beneficial microorganisms
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2022 ◽  
pp. 14-56
Author(s):  
Phu‐Ha Ho ◽  
Tuan‐Anh Pham ◽  
Quoc‐Phong Truong ◽  
Lan‐Huong Nguyen ◽  
Tien‐Thanh Nguyen ◽  
...  

Author(s):  
Kubilay Kurtulus Bastas

Global climate is estimated to change drastically over the next century and the ecosystems will be affected in this changing environment. Plant-associated beneficial microorganisms can stimulate plant growth and increase resistance to biotic and abiotic stresses. Nowadays, the effects of climate change factors such as increased carbon dioxide (CO2), drought and warming on plant-beneficial microorganism interactions are increasingly being investigated in the scope of plant growth and health. Recent studies have shown that high CO2 level has a positive effect on the abundance of mycorrhizal fungi, whereas the effects on plant growth promoting bacteria and endophytic fungi are more variable. Elevated CO2 conditions lead to increased colonization of beneficial fungi. Additionally, the results of increasing CO2 levels, warming and drought, depend upon the plant and the microbial genotype. Also, plant growth promoting microorganisms, especially bacteria, positively affect plants exposed to drought stress. Altered communities of beneficial microorganisms depending on climate changes, might have to compete with different microbial communities and, therefore microbial activities may also get affected. This work presents that climate change is an important factor affecting microorganism and plant interactions, needs to take into consideration the adaptation processes in plants and microorganisms and might require the selection of adapted plant cultivars.


2021 ◽  
Vol 9 (12) ◽  
pp. 2571
Author(s):  
Nikolay Vassilev ◽  
Eligio Malusà

Plant-beneficial microorganisms affect plant nutrition and health, as a key part of prebiotic-, probiotic-, and symbiotic-based interactions [...]


2021 ◽  
Vol 68 (1) ◽  
Author(s):  
Safwat M. Safwat ◽  
Minerva E. Matta

AbstractNowadays, beneficial microorganisms are getting wider applicability. One example is referred to as Effective Microorganisms (EM) having its composition kept a secret. EM is a product in liquid form, which consists of a variety of not only effective and beneficial microorganisms but also nonpathogenic ones, with admirable coexistence between aerobic and anaerobic types of microorganisms. The aim of this narrative review is to provide a summary of the different uses and applications of EM, their applications, their benefits, and the expected results when using them in different applications. This is the first review to focus on the uses of EM in environmental engineering systems and processes such as wastewater treatment processes. Originally, EM was manufactured to be utilized in organic farming, but at the moment, this substance is getting wider applications such as in medicine, environment, livestock sector, forestry, and agriculture. When it comes to the protection of the environment, EM helps in waste deodorization, eutrophication control, and wastewater. Investigation on EM use in water quality restoration, wastewater treatment, the treatment of sludge, and composting has been undertaken by researchers. This review provides an overview of the current situation of environmental application of EM in various fields including water quality, wastewater treatment, sludge treatment, and composting.


Author(s):  
Mustafa Sevindik ◽  
Imran Uysal

Food spoilage is an undesirable process and is a serious problem for humans. There are many factors that accelerate and affect food spoilage. In this study, microbial behaviors in foods, microorganisms causing food spoilage and beneficial microorganisms are mentioned.


2021 ◽  
Vol 49 (4) ◽  
pp. 12452
Author(s):  
Yonger TAMAYO-AGUILAR ◽  
Porfirio JUAREZ-LOPEZ ◽  
Jose A. CHAVEZ-GARCIA ◽  
Iran ALIA-TEJACAL ◽  
Dagoberto GUILLEN-SANCHEZ ◽  
...  

The integration of healthy management alternatives continues to be a challenge in the organic production of aromatic and medicinal plants, including of basil (Ocimum basilicum L.). The objective of this work was to evaluate the effects of three beneficial microorganisms (1) Trichoderma harzianum (TH), (2) Bacillus subtilis (BS), (3) Glomus cubense (GC) and their combinations on the growth of basil. A completely randomised design was used with a control and seven treatments with six repetitions. The control (1) was with no microorganism inoculation and the seven treatments were inoculations with the single or the combined microorganisms as follows: (2) TH, (3) BS, (4) GC, (5) TH+BS, (6) TH+GC, (7) BS+GC and (8) TH+BS+GC. Three harvests of fresh biomass were made and a number of growth variables were recorded: fresh and dry biomass, leaf area, number of commercial stems, stem length and thickness, Leaf length and width, relative chlorophyll concentration (SPAD readings) and the levels of N, P, K, Ca and Mg. Overall growth increased by 58% with TH+GC compared with the control and by 55% compared with the single inoculations (TH, BS and GC) and with the triple inoculation (TH+BS+GC). A growth increase of 51% was obtained with BS+GC compared with the control and of 38% compared with the other treatments. These results indicate co-inoculation of TH+GC or of BS+GC are useful alternative managements to increase greenhouse production of basil.


2021 ◽  
Vol 3 ◽  
Author(s):  
Anas Raklami ◽  
Noura Bechtaoui ◽  
Abdel-ilah Tahiri ◽  
Aiman Slimani ◽  
Adnane Bargaz ◽  
...  

Current challenges of climate changes and demographic expansion have imposed increasing awareness about innovation in sustainable agricultural practices. Farming practices like intercropping have many benefits in terms of nutrient use and yield stability. Improving the performance of intercropping systems by the application of beneficial microorganisms (rhizobacteria and/or mycorrhizae) constitutes a promising strategy. In this regard, this study aimed to assess the effect of inoculation with beneficial microorganisms on wheat as monocrop or intercrop with faba bean, using four inoculation treatments: (i) inoculation with rhizobacteria, (ii) inoculation with mycorrhizae, (iii) inoculation with the rhizobacteria-mycorrhizae consortium, and (iv) a control treatment consisting of uninoculated plants. Results showed that rhizobacteria-mycorrhizae co-inoculation under intercropping system improved plant dry weight and spike weight of wheat by 375 and 162%, respectively, compared with uninoculated intercropped wheat. The thousand-seed weight was improved by 86% in wheat intercropped and inoculated with the rhizobacteria-mycorrhizae consortium. Furthermore, higher P and N concentrations were observed in shoots and spikes of wheat intercropped with faba bean, and this increase was also observed in response to inoculation with the rhizobacteria-mycorrhizae consortium in terms of P in shoots and spikes (by 74 and 18%) of intercropped wheat. In addition, intercropped wheat has significantly accumulated sugar in the seeds for all inoculated treatments (except inoculation with mycorrhizae). Overall, these findings revealed that intercropping and inoculation yielded better, suggesting that intercropping combined with the application of beneficial microorganisms, such as rhizobacteria and mycorrhizae, have the potential to improve overall crop yield.


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