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Author: Vinod Devarkar
Publisher: Pollen Diversity - Osmanabad
ISBN: 384734255X
Category : Science
Languages : en
Pages : 102
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Book Description
Osmanabad is the southernmost district Maharashtra State situated between 17° 35' and 18° 40' north latitude and 75° 16' and 76° 40' east longitude. Palynology is one of the most widely used research tools in Quaternary studies (Edwards 1983). As Osmanabad district having very less forest cover, researchers have shown little interest in botanical studies in this region. Very few workers like Naik (1979, 1998) worked on floristic studies, but nobody worked on pollen morphological studies for this region. In the last century, Brown (1958), Frisch (1953) and Hooker (1897) have contributed to our knowledge of pollen and spore morphology. In the present century, rapid progress has been made in the study and several thousands of pollen and spores have been described and illustrated (Davis 1963). Study of pollen diversity has received an enormous attention since last few decades due to its allergenic properties. Identification of allergenic pollen grains is necessary from the plants those are utilized as ethnomedicinal, ethnovegetables, etc. This was the sincere attempt to note diversity of pollens in relation to taxonomy, allergenic properties and its economical importance in the region.
Author: Vinod Devarkar
Publisher: Pollen Diversity - Osmanabad
ISBN: 384734255X
Category : Science
Languages : en
Pages : 102
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Book Description
Osmanabad is the southernmost district Maharashtra State situated between 17° 35' and 18° 40' north latitude and 75° 16' and 76° 40' east longitude. Palynology is one of the most widely used research tools in Quaternary studies (Edwards 1983). As Osmanabad district having very less forest cover, researchers have shown little interest in botanical studies in this region. Very few workers like Naik (1979, 1998) worked on floristic studies, but nobody worked on pollen morphological studies for this region. In the last century, Brown (1958), Frisch (1953) and Hooker (1897) have contributed to our knowledge of pollen and spore morphology. In the present century, rapid progress has been made in the study and several thousands of pollen and spores have been described and illustrated (Davis 1963). Study of pollen diversity has received an enormous attention since last few decades due to its allergenic properties. Identification of allergenic pollen grains is necessary from the plants those are utilized as ethnomedicinal, ethnovegetables, etc. This was the sincere attempt to note diversity of pollens in relation to taxonomy, allergenic properties and its economical importance in the region.
Author:
Publisher:
ISBN:
Category : Biodiversity conservation
Languages : en
Pages : 602
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251044872
Category : Business & Economics
Languages : en
Pages : 256
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Book Description
This publication presents the proceedings a meeting organized and implemented by the Asia & Pacific Seed Association and the Department of Agricultural Extension of the Ministry of Agriculture in Bangkok, Thailand in close collaboration with the Seed and Plant Genetic Resources Service of the FAO. In line with the Rome Declaration on World Food Security and the World Food Summit Plan of Action, the Meeting recognized that one of the major challenges facing most countries in Asia and the Pacific is the need to invest significant resources into strengthening their capacity to increase the availability of good quality seeds of a wider range of plant varieties. This will contribute to the maximization of both agrobiodiversity and productivity, in order to achieve national food security while reducing environmental degradation and the depletion of natural resources. The Meeting proposed and agreed to establish a regional seed network to facilitate the exchange of information and expertise among countries and to coordinate policies and programmes designed to strengthen and improve local seed production and distribution systems in Asia and the Pacific. The Seed Network for Asia and the Pacific (SNAP) will facilitate inter-country scientific and technical collaboration on seed production and supply, and promote crop genetic resources evaluation, conservation and utilization in the region.
Author: Sir Joseph Burtt Hutchinson
Publisher: Cambridge University Press
ISBN: 0521203392
Category : Technology & Engineering
Languages : en
Pages : 186
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Book Description
An account of the evolution and principles involved in breeding crops grown in the tropics. This book developed from a symposium held in New Delhi in 1970 at the Indian Agricultural Research Institute. It begins with a consideration of the history of agriculture. Recent techniques make is possible to set crop plant evolution against the time scale of agricultural development, enabling the rate of evolution to be determined with some precision. Throughout the account the studies stress the range of material and changes and improvements in crops, with special reference to their importance not only in the tropics, but also to world agriculture. This book brings to the notice of geneticists and breeders in western countries the work undertaken in India in elucidating the evolution and recent improvement of crop plants of world wide importance. It is also an authoritative account for students of plant breeding in the tropics taking courses in universities, in institutes and colleges of agriculture who need to have within the covers of one book a comprehensive, yet concise text that clearly sets out the principles involved in the breeding of crops grown in the tropics.
