Petrillo, Claudia (2022) Application of plant growth promoting rhizobacteria for the improvement of agricultural productivity. [Tesi di dottorato]


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Item Type: Tesi di dottorato
Resource language: English
Title: Application of plant growth promoting rhizobacteria for the improvement of agricultural productivity
Date: 7 March 2022
Number of Pages: 140
Institution: Università degli Studi di Napoli Federico II
Department: Biologia
Dottorato: Biotecnologie
Ciclo di dottorato: 34
Coordinatore del Corso di dottorato:
Isticato, RacheleUNSPECIFIED
Date: 7 March 2022
Number of Pages: 140
Keywords: PGPR; Bacillus; spores; display; biocontrol.
Settori scientifico-disciplinari del MIUR: Area 05 - Scienze biologiche > BIO/19 - Microbiologia generale
Date Deposited: 16 Mar 2022 10:50
Last Modified: 28 Feb 2024 14:13

Collection description

The dramatically growing world population has led to a considerable increase in the global demand for agricultural products: it is estimated that to meet worldwide food demand, food production must be doubled by 2050. This demand, together with the evidence that approximately half of the soil used for agricultural purposes is moderately or severely affected by degradation phenomena, such as erosion, salification, drought, acidification, or compaction, has pushed farmers towards an intensive agricultural practice. For instance, the use of chemical fertilizers and pesticides is exponentially increased over the last decades. Unfortunately, the continuous abuse is negatively impacting the well-being of man and the environment. Therefore, the great challenge is to develop an agro-industrial system that is committed to encouraging sustainable and eco-friendly strategies. One of the best approaches is the use of the phytomicrobiome, the so-called Plant�Growth-Promoting Bacteria (PGPB), beneficial soil microorganisms able to promote the well-being of plants through direct and/or indirect mechanisms, including nitrogen fixation, the solubilization of phosphate, the production of phytohormones, the mineralization of soil organic matter, as well as the inhibition of phytopathogens. However, to fully benefit from the action of PGPB, it is necessary to deeply understand the mechanisms through which they act, and to enhance them. In this framework fits my PhD Thesis, which aims at isolating, identifying, and characterizing -through the combination of in vitro and in silico techniques- new promising spore-forming PGPB to be exploited in the agricultural field. Their application in the form of consortia or functionalized spores has been investigated.


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