Download or read book Cryopreservation of Musa Germplasm written by Bart Panis and published by Bioversity International. This book was released on 2001 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until 10 years ago, cryopreservation protocols for plant tissues were mainly based on slow freezing in the presence of cryoprotective mixtures containing DMSO (dimthyl slphoxide), sugars, glycerol and/ or proline. Slow freezing results in a freeze-dehydration, leaving less water in the cells to form lethal ice crystals upon exposure to extreme low temperatures.
Download or read book Cryopreservation of Plant Germplasm II written by L.E. Towill and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ex situ preservation of germplasm for higher plant species has been accom plished using either seeds or clones, but storage of these under typical condi tions does not provide the extreme longevities that are needed to minimize risk of loss. Costs of maintenance and regeneration of stocks are also high. Systems that provide virtually indefinite storage should supplement existing methods and it is within this context that cryopreservation is presented. The use of low temperature preservation was initially more a concern of medicine and animal breeding, and was expanded to plants in the 1970s. Sur vival after cryogenic exposure has now been demonstrated for diverse plant groups including algae, bryophytes, fungi and higher plants. If survival is com monplace, then the eventual application is a cryopreservation system, whereby cells, tissues and organs are held indefinitely for use, often in the unforeseen future. The increasing interest and capabilities for application could not have occurred at a more opportune time since expanding human populations have placed unprecedented pressures on plant diversity. This book emphasizes cry opreservation of higher plants and was initially driven by the concern for loss of diversity in crops and the recognized need that this diversity would be essential for continued improvement of the many plants used by society for food, health and shelter. The interest in cryopreservation has been expanded by conservationists and their concerns for retaining, as much as possible, the diversity of natural populations. The need for cryopreservation, thus, is well established.
Download or read book Cryopreservation of Plant Germplasm I written by Y. P. S. Bajaj and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: The germ plasm of numerous plant species, especially those of forest trees, some agricultural crops, and medicinal plants, is endangered and threatened with extinction. This depletion of germplasm pools and the shrinkage of naturally occurring genetic resources have caused international concern. Conventionally, the germplasm of plants is conserved through seeds, tubers, roots, corms, rhizomes, bulbs, cuttings, etc. However, the germ plasm of a number of trees and plantation crops (such as coconut, cocao, coffee, oil palm, rubber, mango, horse chestnut, etc. ) cannot be preserved since their seed are short-lived (recalcitrant). Likewise, germplasm of vegetatively propagated crops (such as potato and cassava) cannot be stored on a long term basis and has to be grown and multiplied periodically in nurseries and fields. The plants are thus exposed to unpredictable weather conditions and diseases, with the result that instances are known where entire genetic stocks are lost. Therefore, unconventional methods are being developed for the storage and international exchange of germplasm. For this purpose in vitro cultures have been employed, but they can only enable short-to medium term preservation; moreover, cell cultures upon repeated subculture undergo genetic erosion. In view of the recent developments in the in vitro induction of genetic variability through somaclonal variation, somatic hybridization, recombinant DNA technology, etc. , new methods need to be employed for the storage of desirable cultures. In this regard freeze preservation of cells in liquid nitrogen (-196 0q, like that of semen, enables long-term storage, theoretically, for an indefinite period of time.
Download or read book Plant Cryopreservation A Practical Guide written by Barbara B.M. Reed and published by Springer Science & Business Media. This book was released on 2007-10-31 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cryopreservation has proven to be an important tool for the storage and conservation of plant genetic resources. This book is a unique resource for plant scientists, providing more than 100 ready-to-use cryopreservation protocols for plant types from algae and bryophytes to a range of flowering plants. It includes techniques for diverse plant parts such as dormant buds, pollen, and apical meristems and for cell types such as suspension and callus cultures.
