Vegetation Conditions and Duration of Interphase Vegetation Periods of Spring Soft Wheat in Dry Conditions

Бесалиев, И. Н.; Panfilov, A. L.; Reger, N. S.

doi:10.18286/1816-4501-2021-4-19-24

Cited by 2 publications

(2 citation statements)

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“…Водоудерживающая способность -это основное свойство растений накапливать и удерживать влагу в тканях относительно продолжительное время; чем медленнее растение теряет воду, тем выше его водоудерживающая способность [4].…”

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Drought resistance parameters of some representatives of the genus Tilia L. during introduction and in urban plantations

Murzabulatova¹,

Polyakova²

2023

Agrarian Bulletin of The

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Abstract. Drought resistance of plants is the key to successful cultivation of new taxa under climatic conditions. Linden is a valuable ornamental, melliferous and medicinal woody plant, often used for landscaping certain areas. The purpose is the determination of indicators of drought resistance of some species and varieties of lindens from the collection of the South Ural Botanical Garden-Institute of the Ufa Federal Research Center of the Russian Academy of Sciences in the conditions of introduction and urban environment. Methods. The objects of research were 3 species, 1 cultivar and 1 form of the linden collection (Tilia cordata Mill., T. caucasica Rupr., T. × europaea L. f. vitifolia (Host) V. Engl., T. platyphyllos Scop. ‘Aurea’, T. taquetii C. K. Schneid.), as well as specimens of Tilia cordata from urban plantations in Ufa. The total water content, water-holding capacity and the amount of mobile moisture in the leaves are found according to generally accepted methods. Results. The indicators of drought resistance of linden species and cultivars under the conditions of introduction and the urban environment have been determined. It has been established that almost all taxa are sufficiently drought-resistant in the climatic conditions of Ufa. The maximum indicators of water content and water-holding capacity, as well as the minimum amount of mobile moisture, were found in the variety T. platyphyllos ‘Aurea’ from the collection of the botanical garden (70.2 %, 30.7 %, 39.4 %, respectively). It has been confirmed that T. cordata from urban greenery tolerates technogenic loads well; some indicators of drought resistance of this species are higher than in the botanical garden. T. taquetii turned out to be the least drought-resistant of all the taxa studied, which is probably due to sharp differences in the climatic conditions of natural origin from the conditions of introduction. Scientific novelty. For the first time for the city of Ufa, comparative studies of the drought resistance of some representatives of the genus Tilia under the conditions of introduction and the urban environment were carried out.

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Drought resistance parameters of some representatives of the genus Tilia L. during introduction and in urban plantations

Murzabulatova¹,

Polyakova²

2023

Agrarian Bulletin of The

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“…Корневая система яровой пшеницы способна резко изменяться в зависимости от условий произрастания [15,16,17]. Для ее развития необходимо достаточное увлажнение почвы [18,19,20]. Корневая система яровой пшеницы лучше растет когда температура почвы ниже, чем температура воздуха, на 6…8 о С, а иногда на 10…12 о С [21].…”

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Features of Meteorological Factors Regime in the Forest Area of “Carbon-Povolzhye” Carbon Polygon

Auhadeev,

Mustafina,

Lukmanov

2024

Vestnik of Kazan State Agrarian University

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Research has been carried out to identify the optimal sowing depth of spring wheat seeds in the conditions of the Kama region of the Republic of Tatarstan. The work was carried out in 2019-2020 on gray forest soil with a humus content (according to Tyurin) of 3.1...3.4%, mobile forms of phosphorus and potassium (according to Kirsanov) - 101...175 and 78. ... 150 mg/1000 g of soil, pH of the salt extract - 5.9...6.0 units. The research material was spring wheat variety Ulyanovskaya 105. The experimental design included 6 variants with seed placement depths in the soil of 2, 3, 4, 5, 6 and 7 cm. Sowing was carried out in the first ten days of May using a Wintersteiger seeder with a seeding rate of 6 million pcs/ha. During pre-sowing cultivation, mineral fertilizers were applied at a dose of N70...74P57...63K28...30 for a planned yield of 3 t/ha. In 2019, from May to August, the precipitation rate fell by 1.5 times (GTS = 1.36); in 2020, the amount was at a normal level (GTS = 1.13). The greatest density of plants during seedlings and before harvesting was noted at a sowing depth of 4 and 5 cm (86.2...89.8%). In the same experimental variants, the largest leaf surface area was observed (30.9 and 31.4 thousand m2/ha). On average, over 2 years, the highest yield was formed at a seed placement depth of 4 and 5 cm - 3.2 and 3.02 t/ha. With shallower (2 cm) and deeper (7 cm) planting, it decreased compared to the optimal options by 0.43...0.47 t/ha.

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Vegetation Conditions and Duration of Interphase Vegetation Periods of Spring Soft Wheat in Dry Conditions

Cited by 2 publications

References 2 publications

Drought resistance parameters of some representatives of the genus Tilia L. during introduction and in urban plantations

Drought resistance parameters of some representatives of the genus Tilia L. during introduction and in urban plantations

Features of Meteorological Factors Regime in the Forest Area of “Carbon-Povolzhye” Carbon Polygon

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