Read e-book online Agro-Environmental Sustainability: Volume 1: Managing Crop PDF

By Jay Shankar Singh, Gamini Seneviratne

ISBN-10: 3319497235

ISBN-13: 9783319497235

ISBN-10: 3319497243

ISBN-13: 9783319497242

This two-volume paintings is a testomony to the expanding curiosity within the position of microbes in sustainable agriculture and nutrition defense. Advances in microbial applied sciences are explored in chapters facing subject matters corresponding to carbon sequestration, soil fertility administration, sustainable crop construction, and microbial signaling networks. quantity I is a suite of study findings that invitations readers to check the applying of microbes in reinstating degraded ecosystems and in addition in setting up sustainable croplands. hugely readable entries try to shut the data hole among soil microbial institutions and sustainable agriculture.
An bring up within the international inhabitants with altering weather is resulting in environments of varied abiotic and biotic stresses for agricultural vegetation. It for this reason turns into very important to spot the suggestions to enhance soil fertility and serve as utilizing various microbial teams comparable to actinobacteria, microalgae, fluorescent pseudomonads and cyanobacterial platforms. those are tested during this quantity in larger element. This paintings is an important contribution to analyze during this more and more vital self-discipline, and should attract researchers in microbiology, agriculture, environmental sciences, and soil and crop sciences.

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2008) ethylene is generally induced by wounding in plants and consequently it inhibits root growth development (Salisbury 1994). However, synthesis of ethylene induces ripening of fruits, senescence, development of adventitious root and root hair and breaks dormancy of seeds. Different strains of fluorescent Pseudomonas produce ACC deaminase, an enzyme that cleaves ACC, an immediate precursor of ethylene, resulting in the inhibition of ethylene production. 1. 3 Siderophores Siderophores are water soluble, low molecular weight, organic compounds synthesized by many microorganisms under iron-deficient condition.

HCN inhibits the cytochrome oxidase and metalloenzymes (Voisard et al. 1989) of pathogenic organisms and is highly toxic to all aerobic microorganisms at very low concentration. This helps fluoroscent pseudomonads protect plants from soilborne diseases (Blumer and Haas 2000). P. fluorescens CHA0 produces HCN and suppresses the black root rot of tobacco caused by the fungus Thielaviopsis basicola and take-all disease of wheat caused by G. graminis var. tritici (Defago et al. 1990). HCN synthase is an important enzyme responsible for HCN production, and is encoded by three different genes hcn A, hcn B, and hcn C (Ramette et al.

1997); Burkhead et al. (1994) Wright et al. 5 Enzymes Fluorescent Pseudomonas secretes several enzymes such as chitinases, proteases, pectinases, cellulases, xylanase, β-1, 3-glucanases, and some others, which can inhibit the growth and activities of pathogens. P. fluorescens CHA0 produces extracellular proteases and acts as an important biocontrol agent against the root-­knot nematode disease caused by Meloidogyne incognita (Siddiqui and Shaukat 2005). P. fluorescens Pf-5 produces extracellular hydrolases and provides benefits to plant nutrition (Paulsen et al.

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Agro-Environmental Sustainability: Volume 1: Managing Crop Health by Jay Shankar Singh, Gamini Seneviratne


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