Estimation of the degree of stability of grape varieties in arid conditions of the Astrakhan region

Abstract. Scientific novelty and practical significance. Due to the presence of a strong root system, the grapes are a rather drought-resistant crop, but the lack of soil and air moisture adversely affects the growth and development of the plant, which ultimately significantly reduces the yield. In the soil and climatic conditions of the Astrakhan region, characterized by a high degree of aridity, as well as the presence of light chestnut structureless soils that retain moisture poorly, the study of the drought tolerance of grape varieties is particularly relevant. The purpose of the research was to study the degree of drought tolerance of grape varieties to identify the adaptive mechanisms of plants in the arid conditions of the region. To achieve the goal, the following tasks were solved: determination of the total water content in the leaves and the relative turghorescence of the leaves; determination of water deficiency in the leaves; determination of water-holding capacity of leaves, as the main indicator of drought resistance. Methods. The object of research was 12 grape varieties of various technological orientations grown on the territory of the vineyard of the Caspian Agrarian Federal Scientific Center of the Russian Academy of Sciences. Were investigated early ripe varieties (Vostorg, Astrahanskij skorospelyj, Madlen muskatnyj, Koroleva vinogradnikov, Shasla belaya, Bianka, Fioletovyj rannij) and mid-season varieties (Kishmish Luchistyj, Husajne rozovyj, Levokumskij). For control were taken: Kodryanka – for early ripe varieties; Karamol – for varieties of medium ripening. The experience laid down by the method of B.A. Dospehov. The scheme of planting bushes 1250.0 pcs/ha. Formation of bushes – fan, four-sleeve. Irrigation was carried out on furrows with a norm of 600.0–800.0 m3/ha. To assess the adaptive resistance of grape varieties to drought, we determined: the total water content in the leaves, the relative turborescence of the leaves according to the Witherly method, the water deficit in the leaves according to the Litvinov method, and the water retention capacity according to the Eremeev method. Results. The lowest water deficit in the group of early ripening varieties was found in the varieties Kodryanka, Madlen muskatnyj and Koroleva vinogradnikov (4.9–5.7 %); in the group of middle-ripening varieties, the varieties are Levokumskij and Kishmish Luchistyj (4.7–5.0 %). As a result of the research, 7 varieties with a high degree of drought resistance were identified: Kodryanka, Astrahanskij skorospelyj, Koroleva vinogradnikov, Shasla belaya, Karamol, Kishmish Luchistyj and Husajne rozovyj.

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The study of the water regulation mechanisms in the winter bread wheat varieties under an acute drought

Grain Economy of Russia ◽

10.31367/2079-8725-2021-76-4-3-7 ◽

2021 ◽

pp. 3-7

Author(s):

V. А. Golubova ◽

V. L. Gaze

Keyword(s):

Water Content ◽

Water Deficit ◽

Bread Wheat ◽

Drought Resistance ◽

Water Regime ◽

Total Water Content ◽

Total Water ◽

Wheat Varieties ◽

Winter Bread Wheat ◽

Study Results

Water regime of plants, characteristic of a certain variety, largely determines the resistance of plants to drought. Drought affects, first of all, such indicators as water absorption capacity, water retention capacity, water deficit and changes in total water content in the process of ontogenesis. Studying and taking into account a number of parameters of water regime can significantly increase the reliability of the assessment of plants for drought resistance. The purpose of the current study was to investigate the water regime of the winter bread wheat varieties under an acute drought and to select promising samples for breeding for drought resistance. The objects for the study were 7 winter bread wheat varieties developed by the FSBSI “Agricultural Research Center “Donskoy”. The study was carried out on the experimental plot (zasushnik) of the laboratory for plant physiology under an acute drought of 30% PV in 2017–2019. According to the study results, there have been identified the varieties ‘Zhavoronok’, ‘Volnitsa’ and ‘Volny Don’, which were characterized by the largest increase in water-absorbing capacity (from 40.0 to 41.1%); by a minimum increase in water deficit (1.3–2.1%); by the smallest decrease (3.2–3.8%) in the total water content in fibers due to adaptability to water stress conditions in spite of increasing drought. There has been recommended to introduce these samples into the breeding process aimed at developing drought-resistant winter bread wheat varieties.

