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    Wyświetlanie 1-6 z 6
    Tytuł:
    Genotypic differences of olive in reproductive characteristics and fruit yield response to deficit irrigation
    Autorzy:
    Gholami, R.
    Zahedi, S.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/12304831.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Iran
    plant cultivation
    olive tree
    Olea europaea
    fruit yield
    genotype difference
    reproductive trait
    yield response
    deficit irrigation
    Opis:
    Water is the most important environmental factor in growth and fruit yield of trees. To study the effect of deficit irrigation on reproductive characteristics and yield of seven superior olive genotypes of D1, Dd1, Gw, Ps1, Bn3, Bn6, and Ds17. The present research was accomplished in Dallaho Olive Research Station of Sarpol-e zahab, Kermanshah, Iran, in 2014 and 2015. Seven superior olive genotypes were studied in a randomized complete block design with three replicates and three irrigation regimes. The irrigation treatments included: 100% full irrigation (control), 75% deficit irrigation, and 50% deficit irrigation applied during the growth season. The results indicated that the genotypes had different reactions to the deficit irrigation regimes. Dd1 had the highest fruit weight, while the lowest fruit weight was observed in Ps1 and Gw. The highest fruit yield was found in Bn3, Bn6, and Dd1, while the lowest was observed in Ps1. As a result, Bn6 and Dd1 are introduced as the genotypes that are resistant to drought in the field.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 5; 123-129
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of genotype x environment on maize root traits
    Wpływ interakcji genotypowo-środowiskowej na cechy korzeni kukurydzy
    Autorzy:
    Lipski, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/798621.pdf
    Data publikacji:
    2002
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    maize
    plant cultivation
    genotype
    environment
    root system
    plant growth
    plant development
    productivity
    plant breeding
    environmental effect
    Opis:
    Root system quality is very important for maize growth, development and productivity. The maize breeding, generally, is focused on the performance of aboveground part of plant. It is interesting to compare the relationship between root and shoot of maize studied in divergent conditions. Results of the study of the effects of climatic regimes on variations among maize genotypes were described in paper. The genotype x environment interaction (GEI) are analysed through factorial regression models in order to explicate of the effects of environmental factors on root growth. Chosen statistical method is very helpful tool to evaluate the environmental effect on genetic variability of maize root traits. There was confirmed significant effect of GEI on the root traits. GxE interaction has simply interpretation, because it can be described by the use of linear relations among covariates. It concerns soil and air temperature and water availability (EVTP or rainfall amount).
    Jakość systemu korzeniowego jest bardzo istotna dla rozwoju i plonowania kukurydzy. Hodowla kukurydzy, na ogół, skupia się na doskonaleniu cech części nadziemnej rośliny. Interesujące jest porównanie zależności pomiędzy parametrami korzeni i łodygi badanych w zróżnicowanych warunkach. W opracowaniu opisano rezultaty badań wpływu kontrastujących warunków środowiskowych na zmienność pomiędzy genotypami kukurydzy. Interakcja GE jest analizowana przy pomocy regresji czynnikowej dla wytłumaczenia wpływu czynników środowiskowych na wzrost korzeni. Wybrana metoda statystyczna jest bardzo pomocnym narzędziem oceny wpływu efektu środowiskowego na genetyczną zmienność cech korzeni kukurydzy. Stwierdzono istotność wpływu GEI w przypadku cech korzeni. Interakcja GxE ma prostą interpretację, ponieważ może być opisana przy użyciu zależności liniowych pomiędzy zmiennymi stowarzyszonymi, dotyczy to temperatury gleby i powietrza oraz dostępności wody (wielkość ewapotranspiracja lub opadów).
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 2002, 481, 1
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The comparison of antioxidant compounds and mineral content in some pomegranate (Punica granatum L.) genotypes grown in the East of Turkey
    Autorzy:
    Okatan, V.
    Çolak, A.M.
    Güçlü, S.F.
    Gündoğdu, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/11855314.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Turkey
    plant cultivation
    pomegranate
    Punica granatum
    antioxidant compound
    antioxidant content
    phenolic compound
    mineral content
    plant genotype
    Opis:
    In recent times, pomegranate has been one of Turkey’s most important commercial fruit crops for consumption and export. In this study, the chemical composition of pomegranate (Punica granatum L.) fruits grown in the central area of Bitlis province (Eastern Turkey) was investigated. For this purpose, total phenolic content, ascorbic acid content, total anthocyanin and antioxidant activity and minerals content were evaluated. The highest total phenolic contents were determined in 13BIT1 (6477.78 mg gallic acid equivalents 100 g–1 fresh matter). The highest ascorbic acid was determined in 13BIT2 of pomegranate genotype (60.78 mg 100 g–1). Radical scavenging activity (DPPH) were determined between 13BIT18 (78.15) to 13BIT1 (31.49). Total anthocyanin of genotypes was measured between 13BIT19 (156.03) to 13BIT17 (55.37), respectively. The highest mineral compositions of the pomegranate genotypes were 998.00% N, 301.00 mg 100 g–1 P, 1708.61 mg 100 g–1 K, 55.21 mg 100 g–1 Ca, 116.79 mg 100 g–1 Mg, 5.1 mg 100 g–1 Fe, 1.91 mg 100 g–1 Cu, 0.41 mg 100 g–1 Mn and 1.20 mg 100 g–1 Zn, respectively. The results indicate that pomegranate genotypes have an important value of health and nutrition for the human.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 4; 201-211
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sustainable micropropagation of selected Stevia rebaudiana Bertoni genotypes
    Autorzy:
    Kaplan, B.
