Fractional composition of water in leaves of apple varieties (Malus Mill)

Authors

  • А. М. Галашева FGBNU All-Russian Research Institute of Fruit Crop Breeding, Russian Federation https://orcid.org/0000-0001-8795-9991
  • Н. Г. Красова FGBNU All-Russian Research Institute of Fruit Crop Breeding, Russian Federation https://orcid.org/0000-0001-7896-0149
  • Т. В. Янчук Государственное научное учреждение Всероссийский научно-исследовательский институт селекции плодовых культур Россельхозакадемии, Russian Federation

DOI:

https://doi.org/10.21498/2518-1017.1(18).2013.58697

Keywords:

яблуня, сорт, засуха, адаптація, вільна і зв’язанна вода.

Abstract

In connection to the climate changing and draught frequency increasing in the spring-summer period the fractional composition of water (combined and uncombined water) in leaves of apple from May to August 2011, 2012 were studies. Combined and uncombined waters have different functionality for the life of plants. An uncombined water in leaves determines intensity of physiologic processes while the combined is responsible for plants resistance to unfavorable conditions. The fractional composition of water was studied in apple leaves of varieties bred by All-Russian Research Institute for Fruit Crop Breeding of RAAS, Bolotovskoye, Irmus, Orlik, Orlovim, Orlovskoye Polosatoye, Sinap Orlovskiy, Yubiliar in comparision to widespread varieties – Antonovka, Melba and Welsi. The study established that the varieties examined were well-adapted to drought in May, at the beginning of summer, as well as at the end of August and in September. At the beginning of July and in June higher indices of drought resistance were registered for Orlovim and Yubiliar, with the highest indices of combined water content. The completion of shoots growth and development of leaves system in all apple varieties was associated with increase of combined water amount in the leaves in August. In September, the number of combined water remained higher that suggested high adaptivity of the varieties being studied. The highest content of combined water in autumn was registered for Sinap Orlovskiy, Antonovka, Boltovskoie, Irmus.

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Author Biographies

А. М. Галашева, FGBNU All-Russian Research Institute of Fruit Crop Breeding

A. Galasheva

Н. Г. Красова, FGBNU All-Russian Research Institute of Fruit Crop Breeding

N. Krasova

Т. В. Янчук, Государственное научное учреждение Всероссийский научно-исследовательский институт селекции плодовых культур Россельхозакадемии

T. Yantchuk

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Published

2013-02-12

How to Cite

Галашева, А. М., Красова, Н. Г., & Янчук, Т. В. (2013). Fractional composition of water in leaves of apple varieties (Malus Mill). Plant Varieties Studying and Protection, (1(18), 18–21. https://doi.org/10.21498/2518-1017.1(18).2013.58697

Issue

No. 1(18) (2013)

Section

VARIETY STUDYING AND VARIETY SCIENCE

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