Download or read book Conservation and Utilization of Horticultural Genetic Resources written by P.E. Rajasekharan and published by Springer. This book was released on 2019-06-25 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conservation of crop genetic resources is one of the important elements in efforts to sustainably increase agricultural production in low-income countries, and to guarantee long-term food security, especially for the low-income population groups in these countries. Horticultural crops, as high-value crops, have an important role to play in revitalizing rural economies and can add significantly to national economies. Moreover, horticulture provides more than twice the number of jobs compared to traditional cereal crop production, and the shifting of conventional agriculture towards high-value horticulture has increased employment opportunities in developing countries. To exploit this potential, researchers need a vast array of horticultural genetic resources and information on new traits. Horticultural crops, which are only a part of PGRFA (Plant Genetic Resources for Food and Agriculture), are characterized by a wide and varied range of species. In fact, there are five major horticultural crop groups: fruit and nut crops, vegetables, food legumes, roots and tubers, and lastly the ornamental and medicinal group. In this context, the present book provides a comprehensive overview of the current state of conservation and utilization of horticultural genetic resources, addressing contemporary approaches to conservation in connection with different technologies, including biotechnological approaches as practised in India and in some cases, globally. It includes a brief chapter on the unique nature of horticultural genetic resources, providing a rationale for viewing them as being distinct from field crop genetic resources. Subsequent chapters share insights on protocols for the conservation of selected horticultural crops ex situ, and focus on the increased need to complement these efforts with in situ conservation approaches. Geospatial tools are also briefly described, emphasizing their utility with regard to mapping and managing resources. The book also explores the wild gene pool in horticulture crops; discusses legal aspects related to horticultural genetic resources and biotechnological aspects; and describes the key aspects of sustainable management and replenishment. Given its scope, the book offers a valuable resource for all horticulturists, graduate students, researchers, policymakers, conservationists, and NGOs engaged in horticulture in particular and biodiversity in general.
Download or read book Cryopreservation of Tropical Plant Germplasm written by Florent Engelmann and published by . This book was released on 2000 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development of cryopreservation techniques. Importance of cryopreservation for the conservation of plant genetic resources. Fundamental aspects of cryopreservation. Cryopreservation techniques. Ongoing cryopreservation projects -- Research and its application. Current status of cryopreservation research and future perspectives of its application in national programmes.
Download or read book Musa Spp written by Marlene Diekmann and published by Bioversity International. This book was released on 1996 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: The guidelines are divided into two parts. The first part makes general recommendations on how best to move Musa germplasm. The second part covers the important pests and diseases of quarantine concern. The information given on a particular pest or disease is not exhaustive but concentrates on those aspects that are most relevant to quarantine.
Download or read book Banana Improvement written by S. Mohan Jain and published by . This book was released on 2004 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the research and development of tools, devised under a Coordinated Research Project of the Plant Breeding and Genetics Section of the Joint Division FAO/IAEA, to address the problems facing banana and plantain cultivation.
Download or read book Breeding Tropical and Subtropical Fruits written by P. K. Ray and published by Springer Science & Business Media. This book was released on 2002-06 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant breeding has undergone a period of very rapid and significant development in recent years and the area of fruit breeding is no exception. This book provides a balanced, up-to-date and comprehensive account of the developments in the field of breeding tropical and subtropical fruits. It offers not only the theoretical and applied aspects of breedings fruits but also provides an authoritative manual of the conventional and new techniques used for increasing efficiency of crop improvement programmes. In specific chapters the book deals with crop taxonomy, genetic resources, floral biology, breeding objectives, inheritance patterns and information on new improved cultivars/hybrids.
Download or read book Advances in Preservation and Processing Technologies of Fruits and Vegetables written by S. Rajarathnam and published by New India Publishing. This book was released on 2011-01-15 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book consists of 19 chapters on different subjects and in different dimensions, with particular emphasis on the post-harvest handling and processing of fruits and vegetables, including mushrooms. Scope for the technology on fruits and vegetables, non-destructive methods to evaluate fresh quality, radiation preservation, chemistry of pectin and pigments and their applications, nutraceutical compounds, membrane processing of liquid fruits, dehydrated and intermediate moisture products, importance of bamboo and mushrooms as food, influence of process conditions on product quality, food additives in product preparation, packaging aspects, microbiological safety concerns, relevant analytical methods, mushroom nutraceuticals and bio-technological interventions for improvement of banana with a final note on conclusions in the last
Download or read book Bananas and Plantains written by John Charles Robinson and published by CABI. This book was released on 2010 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bananas and plantains are major fruit crops in the tropics and subtropics, making a vital contribution to the economies of many countries. In the last 15 years, substantial changes have occurred in banana production, among them the increased importance of fungal and viral diseases and their serious impact on Cavendish export cultivars, smallholder plantains and cooking bananas. Changes in production systems such as protected greenhouse cultivation, organic, fair-trade and integrated cultivation and their respective certification schemes have also become prominent. This book provides an accessi.