Author:
Publisher:
ISBN:
Category : Plants, Fossil
Languages : en
Pages : 46
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1138
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Book Description
Author: Amots Dafni
Publisher: Springer Science & Business Media
ISBN: 3709163064
Category : Science
Languages : en
Pages : 339
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Book Description
Pollen studies make important contributions nature, into three main themes: pollen struc to our knowledge in many interdisciplinary ture and constituents, pollen evolutionary arenas. Pollen identification is widely used in ecology and the pollen-pollinator interface. reconstruction of, e.g., vegetation, the climate Several papers overlap somewhat or are of the past, and plant biodiversity. Studies perhaps even somewhat contradictory and concerning pollen structure, size and form are reflect the author's own ideas and experience. key issues in basic sciences, as, e.g., plant Some could be understood more deeply by taxonomy and evolution, but are also of consulting other closely related articles. The importance in applied fields as, e.g., plant reader is strongly referred to the respective breeding. In pollination studies pollen is literature list of each article. generally used specifically to identify food ofanther ripening and pollen The last steps development (Pacini) and the mature pollen sources of visitors and to reconstruct their foraging routes. Fewer have been devoted to wall structure (Hesse) are key factors to pollen collection mechanisms and to the struc understand pollen dispersal mechanisms in ture and content of pollen in relation to its biotic pollination (Stroo) as well as abiotic pollination (Ackerman). Pollen size, shape, function.
Author: B. P. Singh
Publisher:
ISBN:
Category : Agricultural productivity
Languages : en
Pages : 758
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Book Description
Author: Bikash Mandal
Publisher: Springer
ISBN: 9811056722
Category : Science
Languages : en
Pages : 800
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Book Description
The book is a compilation of research work carried out on plant viruses during past 100 years in India. Plant viruses are important constraints in Indian agriculture. Tropical and sub-tropical environments and intensive crop cultivation practices ideally favours perpetuation of numerous plant viruses and their vectors in India, which often cause wide spread crop losses. Of all the plant pathogens, studies of plant viruses have received a special attention as they are difficult to manage. A large body of literature has been published on the plant virus research from India during past 100 years; however the information is so far not available in one place. This book provides comprehensive information on the biology, molecular biology, epidemics, crop losses, diagnosis and management of viruses and viroids occurring in India. Description of properties of the viruses are provided in the chapters comprising of different genera such as Allexivirus, Begomovirus, Babuvirus, Badnavirus, Carlavirus, Carmovirus, Cucumovirus, Closterovirus, Ilavirus, Mandrivirus, Potyvirus, Tospovirus, Tungrovirus and Sobemovirus. Virus-vector research related to aphid, thrips and whitefly is discussed. The work on the management aspects of plant viral diseases has been described with reference to the conventional, antiviral and transgenic approaches. Further, the quarantine mechanism developed in India for the exclusion of viruses and vectors has also been included. The book also provides useful information about the capacity building on the research and education on Plant Virology in India. Overall, the book covers a wide range of accounts of research findings and innovations in Plant Virology in India during past 100 years. The book will be a resourceful reference to the students, scientists, agricultural professionals and policy makers.
Author: Armen Leonovich Takhtadzhi͡an
Publisher: Columbia University Press
ISBN: 9780231100984
Category : Computers
Languages : en
Pages : 662
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Book Description
The culmination of more than fifty years of research by the foremost living expert on plant classification, Diversity and Classification of Flowering Plants is an important contribution to the field of plant taxonomy. In the last decade, the system of classifying plants has been thoroughly revised. Instead of describing every individual family, Takhtajan includes descriptions in keys to families, which he calls "descriptive keys." The advantage of descriptive keys is that they give both the characteristic features of the families and their differences. The delimitation of families and orders drastically differs from the one accepted by the Englerian school and from the one accepted in Arthur Cronquist's system. Takhtajan favors the smaller, more natural families and orders, which are more coherent and better-defined, where characters are easily grasped, and which are more suitable for information retrieval and phylogenetic studies, including cladistic analysis (because it reduces polymorphic codings).