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Indicators of the water regime of some varieties of chrysanthemums in the conditions of the South Ural

Samara Journal of Science ◽

10.17816/snv2021101108 ◽

2021 ◽

Vol 10 (1) ◽

pp. 57-64

Author(s):

Svetlana Galimullovna Denisova ◽

Antonina Anatolyevna Reut

Keyword(s):

Water Content ◽

Water Deficit ◽

Water Regime ◽

Water Holding Capacity ◽

Research Centre ◽

Total Water Content ◽

Total Water ◽

The South ◽

Irreversible Damage ◽

Water Holding

In introduction studies, it is of great importance to determine how favorable the water balance of the studied species is under given environmental conditions. The aim of the research was to study the water regime of some varieties of chrysanthemums in the conditions of the Southern Ural. The study was conducted in 20182020 on the basis of the South-Ural Botanical Garden-Institute of the Ufa Federal Research Centre of Russian Academy of Sciences. The objects of the study were 23 varieties of Chrysanthemum hortorum Bailey. In the course of the research, the total water content, water-holding capacity, the content of mobile moisture, water deficit, and sublethal water deficit were determined. The analysis of water regime indicators is based on the method of artificial wilting (V.N. Tarenkov, L.N. Ivanova) and the method of saturation of plant samples (V.P. Moiseev, N.P. Reshetsky). Sublethal water deficit was determined by the method of T.K. Goryshina, L.I. Samsonova, modified by N.I. Bobrovskaya. The calculations were carried out by standard methods using statistical packages of the Microsoft Excel 2003 and the Agros 2.13 program. The studies made it possible to determine the value of the sublethal water deficit (28,4%) for the varieties of chrysanthemums in the conditions of the Bashkir Ural. It was found that the studied varieties during the growing season did not experience such a moisture deficit in the tissues that could lead to irreversible damage to the assimilating organs. Our experiments showed that chrysanthemum varieties in the Bashkir Cis-Ural under the same soil-climatic and agrotechnical conditions had the following range of indicators of total water content 70,090,4% and water-holding capacity 19,0064,6%. The analysis of variance revealed significant differences between water-holding capacity and the content of mobile moisture by varieties, the share of influence was 27,8531,71%. As a result of the correlation-regression analysis, the authors revealed a direct dependence of the indicators of mobile moisture content on the total water content, and an inverse one on the indicators of the content of mobile moisture and water-holding capacity.

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Determination of total water content in inulin using the volumetric Karl Fischer titration

Talanta ◽

10.1016/j.talanta.2006.02.024 ◽

2006 ◽

Vol 70 (5) ◽

pp. 1006-1010 ◽

Cited By ~ 19

Author(s):

Sébastien N. Ronkart ◽

Michel Paquot ◽

Christian Fougnies ◽

Claude Deroanne ◽

Jean-Claude Van Herck ◽

...

Keyword(s):

Water Content ◽

Total Water Content ◽

Total Water ◽

Karl Fischer Titration ◽

Karl Fischer

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Water regime parameters in Chrysanthemum

TAURIDA HERALD OF THE AGRARIAN SCIENCES ◽

10.33952/2542-0720-2021-2-26-74-88 ◽

2020 ◽

Vol 2(26) ◽

pp. 74-88

Author(s):

S.G. Denisova ◽

◽

A.A. Reut ◽

Keyword(s):

Water Content ◽

Water Deficit ◽

Water Regime ◽

Water Holding Capacity ◽

Total Water Content ◽

Total Water ◽

Irrigation Frequency ◽

Resistant Varieties ◽

The Republic ◽

Water Holding

In introduction studies, it is urgent to determine how favorable the water balance of the species studied is under defined environmental conditions. The research aimed to scrutinize the water regime of Chrysanthemum × hortorum Bailey and select drought-resistant varieties to replenish the range of plants used for floriculture in the Republic of Bashkortostan on grey forest (Haplic Greyzems) loamy soil. The studies were conducted in 2018‒2020. Irrigation frequency – twice a week. After each watering, soil loosening was carried out. One week before sampling for analysis, we stopped watering flowers. Water regime indicators were analyzed according to the method of artificial wilting (V. N. Tarenkov et al. 1990) and methodology of saturation of plant samples (V. P. Moiseev et al. 2009). Sublethal water deficit was determined by the method of T. K. Goryshina et al. 1965 modified by N. I. Bobrovskaya 1971. Observations and analyses were carried out once a month from May to September in the regrowth, budding and flowering phases. The value of the sublethal water deficit was clarified (28.4 %). During the growing season, the varieties did not experience irreversible moisture deficit in the tissues. Chrysanthemum varieties under identical soil-climatic and agrotechnical conditions had the following range of indicators of total water content and water-holding capacity – 70.0‒90.4 % and 19.00‒64.6 %, respectively. It indicates a considerable degree of adaptation. Analysis of variance revealed that varietal differentiation significantly affects the indicators of the water regime; the share of influence varied from 21.17 to 31.72 %. Direct dependence of the indicators of the content of ‘mobile’ moisture on the total water content (y = 0.74x – 21.377) was revealed, as well as the inverse one ‒ the indicators of the content of ‘mobile’ moisture and water-holding capacity (y = 0.74x – 21.377). According to the scale developed by Denisova S. G. and Reut A. A. (2020), four highly drought-tolerant varieties ‘Volny Agideli’, ‘Regina’, ‘Sakmara’, ‘Bardo’ were identified.

