scholarly journals EFFECT OF PSEUDOMONAS PROTEGENS DA1.2 IN COMBINATION WITH HERBICIDES ON THE HORMONAL SYSTEM AND PRODUCTIVITY OF SOFT SPRING WHEAT IN THE CONDITIONS OF THE TRANS URAL STEPPE ZONE

ÈKOBIOTEH ◽  
2021 ◽  
Vol 4 (4) ◽  
pp. 276-281
Author(s):  
A.V. Feoktistova ◽  
◽  
M.D. Timergalin ◽  
T.V. Rameev ◽  
Z.R. Sultangazin ◽  
...  
Keyword(s):  
Spring Wheat ◽  
Growth And Development ◽  
Shoot Growth ◽  
Steppe Zone ◽  
Soil Drought ◽  
Combined Stress ◽  
Relative Water ◽  
Hormonal System ◽  
Positive Effect ◽  
Stimulation Of

This article presents data on the effect of a new growth-regulating bacterial strain Pseudomonas protegens DA1.2 on the productivity of soft spring wheat when treated with chyalan and nanomet herbicides under the conditions of the Trans-Ural steppe zone. The introduction of bacteria together with herbicides led to the accumulation of mass and stimulation of shoot growth, as well as maintaining a high relative water content in the leaves. In combinations of bacterial treatments with nanomet, an increased content of ABA and a decrease in the level of IAA in shoots were noted. Together with chistalan, the ABA concentration in the shoots decreased. The ability of bacterial treatments to increase the yield of wheat under conditions of combined stress caused by the action of herbicides and soil drought, due to the positive effect of bacteria on the growth and development of plants, was revealed.

scholarly journals Agroecological aspects of application of Pseudomonas sp. DA1.2 in overcoming herbicidal stress in wheat

2020 ◽  
Vol 23 ◽  
pp. 03009
Author(s):  
Maxim. D. Timergalin ◽  
Arina V. Feoktistova ◽  
Timur V. Rameev ◽  
Gaisar G. Khudaygulov ◽  
Sergei N. Starikov ◽  
...  
Keyword(s):  
Bacterial Strain ◽  
Field Experiments ◽  
Steppe Zone ◽  
Pseudomonas Sp ◽  
Synthetic Auxins ◽  
Promising Agent ◽  
Relative Water ◽  
Stress Application ◽  
Positive Effect

This article submits results of laboratory and field experiments on the effect of an auxin-producing bacterial strain Pseudomonas sp. DA1.2 in comparison with Pseudomonas koreensis IB-4 on wheat plants in conjunction with the “Chistalan” herbicide treatment. Our work shows the positive effect of bacterial treatments on plant growth, the relative water content in leaves and the role of bacteria in the redistribution of ABA and IAA in wheat shoots under conditions of herbicidal stress. Application of Pseudomonas sp. DA1.2 together with the herbicide in the field of the steppe zone led to an increase in yield by 20% relative to the control variant. This bacterial strain helps to overcome herbicidal stress and is a promising agent for improving the technology of using synthetic auxins herbicides.

scholarly journals The effectiveness of using zeolite in the processing of spring wheat seeds

2021 ◽  
Vol 37 ◽  
pp. 00054
Author(s):  
Kamila Garafutdinova ◽  
Gulnara Rakhmanova ◽  
Elena Prishchipenko ◽  
Lilia Gaffarova
Keyword(s):  
Spring Wheat ◽  
Growth And Development ◽  
Biochemical Parameters ◽  
Plant Biomass ◽  
Wheat Variety ◽  
Agricultural Crops ◽  
The Republic ◽  
Spring Wheat Variety ◽  
Positive Effect ◽  
Wheat Seeds

The article presents the results of vegetation studies on dusting the seeds of agricultural crops with zeolite. The experiment used seeds of spring wheat variety Ulyanovskaya-105 and mechanically activated zeolite of the Tatar-Shatrashansk deposit of the Republic of Tatarstan. The activated zeolite was obtained by mechanical activation using a crushing and screening plant at OAO Zeolites of the Volga Region, the particle size is 0.20 mm. The effect of dusting seeds with zeolite in various doses (25 kg/t, 50 kg/t, 75 kg/t, and 100 kg/t) on the growth and development of spring wheat plants, as well as on the quality indicators of grain, has been evaluated. The results revealed a positive effect of agro mineral on such parameters as seed germination (increase by 2.0–12.0%), chlorophyll content in plants in the tillering phase (by 7.4–33.3%), as well as on morphometric and biochemical parameters - plant height (by 2.5% -10.1%), the number of grains in the ear (by 7.7%), plant biomass (by 1.7% -7.9%) and the protein content in the grain (by 0.6-4.2%).

