Nigeria; Early growth and nodulation in Leucaena and Gliricidia and the effects or pruning on biomass productivity; Comparative stude on the growth and productivity of Sesbania and Leucaena in the Central Plateau region, Rwanda; Supernoculation and non-nodulation mutants of soybean; Genetically improved rhizobia and their use in agriculture; Sustainability of nitrogen-fixing cropping systems: Nodulation and nitrogen fixation and transfer in a cowpea/rice cropping system; The role of legumes in sustaiing soil productivity and controlling soil erosion; Fitting soil-improving legumes into inland valley rice-baes cropping systems in West Africa; Herbage yield and soil fertility restoration potential of some tropical forage legumes.
"Trees of Telangana: Exploring the Flora of Semi-Arid Region" is a captivating and comprehensive guidebook that delves into the rich world of trees found in the semi-arid region of Telangana, situated in the peninsular part of India. Authored by esteemed Naturalist and Geoecologist Dr. N Sai Bhaskar Reddy, this book serves as a valuable resource for those interested in understanding and promoting the remarkable tree species that thrive in Telangana's unique ecological conditions. With its stunning photography and detailed descriptions, "Trees of Telangana" showcases the diverse range of tree species that have adapted to the semi-arid climate, including those found in dry deciduous forests, scrublands, and rocky terrains. The book not only highlights the aesthetic beauty of these indigenous trees but also emphasizes their ecological significance. While celebrating the resilience and natural splendor of Telangana's trees, the book goes beyond aesthetics to explore their ecological importance. It sheds light on their role in soil conservation, water resource regulation, wildlife habitat provision, and support to local ecosystems. Additionally, the book explores the cultural significance of these trees and their contribution to sustainable livelihoods, incorporating traditional knowledge and practices associated with them. "Trees of Telangana" serves as an invaluable guide for those involved in plantation initiatives, particularly under Telanganaku Haritha Haram program, providing essential information on raising nurseries and promoting tree species suitable for the region. Whether you are a nature enthusiast, a botany student, or simply intrigued by the diverse flora of Telangana, this book will deepen your connection with nature and foster a greater appreciation for the region's botanical heritage. Embark on a captivating journey through the pages of "Trees of Telangana" and discover the hidden wonders of Telangana's tree kingdom. Let this book inspire you to cherish and protect the rich biodiversity that thrives in the semi-arid landscapes of this remarkable region.
The book traces the history of forestry since the middle of the 19th century in the erstwhile territorial units that constitute the present state of Karnataka, in India. It provides glimpses of the forest policy and management of the British Indian government which had laid the foundations of scientific forestry in the Indian subcontinent. A chronological account of the development of national forest policies, plans, and strategies in post-independent India has also been given in the context of their impact on forest management in the states. The book dwells comprehensively on multifarious aspects of forestry including the challenges faced by a forester in a situation of increasing demand and shrinking forest. It highlights the strengths and weaknesses of the forest administration and recommends strategies to protect the remaining natural forest and to increase the tree cover everywhere to effectively confront the specter of environmental catastrophes facing the planet earth. The book has brought out the inseparable and intrinsic relationship of mutual interdependence between forest and water – two of the most important natural resources on which the future of mankind depends, and calls for urgent action. With detailed data, analysis, and inferences derived with an open mind, the book forms a reference document for the present and future foresters. Problems of the forestry sector in the developing world are similar. Although the book focuses on the forestry scenario in Karnataka, lessons learned and strategies recommended for forest conservation are relevant across a larger landscape, with similar challenges and problems.
Golden Greens: The Amazing World of Plants is a definitive introduction to everything you want to know about plants the world over. It meticulously describes the forms, habits and different facets and peculiarities of plants. Informative, thought-provoking and painstakingly researched, the book includes a number of case studies of rare and endangered plants species and emphasizes upon the importance of their conservation. The trees and plants have long been part of our folklore, myths, epics, rituals, books, arts and daily life. While asserting their ecological importance the book systematically lays out the sociocultural roots of the various plants. Interspersed with a large number of illustrations, Golden Greens is a must-read not only for students of botany and environmental science, but all others who are curious to learn about the myriad ways in which plants impact our lives.
The book covers the latest development in the biosciences field covering key topics in crop improvement including ‘omic approaches to improving sustainable crop production, advancement in marker technology, strategies in genetic manipulation, crop quality and sustainability and plant microbe interaction detailing on proven technologies to address critical issue for agricultural sustainability which are beneficial for researchers and students. The book also includes aspects of preserving crops after harvest as this is a key factor in promoting sustainable crop quality in terms of addressing waste, choosing the appropriate packaging and moving crops through the food and industrial supply chain. An important strategy to overcome the challenges in providing food for the world population in a sustainable manner is through concerted efforts by crop scientists to embrace new technologies in increasing yield, quality and improving food safety while minimizing adverse environmental impact of the agricultural activities. Most of the proven molecular and genetic technologies in crop science have been tested and verified in model plants such as Arabidopsis and tomato. The technologies, when deployed on various plant species of importance for human nutrition and industrial applications, including cereals, vegetables, fruits, herbs, fibre and oil crops, face many challenges, not only due to their longer life cycle but many other physiological and environmental factors affecting yield and quality of plant products. Furthermore, major impacts on crop production due to catastrophic diseases and global climate change needs urgent and innovative solutions. Therefore a systematic approach, employing various leading-edge technologies that enable the functional elucidation of key pathway genes via ‘omics tools, genome wide association with desired phenotypes and development of cost effective and practicable molecular tools for selection, is vital. The International Conference on Crop Improvement was held to address these and other pressing issues. This volume summarizes the keynote presentations from the meeting and highlights addition discussions that are critical to crop improvement in a challenging time.