biological control of root pathogenic fungi by trichoderma

... NATIONAL UNIVERSITY OF AGRICULTURE FACULTY OF BIOTECHNOLOGY  GRADUATION THESIS TITLE: ISOLATION, IDENTIFICATION AND STUDY OF BIOLOGICAL CHARACTERISTICS OF THE PATHOGENIC FUNGI CURVULARIA ... NATIONAL UNIVERSITY OF AGRICULTURE FACULTY OF BIOTECHNOLOGY  GRADUATION THESIS TITLE: ISOLATION, IDENTIFICATION AND STUDY OF BIOLOGICAL CHARACTERISTICS OF THE PATHOGENIC FUNGI CURVULARIA ... collection, isolation and subculturing the pathogenic pathogenic fungi strain 23 4.2 Pathogenicity test 25 4.3 Classification of pathogenic fungi strain HN 5.2 26 4.3.1 Amplification,

Ngày tải lên: 05/07/2023, 21:02

... potential biological control agents to decrease the use of chemical pesticides in agriculture General antiphytopathogenic mechanisms of plant growth promoting rhizobateria Biological control of soil ... in a number of host pathogen systems Biological Control Biological control is an eco-friendly and potentially emerged alternative to chemical control Soil-borne diseases have been controlled more ... diseases of plants by the use of potential antagonistic microorganisms has been the focus of intense research throughout world This approach is popularly known as biological control of phytopathogens

Ngày tải lên: 17/03/2020, 19:53

... percentage of inhibition of radial growth ( antagonistic effect) of Trichoderma asperellum on the Pythium cucurbitacearum 70 Chart 4.5 Evalution of Trichoderma asperellum to control citrus root ... OF AGRICULTURE FACULTY OF AGRONOMY  UNDERGRADUTE THESIS TOPIC: MORPHOLOGICAL, BIOLOGICAL, MOLECULAR CHARACTERIZATION AND BIOLOGICAL CONTROL OF PYTHIUM CUCURBITACEARUM CAUSING ROOT ... 4.11 Growth inhibition of Trichoderma asperellum on the Pythium cucurbitacearum during in vitro 71 Figure 4.12 Evalution of Trichoderma asperellum to control citrus root rot in the greenhouse

Ngày tải lên: 11/07/2023, 14:16

... percentage of inhibition of radial growth ( antagonistic effect) of Trichoderma asperellum on the Pythium cucurbitacearum 70 Chart 4.5 Evalution of Trichoderma asperellum to control citrus root ... OF AGRICULTURE FACULTY OF AGRONOMY  UNDERGRADUTE THESIS TOPIC: MORPHOLOGICAL, BIOLOGICAL, MOLECULAR CHARACTERIZATION AND BIOLOGICAL CONTROL OF PYTHIUM CUCURBITACEARUM CAUSING ROOT ... 4.11 Growth inhibition of Trichoderma asperellum on the Pythium cucurbitacearum during in vitro 71 Figure 4.12 Evalution of Trichoderma asperellum to control citrus root rot in the greenhouse

Ngày tải lên: 24/07/2023, 01:53

... of Vibrio species: Application of Indigenous Phages for Biological Control of Vibrio in Aquaculture Live Feeds Sahar Wefky Mostafa Hassan* Marine Microbiology Department, National Institute of ... applicable as ecofriendly bio control agent of pathogens in the aquaculture Introduction Bacterial infection is a significant threat to mankind Many forms of human illness as a result of bacterial ... detection and enumeration One ml of the water sample or appropriate dilution of the sample and 0.2 ml of exponentially growing host culture were added to ml of liquefied soft agar The mixture was poured

Ngày tải lên: 05/11/2020, 04:55

... determinant of the controllability matrix QC 5.2 Uniform controllability of? ?the linearized system Fig. 7  Configuration of crawler gait Before performing the simulations, the uniform controllability of ... subject to (35) To show the validity of the idea of using a rolling motion for the control purpose, we tested the controllers by simulations The parameters of the snake robot that we assumed in ... expected that, by controlling the axis direction, it is possible to control the movement of the passive joint Note that a joint can become passive amid of performing some task because of malfunctioning:

Ngày tải lên: 11/08/2021, 21:20

... value of macadamia The objective of this study was to determine the distribution, molecular identification and the effect of biological control of P cinnamomi in the main macadamia growing areas of ... THE EFFECT OF BIOLOGICAL CONTROL OF PHYTOPHTHORA CINNAMOMI ON MACADAMIA IN THE LIMPOPO AND MPUMALANGA PROVINCES, SOUTH AFRICA By Nontokozo Sibahle Kunene Submitted in fulfillment of the requirements ... improved control of this pathogen requires development of molecular detection 23 techniques to confirm morphological identification of P cinnamomi 24 Chemical control is the most effective control

Ngày tải lên: 10/10/2021, 00:50

... stability of the Off mode As analyzed by flow cytometry, a fraction of Off-sorted cells activated from the Off mode, which is indicated by ‘‘Loss of %Off.’’ Error bars are standard deviations of triplicate ... After 28 days of culturing the Off-sorted cells for WT LGIT, fewer than 3% of these cells activated out of the Off region (%Loss of Off), which demonstrates the stability of its Off mode However, ... show the correlation between the stability of the Off mode (Loss of %Off) and the degree of transcriptional noise (%PheB) (D) Off and Bright fractions of one phenotypically bifurcating (PheB) clone

Ngày tải lên: 01/11/2022, 09:46

... our samples included roots potentially colonized not only by mycorrhizal fungi but also by diverse root- endophytic fungi In addition, because of the sampling design, the root samples were considered ... sharing of hosts/symbionts nor by complete compartmentalization by mycorrhizal type Rather, the colonization of multiple types of mycorrhizal fungi on the same plant species and the prevalence of ... the roles of root- associated fungi in plant community dynamics Future studies examining the community structure of both mycorrhizal and root- endophytic fungi will enhance our knowledge of the belowground

Ngày tải lên: 02/11/2022, 11:36

... 14 May 2016 Published: 17 June 2016 Improvement of physical, chemical, and biological properties of aridisol from Botswana by the incorporation of torrefied biomass Tatsuki Ogura1,2, Yasuhiro  ... representation of this study Effects of soil amendment with torrefied biomass were evaluated using three steps: (1) characterization of Jatropha curcas pyrolysis profiles, (2) evaluation of soil physical ... Results and Discussion Torrefication profile of J curcas.  To prepare the torrefied biomass, the thermal degradation profile of J curcas was characterized by thermogravimetric (TG)-differential

Ngày tải lên: 04/12/2022, 14:53

... purification of the pathogen Isolation and characterization of Plant Growth Promoting Fungi (PGPF) with special reference to Trichoderma species Establishment of bio -control potential by against ... inhibition= Inhibition x100 Assessment of culture filtrates of beneficial mycoflora added with or without ZnSO4 by poison food technique Effect of culture filtrate of Ttrichoderma species combined with ... beneficial fungi was expressed as inhibition of radial growth of test pathogen by following formula: R1-R2 Percentage of inhibition = X100 R1 R1 –Radial growth of the pathogen in control plate,

Ngày tải lên: 21/05/2020, 21:22

... FAD-moiety of purified NifL On the basis of these data, we postulate that under anaerobic and nitrogen-limited conditions, NifL inhibition of NifA activity is relieved by reduction of the FAD-cofactor by ... Ampr, Kanr K pneumoniae nifLA under the control of the tac promoter K pneumoniae nifA under the control of tac promoter K pneumoniae malE-nifL under the control of the tac promoter EcoRI/HindIII fdnG ... vivo, reduction of purified MBP– NifL was studied in vitro at room temperature In the absence of a redox mediator, the FAD cofactor of oxidized MBP–NifL was not reduced by the addition of NADH (data

Ngày tải lên: 17/03/2014, 10:20

... Nam Directed by Professor Ro-Dong Park February, 2009 The Role of Fungal Chitinases in Biological Control of Plant Root- Knot Nematode Meloidogyne incognita on Cucumber Department of Agricultural ... target of chitinases for biological control of plant parasitic nematode and phytopathogenic fungi (Bird and Mcclure 1975, Nguyen et al 2007, 2008a) 1.2 General characteristics of plant root- knot ... chitinase-producing fungi are capable of parasitizing phytopathogenic fungi, plant-parasitic nematodes and insects Trichoderma harzianum has been reported as a biocontrol agent for phytopathogenic fungi and...