scholarly journals Magnesium use in pre-sowing treatment of spring wheat seeds

2021 ◽  
Vol 36 ◽  
pp. 04003
Author(s):  
Venera Ramazanova
Keyword(s):  
Spring Wheat ◽  
Plant Development ◽  
Growth And Development ◽  
Effective Rate ◽  
Initial Growth ◽  
Sprout Length ◽  
Different Content ◽  
Magnesium Nanoparticles ◽  
Positive Effect ◽  
Wheat Seeds

Studies of different content of magnesium nanoparticles in combination with stabilizers polyvinylpyrrolidone (PVP) and collagen hydrolyzate (GC) on the effect on the growth processes of spring wheat plants were conducted. It was found that the most positive effect on germination was produced by magnesium preparations in the following concentrations Mg 10 mg + PVP with a rate of 5 ml/t, Mg 20 mg + PVP with a rate of 1 ml/t, Mg 10 mg + GC with a rate of 1 ml/t. The initial growth and development of the root was significantly affected by the variant No3 Mg 10 mg + Ag 1 ml + PVP at the rate of 1 ml/t, and the development of the sprout was affected by all magnesium nanosets at the rate of 1 ml/t. When analyzing the assessment of plant development on days 7, 10 and 15, it was found that magnesium preparations with collagen stabilizer (GC) had a positive effect. Treatment with magnesium preparations on vegetative parts of plants, namely daily sprouts determined the effective rate of the preparation of 5 ml and more. The high values were in the variants Mg 20 mg + PVP, Mg 10 mg + Ag 1 ml + GC, where the increase in sprout length was 2.7-2.9 cm, weight 1.0-1.3 g.

scholarly journals The influence of nitrogen nutrition on the dynamics of growth and metabolism of endogenous growth regulators in Scotch pine (Pinus silvestris L.) seedlings

2015 ◽  
Vol 45 (4) ◽  
pp. 495-510
Author(s):  
M. Michniewicz ◽  
B. Rożej ◽  
J. Stopińska
Keyword(s):  
Dry Matter ◽  
Shoot Growth ◽  
Nitrogen Nutrition ◽  
Lateral Roots ◽  
Scotch Pine ◽  
Pine Seedlings ◽  
Nitrogen Treatment ◽  
Positive Effect ◽  
Growth Of Seedlings ◽  
Stimulation Of

Pine seedlings were cultivated in sterile agar cultures containing nitrogen as NH4Cl. The most pronounced positive effect on the growth of seedlings was affected by N used at a concentration of 50 ppm. After 4 months was stated that nitrogen had only a slight effect on elongation, of .shoots but decreased the length of roots. Nitrogen increased the lenght and number of primary and secondary needles as well as the fresh and dry matter of sboots. It stimulated also the number of lateral roots and the fresh and dry matter of the root system. Stimulation of shoot growth and differentiation as a result of nitrogen treatment was correlated with the increase -of free gibberellins and auxins and decrease of the amount of bound gibberellins and ABA-like inhibitor in shoots. However the effect of N on growth of roots was connected with the increase of auxins, cytokinins and ABA-like inhibitor in these organs.

Melatonin Modulates Lactation by Regulating Prolactin Secretion Via Tuberoinfundibular Dopaminergic Neurons in the Hypothalamus- Pituitary System

2020 ◽  
Vol 21 (8) ◽  
pp. 744-750 ◽  
Author(s):  
Hongyang Li ◽  
JingyaWei ◽  
Fengtao Ma ◽  
Qiang Shan ◽  
Duo Gao ◽  
...  
Keyword(s):  
Pineal Gland ◽  
Pituitary Gland ◽  
Antioxidant Capacity ◽  
Dopaminergic Neurons ◽  
Growth And Development ◽  
Endocrine System ◽  
Mammary Glands ◽  
Prolactin Secretion ◽  
The Body ◽  
Stimulation Of

