Influence of Weather Conditions on Grain Yield, Oil Content and Oil Yield of New Os Sunflower Hybrids

Liović, Ivica; Mijić, Anto; Kulundžić, Antonela Markulj; Duvnjak, Tomislav; Gadžo, Drena

doi:10.18047/poljo.23.1.6

Cited by 5 publications

(5 citation statements)

References 2 publications

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“…Nonetheless, the results of the current study suggest that growth of the tested species would be suppressed by invasive plants (Novak, Novak, Barić, Šćepanović, & Ivić, 2018) in the nonlaboratory setting. The agronomic importance of the tested plants (Liović, Mijić, Markulj Kulundžić, Duvnjak, & Gadžo, 2017; Palfi, 2007; Popović, Tucak, & Čupić, 2011) indicates that suppression of their growth due to invasive species might be connected with considerable economic damage and losses. Thus, further studies in both laboratory and field conditions are needed to gain a better understanding of the influence of A .…”

Section: Discussionmentioning

confidence: 99%

“…The agronomic importance of the tested plants (Liovi c, Miji c, Markulj Kulundži c, Duvnjak, & Gadžo, 2017;Palfi, 2007;Popovi c, Tucak, & Čupi c, 2011) indicates that suppression of their growth due to invasive species might be connected with considerable economic damage and losses. Thus, further studies in both laboratory and field conditions are needed to gain a better understanding of the influence of A. fruticosa on valuable forage and agricultural crops.…”

Section: Discussionmentioning

confidence: 99%

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Phytotoxic effect of invasive speciesAmorpha fruticosaL. on germination and the early growth of forage and agricultural crop plants

Krstin

Katanić

Pfeiffer

et al. 2020

Ecological Research

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Invasive plant species can inhibit the growth of native plants by competing for resources as well as by secreting allelochemicals. Indigobush (Amorpha fruticosa L.), a deciduous shrub adaptable to a wide range of environmental conditions, was introduced into Europe as a decorative and valuable honey plant. In this study, we assayed the phytotoxic effect of aqueous leaf extracts (1, 3 and 5%) obtained from A. fruticosa leaves on seed germination and seedling growth of four important agricultural species (Trifolium pratense L. [cultivar "VIVA"], Medicago sativa L. [cultivar OS-100], Helianthus annuus L. [hybrid "Matej"] and Triticum aestivum L. [cultivar OS-Olimpija]). Five parameters were analyzed: germination percentage, mean germination time, germination index, fresh weight of seedling root and shoot. The phytotoxicity of A. fruticosa leaf extract was compared to that of juglone, a strong allelochemical that is known to inhibit growth of numerous plant species. The results demonstrate that A. fruticosa phytotoxicity is dependent on both the plant species tested and leaf extract concentration, with higher concentration extracts having stronger phytotoxicity. The highest concentration (5%) leaf extract caused similar inhibition of seed germination and seedling growth to that of juglone. The results of this study suggest that the rapid invasion of A. fruticosa in agricultural areas may have a negative impact on growth and yield of valuable forage and agricultural crops.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Phytotoxic effect of invasive speciesAmorpha fruticosaL. on germination and the early growth of forage and agricultural crop plants

Krstin

Katanić

Pfeiffer

et al. 2020

Ecological Research

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“…Higher oil yields in 2013 compared to oil yields in 2014 were confirmed by MIJIĆ et al (2017), stating that the cause of such results is a satisfactory reserve of winter moisture and not too high-temperature maxima in 2013. The average OY values in eight hybrids investigated in this study were lower than those recorded by LIOVIĆ et al (2017). Temperature and solar radiation, sowing dates, and localities greatly influence oil synthesis (ECHARTE et al, 2013;HILWA et al, 2019).…”

Section: Oil Yieldmentioning

confidence: 57%

Sunflower agronomic traits in field irrigation conditions

et al. 2022

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Multi-year studies are crucial for the evaluation of sunflower hybrids and quantifying the environmental effect in the expression of genetic potential. In order to assess the adaptation of eight hybrids and test the impact of water availability on plant height (PH), head diameter (HD), 1000-grain weight (TWG), hectolitre mass (HM), seed yield (SY), oil content (OC) and oil yield (OY), a two-year study was conducted with irrigation as treatment. Analysis of variance (ANOVA) and principal component analysis (PCA) confirmed the year influence on all tested agronomic traits. According to the three-way ANOVA, irrigation significantly affected all tested traits except HD, OC and OY. All agronomic traits had lower values in both rainfed and irrigated treatment in 2014, confirming the influence of the environment. The hybrid was a significant source of variation for all traits. ANOVA and PCA grouped hybrids 1, 7, and 8 in one group and 2, 3, 4, 5, and 6 in another. The first group had lower PH, HD, TGW and SY values and higher HM, OC and OY values, and the second group had reversed traits values. Furthermore, the PCA biplot indicates SY was positively correlated with PH, HD, TGW and OY and HM was positively correlated with OC. This facilitates the breeding process because it enables indirect breeding for economically important traits such as seed yield, oil content and oil yield. As treatments were significant sources of variation for PH, HM, TWG and SY, sunflower irrigating is considered justified and can be used as an additional agrotechnical measure to target the agronomic traits. Understanding the expression of traits under rainfed and irrigation conditions will greatly help design effective breeding programs by creating hybrids suitable for cultivation in semi-arid environments.

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“…Achieving the optimum of agronomic traits in a wide range of different agroecological conditions is objectively an extremely complex process that requires a lot of knowledge. Numerous authors have written about the influence of precipitation and temperature on the most important agronomic traits of sunflower (Šimić et al, 2008;Černý et al, 2011Mijić et al, 2012Mijić et al, , 2017Černý and Veverkova, 2012;González et al, 2013;Milošević et al, 2015;Liović et al, 2017;Jocković et al, 2019).…”

Section: Resultsmentioning

confidence: 99%