    Duraklioglu, S.
    Turgut, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/12691030.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Turkey
    plant cultivation
    Compositae
    Stevia rebaudiana
    steviol glycoside
    sweetener
    micropropagation
    in vitro propagation
    growth regulator
    genotype
    Gelrite preparation
    Opis:
    Stevia rebaudiana Bertoni is a perennial plant belonging to Asteraceae family and its leaves contain steviol glycosides (SGs) that are 150 to 300 times sweeter than sucrose. The sweeteners obtained from S. rebaudiana can be safely used by diabetics as insulin secretion is not required during digestion of this sweetener. As it has zero calories, it is also used in diet products. Adaptation studies for Stevia conducted in Antalya, Turkey have shown that the stevia plant could easily be cultivated as a perennial. However, the lack of a sustainable vegetative propagation method creates a significant problem for stevia production. In the generatively populations, homogeneity and therefore quality are decreased because of cross-pollination. Stevia, as a self-incompatible and cross-pollinated species, has been shown to have very high genetic diversity. Therefore, development of a sustainable in vitro propagation method to prevent genetic heterogeneity of selected varieties is crucial for stevia cultivation. The aim of this study was to evaluate 2 different gelling agents (plant agar and Gelrite) and 20 different growth regulators combinations. The results demonstrated an approximately 200-fold multiplication rate obtained within 13 weeks using MS medium supplemented with 0.5 mg·dm–3 BAP and 0.25 mg·dm–3 kinetin and solidified with Gelrite. Average stevioside and rebaudioside A contents in in vitro propagated plant samples were found to be 8.1% and 8.6%, respectively.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 6; 47-56
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The phenological and pomological traits of selected genotypes of wild pear [Pyrus pyraster (L.) Du Roi] important for the production of generative rootstocks
    Autorzy:
    Gordana, Š.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/12262440.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    plant cultivation
    wild pear
    Pyrus pyraster
    Pyrus communis
    plant genotype
    rootstock
    seedling vigor
    generative rootstock
    phenological trait
    pomological trait
    Opis:
    The aim of this work is to produce the generative rootstocks for the wild pears, which will be of moderate denseness. The initial material is the population of wild pear in the area of Polimlje. The study focused on few segments. Very first one included recording of the phenological traits – first flowering, full flowering, end of flowering and harvest period. The other segment comprised pomological features, i.e. physical [fruit weight (g), fruit size (mm), mass of dry seed (g), and number of seed in 1 kg of the fruit]. Seeds from 9 selected genotypes of wild pears were planted in the nursery and raised seedlings were evaluated for nursery characteristics: germination, seedling vigor, uniformidty and branching. Raised seedlings were used as rootstocks for scion cultivar ‘Grand Champion’. The most important benefit of this study is the fact that the parent trees, the seeds of which provide the best morphological and physiological characteristics for the production of generative rootstocks, were found and favored (in situ). Results of this research show that the rapid growth and uniformity of scions depend on the genetic characteristics of generative rootstocks of selected genotypes of wild pears, such as: plant height, stem diameter (corpulence), branching and uniformity. The selected genotypes, especially ‘Genotype 11’, proved to be the best for mountainous areas of the north of Montenegro, higher altitudes and poorer types of soil. The ‘Genotype 11’ is suggested as the best option for the production of generative rootstocks due to its small vigour level.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 2; 133-145
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in ion (K, Ca and Na) regulation, antioxidant enzyme activity and photosynthetic pigment content in melon genotypes subjected to salt stress - a mixture modeling analysis
    Autorzy:
    Erdinc, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/11885877.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Turkey
    arid habitat
    semi-arid habitat
    plant cultivation
    muskmelon
    Cucumis melo
    plant genotype
    antioxidant enzyme
    photosynthetic pigment content
    calcium ion
    potassium ion
    sodium ion
    salt stress
    Opis:
    The present study aimed to identify the response of melon accessions and cultivars to salt stress in terms of ion exchange, enzyme activity, lipid peroxidation and photosynthetic pigment contents by mixture modelling. In mixture modeling, it is expected that the data set demonstrates a heterogeneous structure. This heterogeneity is characterized as unobservable heterogeneity. The data set’s heterogeneity produces severe deviations in the parameter assessments and the standard deviations. Heterogeneity is overcome when the data set separates itself into homogeneous sub-populations. Mixture modeling was performed using the Mclust mixture cluster program of the statistical software package R 5.2.3. Sub-populations were constructed by evaluating genotypes according to studied traits and correlation analysis was performed using the SPSS software package. The seedlings of 13 melon genotypes were harvested two weeks after salt application (0 mM or 50 mM NaCl) when symptoms of salt stress were observed. Nutrient contents and ratios (K, Ca, Na, K : Na and Ca : Na); superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX) activities malondialdehyde (MDA) chlorophyll a, chlorophyll b, total chlorophyll and carotenoid contents were measured. Mixture modeling and correlation analysis were used in evaluating the experimental data sets. Differences in responses to salt application were observed among genotypes. While all genotypes exhibited negative responses in terms of K : Na ratio, which is an important parameter of salt tolerance, the smallest decreases in K : Na ratios were observed in the YYU-11 (–57.09%) and YYU-4 (–58.78%) genotypes, indicating them to be the most tolerant to salt stress. In general, enzyme activity decreased in response to salt application, although the responses varied among genotypes, especially with regard to CAT and APX activity. The YYU-29 genotype was notable as the genotype with the highest K : Na ratio (1.79) as well as the smallest change in MDA content under salt stress.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 1; 165-183
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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