In-depth studies have identified many hormones important for controlling mammary growth and maintaining lactation. One of these is melatonin, which is synthesized and secreted by the pineal gland to regulate circadian rhythms, improve antioxidant capacity, and enhance immunity. Prolactin is secreted by the pituitary gland and is associated with the growth and development of mammary glands as well as initiation and maintenance of lactation. The hypothalamus-pituitary system, the most important endocrine system in the body, regulates prolactin secretion mainly through dopamine released from tuberoinfundibular dopaminergic neurons. This review provides a reference for further study and describes the regulation of lactation and prolactin secretion by melatonin, primarily via the protection and stimulation of tuberoinfundibular dopaminergic neurons.

scholarly journals Physiological Basis of Combined Stress Tolerance to Low Phosphorus and Drought in a Diverse Set of Mungbean Germplasm

Agronomy ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 99
Author(s):  
Surendra Kumar Meena ◽  
Renu Pandey ◽  
Sandeep Sharma ◽  
Gayacharan ◽  
Tarun Kumar ◽  
...  
Keyword(s):  
Principal Component ◽  
Stability Index ◽  
P Uptake ◽  
Combined Stress ◽  
Physiological Basis ◽  
Low Phosphorus ◽  
Relative Water ◽  
Use Efficiency ◽  
Organic Acid Exudation ◽  
Physiological Markers

To understand the physiological basis of tolerance to combined stresses to low phosphorus (P) and drought in mungbean (Vignaradiata (L.) R. Wilczek), a diverse set of 100 accessions were evaluated in hydroponics at sufficient (250 μM) and low (3 μM) P and exposed to drought (dehydration) stress. The principal component analysis and ranking of accessions based on relative values revealed that IC280489, EC397142, IC76415, IC333090, IC507340, and IC121316 performed superior while IC119005, IC73401, IC488526, and IC325853 performed poorly in all treatments. Selected accessions were evaluated in soil under control (sufficient P, irrigated), low P (without P, irrigated), drought (sufficient P, withholding irrigation), and combined stress (low P, withholding irrigation). Under combined stress, a significant reduction in gas exchange traits (photosynthesis, stomatal conductance, transpiration, instantaneous water use efficiency) and P uptake in seed and shoot was observed under combined stress as compared to individual stresses. Among accessions, IC488526 was most sensitive while IC333090 and IC507340 exhibited tolerance to individual or combined stress. The water balance and low P adaptation traits like membrane stability index, relative water content, specific leaf weight, organic acid exudation, biomass, grain yield, and P uptake can be used as physiological markers to evaluate for agronomic performance. Accessions with considerable tolerance to low P and drought stress can be either used as ‘donors’ in Vigna breeding program or cultivated in areas with limited P and water availability or both.

Market exits during the pandemic

2021 ◽  
pp. 113-133
Author(s):  
E. V. Bessonova ◽  
S. M. Myakisheva ◽  
A. N. Tsvetkova
Keyword(s):  
Growth Potential ◽  
Efficiency Enhancement ◽  
High Productivity ◽  
Young Firms ◽  
Lower Productivity ◽  
Fast Development ◽  
Negative Effect ◽  
Positive Effect ◽  
Substantial Rise ◽  
Stimulation Of

The new coronavirus pandemic has triggered an economic crisis different from other crises in the acuteness and non-uniformity of its impact on various sectors of the economy. This paper analyzes how the dynamics of firms entering and exiting the market have changed in this environment and which groups of firms have shown to be the most vulnerable to the negative effect of the crisis. Our analysis shows that the number of newly registered firms dwindled sharply in the period of the toughest restrictions imposed to curtail the infection spread in April — May 2020. The recovery which followed in the subsequent months has failed to compensate for the spring’s slump, which may suggest a “scarring impact” of the crisis. July and October 2020 saw a substantial rise in companies’ exits from the market. The crisis has hurt not only the hardest hit industries but also other areas of economic activity. Liquidations rose most extensively among young firms aged less than three years. Relatively higher productivity firms exited less often than lower productivity companies. This may suggest a “cleansing effect” of the crisis. But with the redundant labor being unable to move to more productive firms, the positive effect of the crisis may be brought to naught. Therefore, for the consequences of the crisis to be remedied, incentives should be provided to new firms’ entries and support for efficient companies, especially for young firms showing growth potential. Stimulation of growth in the number of high-productivity firms should go hand in hand with the creation of conditions for new entities’ fast development, expansion, and efficiency enhancement.