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Study of the influence of adaptogens on the water regime of some varieties of the genus Chrysanthemum L. during the introduction into the Bashkir Pre-Urals

Agrarian Bulletin of the ◽

10.32417/1997-4868-2020-202-11-2-13 ◽

2020 ◽

Vol 202 (11) ◽

pp. 2-13

Author(s):

Svetlana Denisova ◽

Antonina Reut

Keyword(s):

Water Content ◽

Water Deficit ◽

Water Retention ◽

Water Regime ◽

Botanical Garden ◽

Moisture Loss ◽

Water Retention Capacity ◽

Total Water Content ◽

Total Water ◽

Retention Capacity

Abstract. Purpose. Study of the effect of anti-stress adaptogens on the water regime of some varieties of chrysanthemum in the conditions of the Bashkir Pre-Urals. Methodology and methods. The analysis of indicators of water regime is based on the method of artificial wilting (V. N. Tarenkov, L. N. Ivanova) and the method of saturation of plant samples (V. P. Moiseev, N. P. Reshetskiy). Plants were processed once, and samples were taken in three terms. Calculations were carried out by standard methods using statistical packages of the Microsoft Excel 2003 and the Agros 2.13. Results. The dynamics of indicators of the water regime during the treatment with the preparations “Gumi-20” and “Oberig” is analyzed. An assessment of the total water content, water retention capacity, daily moisture loss and water deficit of ten varieties of chrysanthemum bred by the South-Ural Botanical Garden-Institute of UFRC RAS (SUBGI UFRC RAS) in the period under study is given. Studies have shown that varieties of chrysanthemum in the Bashkir Ural under the same soil-climatic and agrotechnical conditions had the following indicators: total water content ‒ 69.4–86.9 %, water-holding capacity ‒ 25.6–53.8 %, daily moisture loss ‒ 17.2–61.0 %, water deficit ‒ 10.9–13.2 %. The use of anti-stress adaptogens did not have a significant effect on the parameters of the water regime, or their effect was variety-specific. As a result of the correlation-regression analysis, inverse relationships were revealed between the indicators of water deficit and the total water content, as well as between the daily water loss and water retention capacity. Scientific novelty. For the first time, the water regime of varieties of chrysanthemum of the SUBGI UFRC RAS selection was studied, the dependences of the water regime indicators were revealed, and the assessment of the expediency of using anti-stress adaptogens for certain varieties in the conditions of the Bashkir Pre-Urals was given.

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Rapid Spectroscopic Determination of Total Water Content

Analytical Chemistry ◽

10.1021/ac60070a051 ◽

1952 ◽

Vol 24 (10) ◽

pp. 1657-1657 ◽

Cited By ~ 4

Author(s):

H. J. Morowitz ◽

H. P. Broida

Keyword(s):

Water Content ◽

Spectroscopic Determination ◽

Total Water Content ◽

Total Water

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VARIABILITY AND HERITAGE OF MORPHOPHYSOLOGICAL SYMPTOMS IN BIOLOGICAL PLANTS IN THE PROCESS OF SELECTION OF SUNBULL PLANTS

EPRA International Journal of Research & Development (IJRD) ◽

10.36713/epra9169 ◽

2021 ◽

pp. 89-93

Author(s):

Aytjanov Baxytjan Uzaqbaevich ◽

Seytbaev Rauaj Sarsenbaevich ◽

Aytjanov Uzaqbay Eshanovich

Keyword(s):

Drought Tolerance ◽

Water Supply ◽

Water Content ◽

Water Regime ◽

Total Water Content ◽

Total Water ◽

Selection Of

The total water content, dominance and flexibility coefficients in the leaves of F1- F2- F3 plants of hybrid combinations obtained from simple and complex hybridization to create a water-resistant selection material of sunflower from oilseeds were studied. This study showed that this trait is inherited differently in simple and complex F1, F2 and F3 hybrids under different water regime conditions, with F2 hybrid combinations varying depending on the dominance coefficients and water supply conditions in hp as well as the composition of the parent forms of hybrids. The plants showed that the total amount of water in the leaves depends not only on the conditions of water supply but also on the genotypic composition KEYWORDS: Sunflower, morphophysiological, heredity, hybrid, drought tolerance, yield, seed core, ripening, cohesion, variability, hybridological analysis.

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A new sample collection method for the assessment of the percentage of water absorbed in frozen and quick-frozen poultry cuts (chicken breasts with skin)

Analytical Methods ◽

10.1039/c6ay00890a ◽

2016 ◽

Vol 8 (39) ◽

pp. 7080-7086

Author(s):

Leonardo Rodrigo Fonseca Tigre Maia ◽

Sergio Borges Mano ◽

Eliane Teixeira Mársico ◽

Carlos Adam Conte Júnior ◽

Carlos Frederico Marques Guimarães ◽

...

Keyword(s):

Water Content ◽

Total Water Content ◽

Total Water ◽

Sample Collection ◽

Protein Ratio ◽

Collection Method ◽

The Mean

The determination of the mean physiological water/protein ratio of samples obtained from homogenized poultry cuts using a powerful mincer is an efficient way of determining their total water content.

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