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Microbial-mediated Induced Systemic Resistance in Plants (Hardcover, 1st ed. 2016)
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Microbial-mediated Induced Systemic Resistance in Plants (Hardcover, 1st ed. 2016)
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With a focus on food safety, this book highlights the importance of
microbes in sustainable agriculture. Plants, sessile organisms that
are considered as primary producers in the ecosystem and
communicate with above- and below-ground communities that consist
of microbes, insects, and other vertebrate and invertebrate
animals, are subjected to various kinds of stress. Broadly
speaking, these can be subdivided into abiotic and biotic stresses.
Plants have evolved to develop elaborate mechanisms for coping with
and adapting to the environmental stresses. Among other stresses,
habitat-imposed biotic stress is one serious condition causing
major problems for crop productivity. Most plants employ
plant-growth-promoting microorganisms (PGPMs) to combat and protect
themselves from stresses and also for better growth. PGPMs are
bacteria associated with plant roots and they augment plant
productivity and immunity. They are also defined as root-colonizing
bacteria that have beneficial effects on plant growth and
development. Remarkably, PGPMs including mycorrhizae, rhizobia, and
rhizobacteria (Acinetobacter, Agrobacterium, Arthrobacter,
Azospirillum, Bacillus, Bradyrhizobium, Frankia, Pseudomonas,
Rhizobium, Serratia, Thiobacillus) form associations with plant
roots and can promote plant growth by increasing plants' access to
soil minerals and protecting them against pathogens. To combat the
pathogens causing different diseases and other biotic stresses,
PGPMs produce a higher level of resistance in addition to plants'
indigenous immune systems in the form of induced systemic
resistance (ISR). The ISR elicited by PGPMs has suppressed plant
diseases caused by a range of pathogens in both the greenhouse and
field. As such, the role of these microbes can no longer be ignored
for sustainable agriculture. Today, PGPMs are also utilized in the
form of bio-fertilizers to increase plant productivity. However,
the use of PGPMs requires a precise understanding of the
interactions between plants and microbes, between microbes and
microbiota, and how biotic factors influence these relationships.
Consequently, continued research is needed to develop new
approaches to boost the efficiency of PGPMs and to understand the
ecological, genetic and biochemical relationships in their habitat.
The book focuses on recent research concerning interactions between
PGPMs and plants under biotic stress. It addresses key concerns
such as - 1. The response of benign microbes that benefit plants
under biotic stress 2. The physiological changes incurred in plants
under harsh conditions 3. The role of microbial determinants in
promoting plant growth under biotic stress The book focuses on a
range of aspects related to PGPMs such as their mode of action,
priming of plant defence and plant growth in disease challenged
crops, multifunctional bio-fertilizers, PGPM-mediated disease
suppression, and the effect of PGPMs on secondary metabolites etc.
The book will be a valuable asset to researchers and professionals
working in the area of microbial-mediated support of plants under
biotic stress.
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