scholarly journals The effect of natural substances on the radicle development of certain plant seeds during the early germination stage

2021 ◽  
Vol 12 (1) ◽  
pp. 22
Author(s):  
K. Kaveevendan ◽  
K. Krishnadasan ◽  
K. Thushanthan
Keyword(s):  
Plant Seeds ◽  
Natural Substances ◽  
Early Germination ◽  
Germination Stage

scholarly journals THE EFFECT OF PRE-SOWN PRIMING OF BARLEY SEEDS IN THE SOLUTIONS OF DIFFERENT SALTS IN THE COMBINATION WITH DIATOMITE ON ALLANTOIN CONTENT IN ROOTS SEEDLINGS UNDER SALINЕ СONDITIONS

2020 ◽  
Vol 1 (383) ◽  
pp. 97-104
Author(s):  
S. K. Nayekova ◽  
K. M. Aubakirova ◽  
G. A. Shalakhmetova ◽  
V. V. Demidchik ◽  
Z. A. Alikulov
Keyword(s):  
Seed Germination ◽  
Seed Treatment ◽  
Xanthine Dehydrogenase ◽  
Plant Seeds ◽  
Seedling Roots ◽  
Sowing Seed ◽  
The Stability ◽  
Germination Stage

. Pre-sown priming of barley seeds in diatomite suspension in the combination with the solutions of biological important elements strongly increased their germination under saline conditions. For maximal seed germination and content of the potential antioxidantallantoinin seedling roots under salinity it was necessary the priming in the presence of diatomite, KNO3 and Na2MoO4. Role of nitrate and molybdate in maximal formation of allantoin by explained in vivo cooperations of molybdenum-containing enzymes of nitrate reductase (NR) and xanthine dehydrogenase (XDH) in the conditions of salinization. For finding out of role of diatomit further researches are required. Thus, pre-sowing treatment of plant seeds in a combination of diatomite suspension with solutions of biologically important elements dramatically increases the stability of seed germination in saline conditions. Pre-sowing seed treatment by priming is an environmentally friendly and cheap technology of pre-sowing seed treatment for saturation with important elements, which allows to do without fertilization on huge surface. This will provide the plants with important elements from the germination stage to full maturity.

Effect of chemicals on disintegration of the operculum in oil palm (Elaeis guineensis) seeds for early germination

2016 ◽  
Vol 44 (3) ◽  
pp. 475-485
Author(s):  
G. Ravichandran ◽  
P. Murugesan ◽  
P. Naveen Kumar ◽  
R.K. Mathur ◽  
D. Ramajayam
Keyword(s):  
Oil Palm ◽  
Elaeis Guineensis ◽  
Early Germination

Study of the radiomodifier effect of Pityrocarpa moniliformis extract

2019 ◽  
Vol 7 (2A) ◽  
Author(s):  
João Victor Torres de Moraes ◽  
Ricardo Luiz Calazans Luna Filho ◽  
Williams Nascimento de Siqueira ◽  
Hianna Arely Milca Fagundes Silva ◽  
Dewson Rocha Pereira ◽  
...  
Keyword(s):  
Ionizing Radiation ◽  
Cellular Response ◽  
Biomphalaria Glabrata ◽  
Toxicity Tests ◽  
Antioxidant Compounds ◽  
Blastula Stage ◽  
Natural Substances ◽  
60Co Source ◽  
60Co Gamma ◽  
60Co Gamma Radiation

Ionizing radiation has been applied in several areas of knowledge, among them the study of the radiomodifier activity of natural substances. These substances can modify the cellular response to the damage induced by the radiation. Therefore, this work aimed to evaluate the radiomodifier action of Pityrocarpa moniliformis extract on Biomphalaria glabrata embryos exposed to 60Co gamma radiation. Initially, toxicity tests were performed on the extract against the B. glabrata embryos for the choice of concentration that did not cause death and embryonic malformation. Then, the antioxidant activity of the P. moniliformis extract with flavonoids and phenolic compounds was evaluated by means of the ABTS method. To evaluate the radiomodifier activity of the extract, embryos were selected in the blastula stage and irradiated with 7.5 Gy in a 60Co source (gammacell-Co60). Then, the embryos were exposed for 24 h to the extract of P. moniliformis at a concentration of 250 μg/mL. The results showed that the extract of P. moniliformis presents flavonoids and enzymatic inhibition by ABTS, which demonstrates the presence of antioxidant compounds. However, the tests of the radiomodifier activity did not present radioprotective effect for embryos exposed to ionizing radiation.

The Effectiveness of Methanolic Extracts of Five Plants on Different Salmonella Isolates

2020 ◽  
Keyword(s):  
Multidrug Resistance ◽  
Salmonella Enteritidis ◽  
Microbial Growth ◽  
Herbal Extracts ◽  
Antibacterial Compounds ◽  
Natural Substances ◽  
Methanolic Extracts ◽  
Bacterial Antibiotic Resistance ◽  
Salmonella Serotypes ◽  
Multiple Challenges

Salmonellosis is known to be one of important issues that affect poultry industry as well as it can affect human health. Recently, multiple challenges are facing the use of natural antibacterial compounds, such as herbal extracts to overcome the massive increase in bacterial antibiotic resistance. Different Salmonella serotypes were recovered throughout examination of diarrheic poultry. These strains showed multidrug resistance by disc diffusion methods also, the resistance genes qnrS and aac (6′)-Ib-cr were detected in S. Enteritidis and S.Typhimurium which isolated from broiler's organs and muscles. The methanolic extracts of five plants (Alhagi maurorum, Conyza dioscoridis, Coriander sativum, Caracuma longa and Cuminum cyminum) were tested for their antibacterial activity against different isolated Salmonella serotypes using minimum inhibitory concentrations (MIC). Conyza dioscoridis was the most effective extract retarding microbial growth of Salmonella Enteritidis, while other plant extracts showed variable antimicrobial activity. These results are promising in the way of replacing the antibiotic therapy with natural substances to overcome the multidrug resistance.

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