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Wyszukujesz frazę "Nikolic, R. R." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Vitamin and mineral content in black currant (Ribes nigrum L.) fruits as affected by soil management system
Autorzy:
Paunović, S.M.
Nikolić, M.
Miletić, R.
Mašković, P.
Powiązania:
https://bibliotekanauki.pl/articles/11543572.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
Black currant contain significant amounts of minerals and vitamins that are associated with an improved health status. The effect of three soil management system (bare fallow, sawdust mulch and black foil mulch) on the content of vitamins and minerals in the fruits of seven black currant cultivars (‘Ben Lomond’, ‘Ben Sarek’, ‘Titania’, ‘Čačanska Crna’, ‘Tisel’, ‘Tiben’ and ‘Tsema’) was analyzed. HPLC-DAD (high performance liquid chromatography-diode array detector) technique was used to define the vitamins A, B1, B2 and B3. Vitamin C were evaluated using a spectrometer, whereas the mineral content of the fruit was determined by flame atomic absorption spectrometry. Significant differences in the minerals and vitamins content were detected among the cultivars. The berries of black currants are rich in mineral composition, especially potassium, phosphours, sodium, calcium and magnesium as well as iron. Also, black currant is an important source of vitamin C and, to a lesser amount vitamins A and B3. Soil management systems showed highly significant differences in some the tested parameters. Black currants grown on black foil mulch gave the highest levels of K, P and Na, and those on sawdust mulch had a high content of vitamins C, A and B3. On the other hand, soil management system had no pronounced effect on the other vitamins and minerals analyzed. This study demonstrates degree of differences in the amount vitamins and mineral elements depending on the different soil management systems and climatic factors.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 5; 135-144
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unusual growth of pollen tubes in the ovary of quince (Cydonia oblonga Mill.)
Autorzy:
Radović, A.
Nikolić, D.
Cerović, R.
Milatović, D.
Đorđević, B.
Zec, G.
Powiązania:
https://bibliotekanauki.pl/articles/11543531.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
This paper presents the results of a three-year research (2010–2012) of unusual growth of pollen tubes in the ovary in eight cultivars of quince in two pollination variants (self-pollination and open-pollination). Unusual behavior of pollen tubes growth could be seen in all parts of the ovary, and it was most often manifested by larger or smaller branching and the formation of bundle in the ovary, without signs of further penetration of pollen tubes to the ovule. In addition, in a small number of cases, branching of the pollen tubes, as well as bypassing micropyle and forming swellings at the tips of the pollen tube was noticed. There were also the cases where the pollen tube filled embryo sac forming a bundle in it. The occurrence of unusual growth of pollen tubes in the quince ovary was primarily dependent on the genotype and pollination type. This phenomenon was more expressed in open-pollination than in self-pollination variant in all examined cultivars. Leskovacka cultivar was characterized by the highest percentage of unusual growth of pollen tubes in both variants of pollination, as follows: 13.23% (self-pollination) and 15.89% (open-pollination).
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2017, 16, 2; 133-138
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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