АДАПТАЦИЯ И УСТОЙЧИВОСТЬ РАСТЕНИЙ ПШЕНИЦЫ К ЗАСУХЕ, ОПОСРЕДОВАННАЯ ПРИРОДНЫМИ РЕГУЛЯТОРАМИ РОСТА Bacillus spp.: МЕХАНИЗМЫ РЕАЛИЗАЦИИ И ПРАКТИЧЕСКАЯ ЗНАЧИМОСТЬ (обзор)

Ласточкина, О.В.

doi:10.15389/agrobiology.2021.5.843rus

S-h. biol.

2021

DOI: 10.15389/agrobiology.2021.5.843rus

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АДАПТАЦИЯ И УСТОЙЧИВОСТЬ РАСТЕНИЙ ПШЕНИЦЫ К ЗАСУХЕ, ОПОСРЕДОВАННАЯ ПРИРОДНЫМИ РЕГУЛЯТОРАМИ РОСТА Bacillus spp.: МЕХАНИЗМЫ РЕАЛИЗАЦИИ И ПРАКТИЧЕСКАЯ ЗНАЧИМОСТЬ (обзор)

О.В. Ласточкина¹

Abstract: Абиотические факторы среды, приводящие к дефициту влаги, значительно ограничивают производство основных сельскохозяйственных культур во всем мире (Z. Ahmad с соавт., 2018). В условиях быстрого роста численности населения и изменения климата важно обеспечить продовольственную безопасность, которая в основном возможна за счет повышения продуктивности стратегически важных зерновых культур, включая пшеницу, которая используется человеком во многих регионах мира и обеспечивает более 50 % потребности в пищевой энерг… Show more

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Cited by 6 publications

References 82 publications

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Evaluation of the Influence of the Use of Biological Preparations During the Vegetation Period on the Microbiome of Spring Wheat Seeds

Diabankana

Сафин

2023

Agrobiotechnologies and Digital Farming

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An assessment is made of the effect of spraying plants with biological products on the total microbiome of seeds of a new crop. The studies were carried out on three varieties of spring wheat of domestic breeding - Yoldyz, Burlak and Ulyanovsk-105. Preparations based on strains of endophytic bacteria isolated from seeds of spring wheat (Bacillus mojavensis PS17, Bacillus velezensis KS25) and spring barley (Bacillus velezensis KS31, Bacillus subtilis KS38) were used as biological preparations. The treatment of spring wheat crops was carried out in the phase of entry into the tube using the biological product consumption rate of 1.0 l/ha. The impact of treatments on the fungal and bacterial microbiome was assessed using quantitative PCR methods with the determination of the total (total) DNA of microorganisms per unit weight of seeds. In most cases, the use of treatment with endophytic bacteria reduces the amount of total micromycete DNA on seeds. Among the studied isolates, the Bacillus subtilis KS-38 strain was especially distinguished, which provided a significant (7.7-11.1 times) decrease in this indicator in all varieties. Bacillus mojavensis PS-17 had a significant effect (a decrease of almost 47 times) on the Ulyanovska 105 variety, and Bacillus velezensis KS-31 on the Burlak variety. On varieties Yoldyz and Ulyanovska 105, the most significant decrease in the total DNA of micromycetes was noted for endophytes obtained from spring wheat seeds (Bacillus mojavensis PS-17, Bacillus velezensis KS-25), and on variety Burlak, endophytes from spring barley seeds (Bacillus velezensis KS-31 and Bacillus subtilis KS-38). The decrease in the total DNA of micromycetes in the experiments was due to the use of the studied biological products and, to a lesser extent, varietal characteristics. For the bacterial microbiome, there were strong differences between varieties. A significant increase in the total DNA of bacteria in all studied varieties was in Bacillus mojavensis PS-17 and Bacillus velezensis KS-31. The variety (29.9%) made the greatest contribution to the variability in the content of total bacterial DNA in seeds, and the contribution of biological preparations was lower (25.5%). In the experiments, no correlation was found between the indicators of the total DNA of micromycetes and bacteria in spring wheat seeds.

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Evaluation of the Influence of the Use of Biological Preparations During the Vegetation Period on the Microbiome of Spring Wheat Seeds

Diabankana

Сафин

2023

Agrobiotechnologies and Digital Farming

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Effect of biofertilizers and osmotic stress on morphological parameters of spring barley seedlings

Panfilov

Abdrashitov²

2022

Vestn. Ross. univ. družby nar., Ser. Agron. životnovod.

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One of ways to increase resistance of agricultural plants to abiotic stresses is the use of biofertilizers with anti-stress and growth-regulating properties. They improve absorption of nitrogen and phosphorus from organic fertilizers and soil. The purpose of the research was to study sowing qualities of seeds, morphological indicators of spring barley seedlings after presowing seed treatment with biofertilizers under conditions of sufficient humidification and osmotic stress. The laboratory experiment was carried out to study the effect of biofertilizers on seedlings of spring barley ( Hordeum vulgare L.) cv. Gubernatorsky under conditions of sufficient and insufficient humidification. The barley seeds were treated once according to the following scheme: 1. control (distilled water) 10 L/t; 2. Gumi 20 M potash (0.4 L/t); 3. Borogum-M complex (0.2 L/t); 4. PEG 6000 (100 g/L); 5. Gumi 20 M (0.4 L/t) + PEG 6000 (100 g/L); 6. Borogum-M complex (0.2 L/t) + PEG 6000 (100 g/L). Treatment of spring barley seeds with biofertilizers increased the germination rate and germination capacity by 35 and 2 %, respectively. When modeling drought using PEG-6000, the sowing qualities of seeds decreased by 4 %. Under conditions of sufficient humidification, the studied biofertilizers had a complex positive effect on shoot and root weight of barley seedlings. In addition, the average length of roots, shoots and the total root length increased. The number of roots did not change significantly. Lack of moisture decreased the effectiveness of Borogum-M complex biofertilizer, while Gumi 20 M potassium biofertilizer had a positive effect on the parameters of barley seedlings under water stress conditions.

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Biofungicides in the Spring Wheat Cultivation Practices

Vlasenko,

Burlakova,

Egorycheva

2023

Russ. Agricult. Sci.

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АДАПТАЦИЯ И УСТОЙЧИВОСТЬ РАСТЕНИЙ ПШЕНИЦЫ К ЗАСУХЕ, ОПОСРЕДОВАННАЯ ПРИРОДНЫМИ РЕГУЛЯТОРАМИ РОСТА Bacillus spp.: МЕХАНИЗМЫ РЕАЛИЗАЦИИ И ПРАКТИЧЕСКАЯ ЗНАЧИМОСТЬ (обзор)

Cited by 6 publications

References 82 publications

Evaluation of the Influence of the Use of Biological Preparations During the Vegetation Period on the Microbiome of Spring Wheat Seeds

Evaluation of the Influence of the Use of Biological Preparations During the Vegetation Period on the Microbiome of Spring Wheat Seeds

Effect of biofertilizers and osmotic stress on morphological parameters of spring barley seedlings

Biofungicides in the Spring Wheat Cultivation Practices

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