fungi as plant growth promoter and disease suppressor

... fungal pathogens and as plant growth promoters Soil Biology and Biochemistry 38: 1505-1520 El-Tarabily K.A., Nassar A.H., Hardy G and Sivasithamparam K (2009) Plant growth promotion and biological ... soils for crop production as it has good potential to perform as plant growth promoter As a mechanism of plant growth promotion these organisms found producing plant growth regulators i.e auxins ... of plant pathogens, interactions with plants and plant growth promotion This review briefly summarizes the effects of actinomycetes on biocontrol, plant growth promotion and association with plants

Ngày tải lên: 21/05/2020, 21:07

... The plant height and number of leave per plant increased significantly with the increasing crop growth period At 20 days after transplantation (DAT), the maximum (17.67cm) plant height was recorded ... 2017) The vegetative growth of kharif onion as represented by plant height, number of leaves per plant, fresh and dry weight of plant, increased to optimum level using GA3 and NAA CCC is very ... indicated that the plant height can be either increased or decreased by the application of synthetic plant growth regulators The increase in plant hei ght by foliar spray of GA3 100ppm and NAA 100 ppm

Ngày tải lên: 11/03/2020, 11:12

... such as catalase, ascorbate peroxidase and superoxide dismutase and in the levels of antioxidants such as tocopherols [33, 37] Importantly, these enzymes are all encoded by gene families and changes ... N Fruit-set and early growth in tomato are associated with increase in IAA, cytokinins and bioactive gibberellins J Plant Growth Regul 2011;30:405–15 Page 14 of 14 51 Nowacki J, Bandurski RS ... petal stages was measured from 48 petals which were detached and sealed into a 10 ml collection tube Ethylene was collected for 12 h and measured on an Agilent 6890 N Network Gas Chromatograph

Ngày tải lên: 22/05/2020, 04:14

... foliar spray recorded a per cent disease index in the range of 26.30 to 38.24 and the minimum disease index was recorded by the isolate EBT22 and maximum disease index was shown by the isolate EBT3 ... maximum disease index by the isolate EBT3 Soil drench recorded a per cent disease index ranging from 24.85 to 36.88 with the minimum disease index by the isolate EBT18 and maximum disease index ... spray and soil drench were combined together, it resulted in a disease index in the range of 24.58 to 35.49 with the minimum disease index by the isolate EBT18 and maximum disease index was recorded

Ngày tải lên: 28/04/2021, 01:50

... increasing number of studies has suggested that FAs and their derivatives have important roles as signaling molecules that modulate normal and disease- related processes [1] In plants, FAs influence ... listed in Additional file 2: Table S5 Plant disease resistance assay For disease resistance assays, 28-d-old plant leaves were sprayed with virulent Pseudomonas syringae pv tomato DC3000 at optical ... mutant was found to have many small white spots on its mature leaves and was isolated and designated ssi2-2 based on map-based cloning results (see below) Mature ssi2-2 plants displayed growth

Ngày tải lên: 22/05/2020, 04:48

... Arabidopsis plants as described in the Material and Methods The membranes were incubated in the presence of denatured SBA and UDP-[14C]glucose The reaction was finished by adding TCA The pellet was washed ... analyzed and classified as “dead” (completely dry and collapsed leaves), “damaged” (chlorotic lesions in leaves) or “healthy” (green and turgid leaves) and counted The results are expressed as a ... role in plant growth and response to environmental cues Results Arabidopsis thaliana ER-enriched fractions exhibit UGGT activity The UGGT activity has been measured in mung bean [9], and its

Ngày tải lên: 26/05/2020, 21:22

... benzimidazole have also been used as agrochemicals with fungicidic and plant growth regulating properties [16] Further, they provide protection and insulate plants against various environmental ... selected as priming agents Page of 11 root mass and shoot mass were considerably improved in parents as well as in progeny [22] In this study four different benzimidazoles were selected as wheat ... α-naphthyl acetate and β-naphthyl acetate were used as substrates for the determination of α-esterases and β-esterases [33] Germination potential of the primed and control wheat seeds was estimated