scholarly journals Pengaruh Model Pendampingan Deteksi Dini Terhadap Kemampuan Guru PAUD Dalam Melaksanakan Deteksi Dini Pertumbuhan Dan Perkembangan Anak PAUD di Wilayah Puskesmas Beji Depok

2020 ◽  
Vol 11 (2) ◽  
pp. 94-100
Author(s):  
Suryati B ◽  
Bara Miradwiyana
Keyword(s):  
Early Childhood ◽  
Early Detection ◽  
Growth And Development ◽  
Intervention Group ◽  
Control Group ◽  
Childhood Growth ◽  
Childhood Education ◽  
Better Than ◽  
Stimulation Of ◽  
Mentoring Model

Impaired growth and development of children can be identified by early detection as prevention, prevention, stimulation and development. This study aims to determine the effect of early detection assistance models on the ability of early childhood education (PAUD) teachers in implementing early detection of early childhood growth and development. The research method uses pretest and posttest design with control group. Providing training and mentoring for PAUD teachers using the Stimulation of Detection and Early Intervention Growing Swell (SDIDTK)/ Child Development Pre-screening Questionnaire (KPSP) for the intervention group while for the control group for PAUD teachers by being given a KPSP booklet after the posttest. The results of the analysis showed that there were differences in scores of PAUD teachers' knowledge and skills in stimulating early childhood growth and development (p=0.001) between the intervention group and the control group after the mentoring model intervention. The knowledge of PAUD teachers who are given a mentoring model is better than the control group, there are significant differences in improving the ability of PAUD teachers to do early detection in children compared to the control group. PAUD teachers who are given the intervention of the mentoring model.

scholarly journals Evaluation of adaptive capacity of genotypes of spring cereals in arid conditions of the Astrakhan region

2019 ◽  
pp. 25-30
Author(s):  
Valentina Aleksandrovna Fedorova ◽  
Nina Alekseevna Naumova ◽  
Ekaterina Vasylyevna Yachmeneva ◽  
Yulia Pavlovna Tarasenkova
Keyword(s):  
Adaptive Capacity ◽  
Spring Wheat ◽  
Growth And Development ◽  
Spring Barley ◽  
Climatic Conditions ◽  
Grain Yields ◽  
Arid Conditions ◽  
Local Soil ◽  
Spring Cereals ◽  
Biological Plasticity

Objects of research were: spring wheat Saratovskaya 70-st, Cardinal, 3 Curenta, Madam, Nil avocet yr7's, Angarida; spring barley Ratnik-st, Medium 135, grace, Vakula, Brassa; spring oats Showjumping-st, Leo, Bulan, Kuranin. As a result of the study of these varieties of spring crops, the most adapted to local soil and climatic conditions samples were identified. The selected samples were distinguished by high biological plasticity, growth and development rates, maximum use of moisture, as well as the ability to form high grain yields.

scholarly journals Spring wheat yield (Triticum aestivum L.) when applying selenium fertilizers in extreme growing conditions

2021 ◽  
Vol 843 (1) ◽  
pp. 012038
Author(s):  
I I Seregina ◽  
I G Makarskaya ◽  
A S Tsygutkin ◽  
I V Kirichkova
Keyword(s):  
Triticum Aestivum ◽  
Water Supply ◽  
Spring Wheat ◽  
Sodium Selenite ◽  
Wheat Yield ◽  
Triticum Aestivum L ◽  
Wheat Crop ◽  
Wheat Varieties ◽  
Negative Effect ◽  
Positive Effect

Abstract To study the effect of sodium Selenite application different methods on the yield of spring wheat varieties, depending on the conditions of water supply, a series of vegetation experiments in accordance with the methodology were carried out. The object of the study is spring wheat of the Zlata variety (Triticum aestivum L.). It was found that the effect of selenium on the yield of wheat of the Zlata variety depended on the method of its application and the conditions of water supply. With optimal water supply, the positive effect of selenium on the yield of spring wheat plants was revealed with both methods of applying sodium selenite. It was found that in conditions of drought, the positive effect of selenium was obtained with both methods of using sodium selenite. The greatest efficiency of selenium is obtained in foliar processing of plants. The increase in grain weight in this variant was 1.4 times. The increase in the share of the agronomic significant part of the wheat crop yield to 36% is shown, which indicates the decrease in the negative effect of drought on the formation of spring wheat yield when using foliar processing of plants.

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