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Successful cross-breeding requires the investigation into the inheritance pattern of desirable traits. The present study recorded the segregation in coloration and analyzed anthocyanin concentration and composition in berry skin and flesh of the F1 interspecific populations (‘Beifeng’ × ‘Yan-73’) during the three successive growing seasons. All the progeny presented color in berry skin, whereas segregation...
Main conclusionLight exclusion reduces the concentration and modifies the composition of grape anthocyanins, by altering the expression of genes involved in anthocyanin biosynthesis and transport, in a cultivar- and tissue-specific manner. Unlike most grapes, teinturier grapes accumulate anthocyanins both in skin and flesh. However, the concentration...
Background QTLs controlling individual sugars and acids (fructose, glucose, malic acid and tartaric acid) in grape berries have not yet been identified. The present study aimed to construct a high-density, high-quality genetic map of a winemaking grape cross with a complex parentage ( V. vinifera × V. amurensis ) × (( V. labrusca × V. riparia ...
The extraction protocol of flavonoids from lotus (Nelumbo nucifera) leaves was optimized through an orthogonal design. The solvent was the most important factor comparing solvent, solvent:tissue ratio, extraction time, and temperature. The highest yield of flavonoids was achieved with 70% methanol–water and a solvent:tissue ratio of 30:1 at 4°C for 36h. The optimized analytical method for HPLC was...
Inheritance patterns for table grape sugars and organic acids were investigated on three cross offspring populations during two successive years. Glucose and fructose were the predominant sugars in progeny berries with only trace amounts of sucrose. Total sugar content showed additive inheritance and the broad-sense heritability ranged from 0.61 to 0.84. The means of progeny sugar content were lower...
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