Ngày tải lên: 29/05/2020, 13:46

... activity was defined as the amount of enzyme required to release μmol of glucose per under these conditions (Mandels et al., 1976) ml of CAS reagent, and absorbance was measured at 630 nm Ar -As % ... hazard, and suppress the diseases as well PGPR are very well known for their role in plant growth promotion mainly for biological nitrogen fixation, phytohormone production, and acting as biocontrol ... isolate was positive for gelatin liquefaction, casein hydrolysis, indole production, catalase test, starch hydrolysis, urease test and denitrification activity It has showed growth at 40°C Based

Ngày tải lên: 02/07/2020, 23:04

... was taken as 0.8, for mid stage Kc mid was taken as 1.7 and for end stage it was taken as Kc end as 0.7 Based on USDA S.C.S method the effective rainfall (ER) is calculated on monthly basis as: ... irrigation was significantly superior to DSR under drip This result revealed that the plant leaf growth was affected by water and moisture availability Plant dry matter At 30, 60 and 90 DAS the plant ... growth such as plant height, number of tillers per plant, number of shoots per m2, leaf area index, plant dry matter and yield and yield contributing characters were recorded at 30, 60, 90 DAS

Ngày tải lên: 09/01/2020, 14:32

... prominent effects on plant growth and development Beneficial effects of this microbe, such as increased plant growth and enhanced plant resistance to an array of pathogens and to drought stress, ... isolate VSMKU4050 was identified as Pseudomonas sp The identified strain designated as VSMKU4050 was chosen for IAA production based on its antagonistic potential and plant growth promotion efficiency ... rhizosphere and root colonizers such as Trichoderma viride and Pseudomonas fluorescence (Shanmugaiah et al., 2009) Since IAA has been found to be very important for plant growth and development,

Ngày tải lên: 09/01/2020, 20:30

... the walls of the flask with constant stirring and the pH was adjusted to 7.0 The volume was then made upto 1L and agar was added and autoclaved After autoclave, it was cooled and poured in sterile ... portulacastrum is a pioneer plant species used for sand dune fixation, desalination and phytoremediation along coastal regions The plant tolerates abiotic constraints such as salinity and drought ... chrome azurol sulphate (CAS) in 50ml distilled water, and to this, 0.27g of FeCl3 was added and stirred well To this, 364.6µl of concentration HCl was added and mixed well It was slowly added to CATB

Ngày tải lên: 14/01/2020, 01:59

... increased growth and yield of crop plants (Kloepper and Schroth, 1978) PGPR support the growth of host plants and can stimulate plant growth, increase yield, reduce pathogen infection, as Introduction ... and biocontrol Functional characterization Plant growth- promoting rhizobacteria (PGPR) are known to promote plant growth by improving plant nutrition, modifying root growth architecture and plant ... 1899–918 Rosas SB, Avanzin G, Carlier E, Pasluosta C, Pastor N, Rovera M Root colonization and growth promotion of wheat and maize by Pseudomonas aurantiaca SR1 (2009) Soil Biology and Biochemistry

Ngày tải lên: 14/01/2020, 03:18

... 2004; Coleman-Derr and Tringe, 2014) Inoculation of plants with beneficial microorganisms promotes plant growth and increases drought tolerance in arid or semiarid areas (Marulanda and others 2007) ... stressed plants and facilitates normal plant growth development in stressed condition, inducing salt tolerance and drought tolerance in plants (Mayak et al., 2004; Glick, 2005) Thus, plant growth ... stimulates plant growth and development is IAA PGPR producing IAA when primed with plant resulted in enhanced root growth and formation root hairs (Dimpka et al., 2009) ultimately increases water and

Ngày tải lên: 14/01/2020, 03:20

... phytohormone synthesis and by controlling plant pathogens (Lugtenberg and Kamilova, 2009) Different plant growth promoting bacteria including free living and associative such as Azospirillum, Azotobacter, ... namely Andhra Pradesh, Gujarat, Tamilnadu, Karnataka and Maharashtra and together they account for about 90% per cent of the cultivated area Andhra Pradesh and Gujarat states share about 28 and ... and 25% RD of Zn through ZnSO4+ ZnSB and T8 to T11 were GRDF + 100 %, 75%, 50% and 25% RD of Zn through ZnO + ZnSB The biofertilizer zinc solubilizing bacteria was given as a seed treatment as

