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Plant growth promoting activities
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Developing new biofertilizers has been an area of great interest in modern agriculture. This study focused on actinobacteria possessing high chitinase activity, biofilm formation, plant growth promotion, and antifungal activity. Two chitinolytic actinomyces strains, YSS-3.3 and YWS-5.1, were isolated from soil and chitin flake samples collected from Yok Don National Park in the Central Highlands, Vietnam.
10p
vimarillynhewson
02-01-2024
2
2
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The thesis investigates the growth promoting effects of plant growth promoting bacteria (PGPB) in chickpea and wheat. Three main topics covered are: 1) Isolating local Plant Growth Promoting Bacteria; 2) Screening and characterization of isolates; 3) Assessment and identification of the selected strains.
107p
runthenight04
02-02-2023
7
3
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Antibiotics are disseminated by grazing animals or their feces throughout agricultural areas. These antibiotics, as environmental pollutants, have a negative impact on plant growth and physiology. Sulfonamides are frequently used to protect livestock production, but they also have a considerable negative impact on plant growth and rhizospheric bacteria. Plants are sensitive to their surroundings, and they employ their internal biological systems to deal with the threats to their growth and development.
16p
lyhuyenthu
31-01-2023
2
1
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Biochar and PGPR applications mitigated the negative influence of salinity stress on plant growth and physiological and biochemical characteristics of eggplant seedlings, enhancing chlorophyll content, plant nutrient element uptake, and antioxidant enzyme activity. The enhanced salinity tolerance due to biochar and PGPR applications could be associated with a significant reduction in Na and Cl uptake, MDA, H2 O2 and EL and an increase in LRWC, chlorophyll content, antioxidant activity and plant nutrient element uptake.
26p
lyhuyenthu
31-01-2023
5
2
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Activated charcoal (AC) is highly adsorbent and is often used to promote seedling growth in plant tissue culture; however, the underlying molecular mechanism remains unclear. In this study, root and leaf tissues of 10-day-old seedlings grown via immature embryo culture in the presence or absence of AC in the culture medium were subjected to global transcriptome analysis by RNA sequencing to provide insights into the effects of AC on seedling growth.
11p
vihagrid
30-01-2023
6
3
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Some studies have reported the method for treating the spent mushroom substrate (SMS). However, the effective use as a functional raw material based on properties of SMS remains a formidable challenge. In this study, we investigated the usefulness of SMS in agriculture to develop a new method for treating and utilizing it.
8p
viginny
30-12-2022
7
2
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Vermicompost contains beneficial bacteria, vermicompost is a finely divided peat-like material with high porosity, good ventilation, drainage, water-holding capacity, microorganism activity, Excellent nutritional status and buffering capacity thus provide the physiological properties required for soil fertility and plant growth. Worm manure enhances soil biodiversity by promoting entry and enhances plant growth directly by producing plant growth-regulating hormones and enzymes.
10p
viindranooyi
07-05-2022
7
1
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This study was conducted with a view to isolate bacteria associated with the roots of sweet potato plants (Ipomoea batatas (L.) Lam.) and to assess their functional potentialities in relation to plant growth promoting activities.
7p
schindler
30-12-2021
12
0
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These isolates were screened, in vitro, according to their capacities to produce plant growth promoting substance i.e. IAA, phosphate, potassium solubilization, chitinase activities and hydrogen cyanide. Results indicated that 36 bacterial isolates showed IAA production, 25 HCN production, 57 chitinase activities, 39 phosphate and 105 potassium solubilizers.
8p
schindler
30-12-2021
9
0
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This strain also showed the lowest of doubling time. Ps. otitidis SE8 and OL2 had higher activity to solubilize phosphorus than other tested strains. Bacterial strain SE8 also gave a considerable amount of soluble potassium as compared with other strains being 80.7 ppm.
