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EN
The subtropical ecology of the Mediterranean region in Turkey has an important potential based on precocity for both stone and soft fruits. The aim of this study is to determine the yield and fruit quality properties of some apple cultivars on dwarf (M9) and semi-dwarf (MM106) rootstocks under the subtropical ecological conditions. Harvesting date, yield and pomological characteristics of apple cultivars ‘Vista Bella’, ‘Jerseymac’, ‘Starking Delicious’, ‘Golden Delicious’, and ‘Granny Smith’ were determined. The highest yield per tree was recorded from trees on rootstocks MM106, whereas the highest yield per hectare was detected from M9 rootstocks. Fruit quality varied dependent on cultivars but rootstocks were effective only on TSS and fruit skin color such as L*, b*, C, and h°. There was not found any effect of rootstocks on the other fruit characteristics such as fruit weight, pH, fruit length, and firmness. Result of this study revealed that summer apple cultivars were found to be very promising on both rootstocks (M9 and MM106) in the subtropical ecological conditions of the Mediterranean region in Turkey.
EN
Conservation and sustainable use of plant genetic resources is important to meet the demand for future food security. This study was conducted on twenty-five native pear accessions sampled from Hatay, province, in eastern Mediterranean region of Turkey. In these accessions, ripening time, productivity, and some important pomological traits were determined such as fruit weight, fruit sizes, total soluble solids contents, pH, and acidity. The grittiness, flavor, and juiciness were also measured as sensory analysis. These results showed that the earliest ripening among the all studied accessions were ‘Biçin 1’ and ‘Biçin 2’ (June 25 in 2009 and June 23 in 2010), while the latest accessions were ‘Dağarmudu 1’ and ‘Dağarmudu 2’ (November 8 in 2009 and November 5 in 2010). In pear accessions, productivity was identified as medium and high. The fruit weight of pear accessions were ranged between 28.29 and 160.02 g, seed numbers were ranged between 0.56 and 10.00, total soluble solid contents were ranged between 10.00 and 18.50%. In pear accessions, 15 instead of all 21 of morpho-pomological fruit properties were able to explain 85.0% of the total variation. As a result, some pear accessions may be recommended for both pear cultivation and the breeding studies in terms of earliness and flavor.
PL
Ochrona i zrównoważone użycie genetycznych zasobów roślin są ważne, ponieważ zagwarantują bezpieczeństwo żywności w przyszłości. Niniejsze badanie przeprowadzono na dwudziestu pięciu odmianach z Hatay, prowincji we wschodnim śródziemnomorskim rejonie Turcji. Określono czas dojrzewania, wydajność oraz pewne ważne cechy pomologiczne, takie jak masę owoców, rozmiar owoców, całkowitą zawartość rozpuszczalnych związków stałych, pH oraz kwasowość. Zmierzono także chropowatość, zapach i soczystość w ramach analizy sensorycznej. Najwcześniej dojrzewały ‘Biçin 1’ i ‘Biçin 2’ (25 czerwca w 2009 i 23 czerwca w 2010), natomiast najpóźniej ‘Dağarmudu 1’ i ‘Dağarmudu 2’ (8 listopada w 2009 i 5 listopada w 2010). Wydajność określono jako średnią i wysoką. Masa owoców wahała się między 28,29 a 160,02 g, liczba nasion między 0,56 a 10,00, zawartość rozpuszczalnych związków stałych między 10,00 a 18,50%. U odmian gruszy, 15 zamiast wszystkich 21 cech morfo-pomologicznych owoców może wyjaśnić 85% całkowitej zmienności. W rezultacie, niektóre odmiany gruszy mogą być rekomendowane do hodowli i do badań hodowlanych w kategoriach wczesności i aromatu.
EN
The present studywas conducted to determine the variation in the content of several plant chemicals, namely hyperforin, hypericin, pseudohypericin, chlorogenic acid, rutin, hyperoside, isoquercetine, kaempferol, quercitrine and quercetine among ten Hypericum orientale L. populations from Northern Turkey. The aerial parts representing a total of 30 individuals were collected at full flowering and dissected into floral, leaf and stem tissues. After dried at room temperature, the plant materials were assayed for chemical contents by HPLC. The populations varied significantly in chemical contents. Among different plant parts, the flowers were found to be the principle organ for hyperforin, hypericin, pseudohypericin and rutin accumulations while the rest of the chemicals were accumulated mainly in leaves in all growing localities. The chemical variation among the populations and plant parts is discussed as being possibly the result of different genetic, environmental and morphological factors.
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