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1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
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Determination of shape in fruits of cherry laurel (Prunus laurocerasus) accessions by using elliptic Fourier analysis

100%
Sayinci B., Ercisli S., Akbulut M., Savsatli Y., Baykal H.
Acta Scientiarum Polonorum. Hortorum Cultus
|
2015
|
tom 14
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nr 1
Cherry laurel (Prunus laurocerasus) is an important wild edible fruits naturally grown in black sea region in Turkey. Shape attributes of twenty-one cherry laurel accessions were determined both descriptively and based on elliptic Fourier analysis first time in the literature. In the semantic evaluation, shape of most of the accessions was near to sphere. But, the results of the descriptive data showed that the accessions had different size, shape and gravimetric attributes. The accessions such as 30023, 30024 and 30027 had the highest means as to the gravimetric and size attributes, while the means of the 20043, 30028 and 30030 accessions were found to be the lowest. The sphericity data of 30019, 30028, 30030 and 30033 accessions had the highest means ranged between 96.2 and 97.8%. The cluster test divided the accessions to five subclasses. The genotypes in the 5th cluster had the highest gravimetric and size attributes than the other accessions. While the accessions in the 1st cluster were the highest sphericity mean, they had the lowest gravimetric and size attributes.
2

Changes in phenolic acids of cherry laurel [Laurocerasus officinalis Oxygemmis] fruit during maturation

84%
Ayaz F. A.
Acta Biologica Cracoviensia. Series Botanica
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2001
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tom 43
Changes in phenolic acid content during the maturation of cherry laurel (Laurocerasus officinalis ‘Oxygemmis’) fruits were studied. Samples were obtained starting 40 days after flowering between May and July. In the fruits, p-coumaric, caffeic and ferulic acids (as cinnamics) and benzoic, 4-hydroxybenzoic, vanillic and 3,4-dihydroxybenzoic acids (as benzoics) were identified. The content of benzoic, 4-hydroxybenzoic, vanillic and caffeic acids started to increase from 6 to 12 WAF (weeks after flowering). The content of p-coumaric and ferulic acids, highest at 6 WAF, declined gradually until 11 WAF and increased again at 12 WAF. All phenolic acids except vanillic and ferulic acids began to decrease in the fruits harvested at 16 WAF, that is, the normal harvesting season. Although an increase in vanillic and ferulic acid content was observed in post-ripening between 13 and 16 WAF, the values were not statistically significant (P = 0.05) between stages. The highest content of phenolic acid in the cultivar was found for benzoic, caffeic and vanillic acids: 2.53, 1.05 and 0.86 mg/100g dry weight, respectively.
3

Lisciaste krzewy zimozielone

67%
Rydzik A.
Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała
|
2000
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nr 01
3-4
4
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

Seasonal patterns of free proline and carbohydrate levels in cherry laurel (Prunus laurocerasus) and ivy (Hederea helix) leaves and resistance to freezing and water deficit

59%
Bandurska H., Plachta M., Woszczyk M.
Dendrobiology
|
2009
|
tom 62
3-9
Seasonal changes in the levels of water-soluble carbohydrates, free proline and tolerance to freezing and water deficit were studied in leaves of cherry laurel (Prunus laurocerasus) and ivy (Hedera helix). Frost and water deficit tolerance was estimated based on the measurement of electrical conductivity of aqueous media containing leaf discs that were previously treated with frost (–7°C) or polyethylene glycol solution (PEG 600), respectively. Carbohydrate content in leaves of examined species changed differently throughout the measurement period. In laurel leaves the highest carbohydrate level was found in February, while it was lowest in June. In contrast, in ivy leaves the highest carbohydrate content was recorded during summer (June, July), while the lowest in February. However, a lack of correlation between soluble carbohydrate level and membrane injury index was shown in this study. Free proline content in leaves of investigated species was the highest in early spring, i.e. April. The lowest level of free proline in laurel leaves was found in July, September and October, but in ivy from July to February. A negative correlation between proline content and membrane injury index observed in frost and PEG treated leaves of both species suggest that this amino acid may have resulted on membrane protection.
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