Физиолого-Биохимические Критерии Устойчивости Яблони К Абиотическим Стрессам Летнего Периода

Nenko, N.I.; Kiseleva, G.K.; Ульяновская, Е. В.; ЯБЛОНСКАЯ, Е.К.; Karavaeva, A.V.

doi:10.15389/agrobiology.2019.1.158rus

S-h. biol.

2019

DOI: 10.15389/agrobiology.2019.1.158rus

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Физиолого-Биохимические Критерии Устойчивости Яблони К Абиотическим Стрессам Летнего Периода

N.I. Nenko¹,

G.K. Kiseleva²,

Е. В. Ульяновская³

et al.

Abstract: В Северо-Кавказском регионе Российской Федерации, где засуха-частое явление, яблоня стала одной из важнейших садовых культур. Физиолого-биохимические исследования необходимы для объективной оценки адаптационной устойчивости сортов яблони к стрессорам летнего периода, в частности к летней засухе. Цель настоящей работы-по физиолого-биохимическим и анатомическим параметрам листа изучить особенности водного режима, фотосинтетической деятельности яблони в условиях летнего периода, а также выделить наиболее засухоус… Show more

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Comparative analysis of introduced apricot forms in the conditions of the Orenburg Pre-Urals

Beskopilnaya

Аминова

2020

Plodovodstvo i âgodovodstvo Rossii

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The article the contribution the study of tolerance of apricot forms to water deficiency and high temperature. The research was carried out in 2018-2019 on the basis of the Orenburg Experimental Station of Horticulture and Viticulture of All-Russian Horticultural Institute for Breeding, Agrotechnology and Nursery. During the research, 6 forms of apricot were studied (OR-1-1, OR-1-2, OR-4-3, OR-4-39, OR10-5, OR-10-6), the planting scheme was 5×4 m. The soil cover of the experimental site is southern Chernozem, low-humus, low-power, washed away. According to the results of laboratory studies, apricot forms with a low water loss limit of OR-1-2 (41.6 %) and OR-4-3 (45.2 %) were identified. The maximum parameter for relative turgor was observed in the Chelyabinskii rannii (St) variety (97.4 %) and the OR form-4-3 (98.9 %). Analysis of heat resistance revealed that all the studied forms and varieties of apricot (Chelyabinskii rannii) at a temperature of +50 °C had leaf browning of more than 80 %. According to the results of a two-year field experiment, it was found that the forms of apricot OR-4-3 and OR-4-39 had a high productivity of 34.0-36.0 and 33.7-38.9 kg per tree, respectively. The forms OR-1-2, OR-4-3 and OR-4-39 are most adapted to the local climate and are of interest for cultivation and further breeding work in the conditions of the Orenburg Pre-Urals.

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Comparative analysis of introduced apricot forms in the conditions of the Orenburg Pre-Urals

Beskopilnaya

Аминова

2020

Plodovodstvo i âgodovodstvo Rossii

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Study of Heat and Drought Resistance of Prunus Cerasus L.

Ожерельева

Ефремов

2020

Plodovodstvo i âgodovodstvo Rossii

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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

Denisova¹,

Reut²

2020

Agrarian Bulletin of The

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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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Физиолого-Биохимические Критерии Устойчивости Яблони К Абиотическим Стрессам Летнего Периода

Cited by 4 publications

References 11 publications

Comparative analysis of introduced apricot forms in the conditions of the Orenburg Pre-Urals

Comparative analysis of introduced apricot forms in the conditions of the Orenburg Pre-Urals

Study of Heat and Drought Resistance of Prunus Cerasus L.

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

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