Ngày tải lên: 14/01/2020, 13:50

... 11911198 Basak, B.B and Biswas, D.R (2010) Coinoculation of potassium solubilizing and nitrogen fixing bacteria on solubilization of waste mica and their effect on growth promotion and nutrient ... Dhandhukia, P and Thakker, J N (2015) Elucidating multifaceted urease producing marine Pseudomonas aeruginosa BG as a cogent PGPR and bio-control agent Plant Growth Regul 75(1): 256-263 Govindasamy, ... the genus Pseudomonas, where the most studied organisms are Pseudomonas fluorescens and Pseudomonas aeruginosa which release pyochelin and pyoverdine type of siderophores (Haas and Defago, 2005)

Ngày tải lên: 14/01/2020, 18:27

... scattered plant diseased but 1-2 signs &/or symptoms /plant (Very Highly Resistant) A few scattered plant diseased but 5-10 signs &/or symptoms /plant (Highly Resistant) A few plant diseased but ... bacteria, Gram-negative bacteria, and Candida (Ashaal et al., 2010) The increased disease severity of bacterial rot from 3.55% to 5% was noted in T8 and maximum decrease was observed in T6 from 4.27% ... healthy and infested fruits to calculate the percentage weight losses Observation for Diseases Incidence and Severity Disease Incidence (DI) was assessed by the following formula: Disease Severity

Ngày tải lên: 02/03/2020, 11:28

... days and divide them by Shoot length of seedling measuring scale on 3, 5, and days and divide them by The height of three randomly selected plants from each pot was measured with the help of measuring ... (Kloepper and Schroth 1981) Plant Growth Promoting Rhizobacteria (PGPR), especially Pseudomonas fluorescens (Pf1, Py15 and Fp7) strains have been developed commercially as a talc based formulation and ... after transplanting The average height of plant of each replication was recorded and subjected to statistical analysis The branches of three randomly selected plants from each pot was measured at

Ngày tải lên: 11/03/2020, 12:01

... Number of sprouts as influenced by type of cutting, growing media and plant growth regulators Fig.2 Number of leaves as influenced by type of cutting, growing media and plant growth regulators ... Media and Plant Growth Regulators on Rooting of Different Types of Stem Cuttings in Acid-Lime Cv Kagzi Ashis Malakar1*, D P Prakasha2, H Kulapati3, Sanjeevraddi G Reddi4, S G Gollagi5, N Anand6 and ... How to cite this article: Ashis Malakar, D P Prakasha, H Kulapati, Sanjeevraddi G Reddi, S G Gollagi, N Anand and Satheesh, P 2019 Effect of Growing Media and Plant Growth Regulators on Rooting

Ngày tải lên: 17/03/2020, 20:01

... isolates and natural water NOM as the initiator, promoter and inhibitor The applicability of the kinetic model on the quantification of NOM rate constants as the initiator, promoter and inhibitor was ... Humic and fulvic acids are differentiated by their solubility in acid and base Humic acid is soluble in base but insoluble in acid (< pH 2) whereas fulvic acid dissolves in both acid and base ... acetaldehyde, glyoxal and methyl-glyoxal) and ketoacids [56, 61] These by-products, however, react slowly with · OH NOM can directly consume ozone as well as react as the initiator, promoter and inhibitor...

Ngày tải lên: 09/09/2015, 10:08

... Symposium on Tomato Diseases and 19th Annual Tomato Disease Workshop University of Florida Orlando, Florida, USA: 46 pp Huber, D.M and Watson, R.D 1974 Nitrogen form and plant disease Annual Review ... relation to disease intensity in several crop -disease combinations (Huber and Watson, 1974) High rates of nitrogen induce a reduction (Chase and Poole, 1987; Harkness and Marlatt, 1970; Chase and Jones, ... and high temperature (24 – 29 oC) favor the disease, which can completely defoliate tomato plants and expose fruit to 10 sunscald and other diseases, and reduce yield (Jones, 1997; Pitblado and...

Ngày tải lên: 13/11/2014, 10:28