10p
schindler
30-12-2021
16
0
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The results showed that bacterial inoculation was effective in alleviating the deleterious effect of salinity on some growth criteria (seedling length, fresh and dry masses as well as relative water content), compared with the control. The isolate HM6 (B6), which showed the highest activity of biofilm formation at all the studied NaCl concentrations
11p
schindler
30-12-2021
8
0
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In the current work, A. flavus as an herb endophyte was selected to verify its role as plant growth-promoting and protection such as antimicrobial activity, IAA production, phosphorus solubilization and nutritional improvement of the tomato plant. So far, there is no previous investigation has been done on evaluating the potential of A. flavus as tomato plant growth promotion and to control Alternaria early blight disease of tomato.
7p
schindler
30-12-2021
12
0
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Three lactic acid bacteria (LAB) strains, Lactobacillus sp. L5, Lactobacillus sp. L3, Lactobacillus sp. L2N, isolated from Vietnamese traditional Nem chua grew well in cabbage broth supplemented with 12 g/L glucose and 15 g/L peptone and showed inhibitory activity ranging from 40% to 44% against Aspergillus sp. CDP isolated from mould contaminated peanuts, while Daconil 75WP – a fungicide compounds – as a positive control showed only 26.9%.
3p
viwilliamleiding
10-12-2021
18
1
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Therefore, in this study, we examined the biological and pharmaceutical properties, focusing on cell-targeted toxicity, organism-targeted toxicity (zebrafish) and anticancer activity on cervical cancer in vitro, of the ethanol extract of the medicinal plant C. kongensis (CK-EE), an endemic plant of Vietnam used as traditional medicine for a long period.
7p
guitaracoustic02
08-12-2021
19
2
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In the present study it was aimed to obtain novel strains of actinomycetes that have the ability to promote plant growth. For this, seven soil samples from the rhizosphere of Humulus lupulus (Pazaryeri, Bilecik) were used and potential isolates were obtained. 16S rRNA genes of 30 isolates were amplified by PCR and sequenced. Eighteen isolates were found to be closely related to Streptomycetes spp. and they were tested for their proteolytic activity, cellulase activity, phosphate solubility, IAA production, biofilm formation, and growth in nitrogen-limited medium.
17p
thiencuuchu
27-11-2021
4
1
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Tomato plant growth is frequently hampered by a high susceptibility to pests and diseases. Traditional chemical control causes a serious impact on both the environment and human health.
14p
vilichoo2711
25-06-2021
17
1
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Melatonin (MT) is important for plant growth and development; however, it is not known whether MT is involved in apple adventitious root (AR) development. In this study, we treated Malus prunifolia (MP) at four different stages of AR development, and analyzed the level of the endogenous hormones MT, auxin (IAA), zeatin-riboside (ZR), abscisic acid (ABA), and gibberellins (GA1+3) in all four treatment groups and the untreated control group.
11p
vijichea2711
28-05-2021
11
1
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Despite significant limitations of growth medium reuse, a large amount of organic substrate is reused in soilless cultivation of horticultural crops in China. Arbuscular mycorrhizal fungi (AMF) can promote nutrient absorption and improve plant tolerance to biotic and abiotic stresses.
12p
vijichea2711
28-05-2021
12
1
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Plant growth-promoting rhizobacteria (PGPR) are naturally occurring soil bacteria which benefit plants by improving plant productivity and immunity. The mechanisms involved in these processes include the regulation of plant hormone levels such as ethylene and abscisic acid (ABA).
12p
vijichea2711
28-05-2021
12
1
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Fusarium wilt is a soil-borne disease, which negatively affects the lentil crop widespread in India and affecting the lentil crop productivity. So the present study was conducted to evaluate the efficacy of bioagents against wilt pathogen Fusarium oxysporum f.sp.lentis of lentil crop through antagonistic activity. Rhizospheric strains were isolated from wilt affected lentil plant in different regions of Eastern UP like Faizabad, Mau, Varanasi, Ghazipur. A total of 20 bacterial strains were isolated and tested for antagonistic activity by co-culture m
11p
chauchaungayxua10
19-03-2021
16
2
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