Ngày tải lên: 12/06/2014, 16:03

... examine the basic elements of the structure and function of the serpins involved in controlling the central coagulation enzyme, thrombin, and their control by GAGs Control over other enzymes, ... much of what FEBS Journal 272 (2005) 4842–4851 ª 2005 FEBS R N Pike et al Control of the coagulation system by serpins Table Second order rates of association (kass) values for the reaction of ... (1998) Mechanism of heparin activation of antithrombin Role of individual residues of the pentasaccharide activating sequence in the recognition of native and activated states of antithrombin...

Ngày tải lên: 20/02/2014, 02:21

... presence of amino acid(s) resulted in inhibition of the DNA binding of the involved transcription factors By contrast, the presence of amino acid may also result in stimulation of the DNA binding of ... Cloning of rat asparagine synthetase and specificity of the amino acid-dependent control of its mRNA content Biochem J 304, 745–750 86 Huang Q, Lau SS & Monks TJ (1999) Induction of gad 153 by nutrient ... physiological importance of glutamine which, by counteracting activation of the NF-jB pathway, contributes to the attenuation of local inflammation in the gut and lung The pathway by which glutamine...

Ngày tải lên: 07/03/2014, 00:20

... composed of palindromic repeats of a hexanucleotide sequence separated by three non-conserved base pairs with each HRE half-site being bound by one receptor monomer [12,13] Out of the multitude of ... regulation by chromatin M Wiench et al Fig Dynamics of chromatin structures at inducible genes (A) Inducible genes are regulated by a ‘covered’ class of promoters characterized by the presence of a ... and localization of TF binding sites The array consists of Mb of 200 MMTV-LTR copies encompassing 800– 1200 GR binding sites and can be visualized in living cells by the binding of green fluorescent...

Ngày tải lên: 28/03/2014, 22:21

... behavior of the system to be numerically simulated • To supply guidelines for the design of automatic control systems Automatic controllers are often inspired by the behavior of the human controller, ... actual 452 27 CONTROL OF THE CHASSIS AND BY WIRE’ SYSTEMS FIGURE 27.9 Working of an anti-lock system (ABS) (a) Time history of the speed of the vehicle and of the peripheral velocity of the wheel ... and using the approximation of Eq (27.2) 442 27 CONTROL OF THE CHASSIS AND BY WIRE’ SYSTEMS FIGURE 27.4 (a): Root locus of the vehicle-driver system with a delay of 0.3 s (b): Trajectory obtained...

Ngày tải lên: 03/07/2014, 19:20

... • Control group: The same number and breed of ewes and number of lambs of the ewes in the Fungus group was allocated to an area of comparable size, topography and pasture quality for each of ... spores / Biological control of sheep parasites kg body weight/day When the lambs were approximately weeks of age (early June), the dose rate of spores was doubled to account for the consumption of ... also be a reflection of good 31 nutrition during the lamb-finishing period Biological control is one of the more promising non-chemotherapeutic approaches to parasite control of livestock (which...

Ngày tải lên: 12/08/2014, 18:21

... primary root, branch roots (lateral roots and adventitious roots) and root hairs (Osmont et al., 2007) Root system architecture development is composed of primary root (PR) and lateral root (LR) ... Image of root hairs on both sides of a root 67 Figure5 Picture of lateral root growing on agar media 68 Figure6 Roots growing on media containing different concentration of agar ... LIST OF FIGURES Figure1 Longitudinal section of Arabidopsis root tip Figure2 Lateral root developmental stages 10 Figure3 Diagrams of how to image air side or agar side of the root...

Ngày tải lên: 10/09/2015, 09:28

... 10 L/day with 1,000 mg/L of biological oxygen demand (BOD), 50 mg/L of nitrogen and 25 mg/L of phosphorus The experiments were conducted at a sludge retention time (SRT) of 33 days and the hydraulic ... substances (EPS) of the mixed liquor were extracted by steam treatment at 105 oC for 30 minutes (Nakajima and Mishima, 2005) For the SMP

Ngày tải lên: 05/09/2013, 10:15