[PDF] Ecto And Arbuscular Mycorrhizal Fungi In Transplanted Oak Seedlings In A Southern California Oak Quercus Agrifolia Fagaceae Grassland Ecosystem eBook

Author : Ulrich Lüttge
Publisher : Springer Science & Business Media
Page : 403 pages
File Size : 38,57 MB
Release : 2013-10-01
Category : Science
ISBN : 3642387977

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With one volume each year, this series keeps scientists and advanced students informed of the latest developments and results in all areas of the plant sciences. The present volume includes reviews on genetics, cell biology, physiology, ecology, and vegetation science.

Author : John F. Walker
Publisher :
Page : 127 pages
File Size : 34,69 MB
Release : 2003
Category :
ISBN :

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Diversity of ectotrophic mycorrhizal (EM) fungi on out-planted seedlings of two oak species (Quercus rubra and Q. prinus) was estimated at two sites in mature mixed forests in the southern Appalachian mountains. Late stage fungi were well represented. Total richness was 73 types, with 42 types having a frequency of only one. Thelephoroid / tomentelloid, russuloid, and cortinarioid groups were the richest. Dominant fungi included a putative Tuber sp. and Craterellus sp., and Laccaria cf laccata. Diversity was lower at a high elevation chestnut oak dominated site compared to a lower mesic cove hardwood forest site. There was little evidence for fungal specificity to red oak versus white oak seedlings. We also compared EM fungus distributions on root systems of oak seedlings from samples taken in mid-July and early-September. The majority of EM types occurred only in the mid- or late-summer samples respectively. Dramatic shifts in mycobiont dominance were observed in relation to sample date, including increases in Cortinarius spp. richness, decreases in Thelephoraceae richness, and the disappearance of Amanita spp. types in the late- compared to mid-summer samples. A multi-stage model of seasonal EM dynamics is proposed, with implications for the niche expansion of associated phytobionts. In this model, generalistic mycobionts are most frequent and occur throughout the season. Other more specialized fungi show seasonal specificity. Relationships between species and communities of EM fungi and environmental parameters such as ericoid shrub abundance and edaphic characteristics were also examined. High diversity of EM fungi limited resolution of community level relationships given our sample sizes. Intraspecific variation in EM fungi with regard to microsite characteristics was also undetectable. No association between ericoid shrub dominance (Kalmia latifolia and Rhododendron maximum) and EM fungi was observed. We present a listing of EM fungus types with associated ranges of edaphic parameters and ericoid shrub abundance. The family Sebacinaceae is a basal hymenomycete lineage that includes members of the genera Tremellodendron and Sebacina. We present evidence suggesting the putative mycorrhizal status of two species of Tremellodendron. Tremellodendron appears to form both endophytic associations with achlorophyllous orchids and ectomycorrhizae with species of Quercus, Pinus and Tilia cordata.

Author : Mónica A. Lugo
Publisher : Springer Nature
Page : 461 pages
File Size : 23,81 MB
Release : 2022-10-27
Category : Science
ISBN : 3031129946

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In order to feed the world, global agriculture will have to double food production by 2050. As a result, the use of soils with fertilizers and pesticides in agronomic ecosystems will increase, taking into account the sustainability of these systems and also the provision of food security. Thus, soil ecosystems, their health, and their quality are directly involved in sustainable agronomical practices, and it is important to recognize the important role of soil microbial communities such as mycorrhizal fungi, their biodiversity, interactions, and functioning. Soil ecosystems are under the threat of biodiversity loss due to an increase of cultivated areas and agronomic exploitation intensity. Also, changes in land use alter the structure and function of ecosystems where biodiversity is vital in the ecosystem. Soils are a major aid in food production in all terrestrial ecosystems; however, this means they are also involved in gas emission and global warming. Thus, in agronomic ecosystems, several mitigation practices have been proposed to promote the increase of carbon soil stock, and the reduction of warming gas emission from soils. In South America, most of the rural population depends economically on agriculture and usually works in family units. New, organic, safe, and sustainable agro-forestry practices must be applied to support local communities and countries to achieve hunger eradication, rural poverty reduction, and sustainable development. This book compiles new information for mycorrhizal occurrence in natural and anthropic environments in South America. It includes new reports of mycorrhizal fungi diversity along different mycorrhizal types and their effect on plant communities, plant invasions, the use of mycorrhizal fungi for ecological and sustainable studies, management programs of natural and agroecosystems, and forestry and food-secure production. This book fills the gaps in biodiversity knowledge, management and safe food production of mycorrhizas. It should be a valuable help to researchers, professors and students, to aid in use of mycorrhizal fungi while also focusing on their biodiversity, sustainable safe food production, and conservation perspectives.

Author : Marcela C. Pagano
Publisher : Springer
Page : 149 pages
File Size : 42,43 MB
Release : 2016-04-26
Category : Science
ISBN : 3319243551

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Recent Advances on Mycorrhizal Fungi integrates work done by pre-eminent scientists, academics, and researchers dedicated to the study of mycorrhizas in laboratories around the world. The main aim of this book is to compile the information related to mycorrhizas advancement and their applications. First, an overview of the recent advances in mycorrhizal fungi is fully examined. Then, researchers from different countries address issues related to semiarid, xeric, and agro-ecosystems. A greater understanding of the ecology of this type of fungi will underpin efforts to provide new strategies for agriculture production systems and environmental solutions. Finally, relevant topics such as plant stress and ecological succession with regard to mycorrhizal symbioses are discussed. This book will be useful to those who work with mycorrhizas and important for academic and research teams, as well as to teachers, students, professionals and farmers. This information will be a key foundation to decision-makers worldwide and also for conservationists and ecologists.​

Author : Ramalingam Radhakrishnan
Publisher : BoD – Books on Demand
Page : 142 pages
File Size : 39,60 MB
Release : 2021-07-28
Category : Science
ISBN : 1838819401

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Microbes are essential components of the ecosystem. Mycorrhizal fungi in the rhizosphere support or inhibit plant growth naturally. Plant growth-promoting fungi help to improve crop yield and crop sustainability in adverse environmental conditions including soil salinity, drought, high and low temperatures, and infections from pathogens and pests. Mycorrhizal fungi secrete plant growth-promoting substances, enzymes, and other metabolites, all of which play a vital role in enhancing the productivity of economically important plants. These fungi also reduce the need to use chemicals in agriculture, which helps to minimize soil pollutants. This book provides updated information on the production and utilization of mycorrhizal fungi for sustainable agriculture and forestry.

Author : Damase Khasa
Publisher : NRC Research Press
Page : 213 pages
File Size : 22,56 MB
Release : 2009
Category : Science
ISBN : 0660198835

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Mycorrhizal symbioses are widespread and fundamental components of terrestrial ecosystems and have shaped plant evolution. Features such topics as plant/fungal communication, the interaction of mycorrhizal fungi with other soil microorganisms, and the use of mycorrhizal fungi in plant-production systems.