Download or read book Bananas and Plantains written by S. Gowen and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a field of mature bananas, plants can be seen at all stages of vegetative growth and fruit maturity, providing a fascination for anyone who has an interest in growing crops. Banana farmers in the tropics can harvest fruit every day of the year. The absence of seasonality in production is an advantage, in that it provides a continuity of carbohydrate to meet dietary needs as well as a regular source of income, a feature that perhaps has been under-estimated by rural planners and agricultural strategists. The burgeoning interest in bananas in the last 20 years results from the belated realization that Musa is an under-exploited genus, notwithstanding the fact that one genetically narrow group, the Cavendish cultivars, supply a major export commodity second only to citrus in terms of the world fruit trade. International research interest in the diversity of fruit types has been slow to develop, presumably because bananas and plantains have hitherto been regarded as a reliable backyard source of dessert fruit or starch supplying the needs of the household, and in this situation relatively untroubled by pests, diseases or agronomic problems.
Download or read book Banana Breeding written by Michael Pillay and published by CRC Press. This book was released on 2011-01-21 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the current world population growth of 1.2%, the earth can expect to house 9-10 billion people by 2050. Food production, too, must increase to accommodate these numbers. Easy growing, high calorie, nutritious foods, such as bananas are the top priority as a solution to this imminent problem. The first comprehensive compendium on bananas in rec
Download or read book Banana Genomics and Transgenic Approaches for Genetic Improvement written by Sukhada Mohandas and published by Springer. This book was released on 2016-09-08 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bananas and plantains are among the most important food and cash crops in the world. They are cultivated in more than 135 countries, across the tropics and subtropics, with an annual global production of ca. 130 million metric tonnes. Though bananas are one of the most important components of food security in many developing countries, banana production is threatened by both abiotic and biotic stresses. These include a wide range of diseases and pests, such as bunchy top virus, burrowing nematodes, black Sigatoka or black leaf streak, Fusarium wilt, etc. In recent years, considerable progress has been made and several biotechnological and genomic tools have been employed to help understand and unravel the mysterious banana genome. Molecular and genomic studies have helped to decipher the Musa genome and its evolution. Genetic linkage map and whole genome sequencing of both Musa acuminata and Musa balbisiana (progenitors of cultivated banana) have completely changed the way of thinking and the approach on banana crop improvement. Whole-genome sequencing has helped to improve the selection of quantitative traits such as yield, as well as the selection of optimal parents for developing required hybrids in breeding programs. Gene isolation and the analysis of mutants have helped in the characterization of genes of agronomic value and the associated regulatory sequences. With the advent of molecular markers and new statistical tools, it is now possible to measure the diversity, identify genes and useful alleles linked to important agronomic traits. Further these alleles can be incorporated into cultivars through marker assisted selection or through transgenic approach. Transgenic approaches are potential tools for direct transfer of these genes into popular cultivars, which are generally not amenable for conventional breeding techniques, in specific with crops such as bananas which are sterile, triploid and heterozygous thereby making it difficult to reconstruct the recurrent genotypes in banana. Transgenic techniques thus have helped overcome the difficulty of working with sterile, triploid banana crop. In the last five years, enormous amount of new information and techniques have been generated for banana. A comprehensive book entitled “Banana: Genomics and Transgenic Approaches for Genetic improvement” on banana genomics, latest transgenic technologies and tools available for improved crop development in banana will address all these requirements.
Download or read book Plant Biodiversity and Genetic Resources written by Andreas W. Ebert and published by MDPI. This book was released on 2021-06-18 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers included in this Special Issue address a variety of important aspects of plant biodiversity and genetic resources, including definitions, descriptions, and illustrations of different components and their value for food and nutrition security, breeding, and environmental services. Furthermore, comprehensive information is provided regarding conservation approaches and techniques for plant genetic resources, policy aspects, and results of biological, genetic, morphological, economic, social, and breeding-related research activities. The complexity and vulnerability of (plant) biodiversity and its inherent genetic resources, as an integral part of the contextual ecosystem and the human web of life, are clearly demonstrated in this Special Issue, and for several encountered problems and constraints, possible approaches or solutions are presented to overcome these.
Download or read book Micropropagation of Woody Trees and Fruits written by S.M. Jain and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 834 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive information on micropropagation of economically important forest and fruit trees, which is usually available in scattered literature. Topics cover a wide range, from tropical forest and fruit trees for paper or food supply, to Prunus species for local craft bark production.
Download or read book Establishment and management of field genebank A Training Manual IPGRI APO Serdang written by and published by Bioversity International. This book was released on 2001-12 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Manual, based on a regional training course, attempts to clarify most of the concepts and scientific principles for establishing and managing field genebanks. It deals with teh following subjects: the role of field genebank in a complementary conservation strategy, the current status of seed and in vitro and cryopreservation, legal aspects, choice of material and practical aspects of laying out the field plots and planting
