Yield Component Interactions in Cultivars of the Highbush Blueberry

Siefker, J. H.; Hancock, James F.

doi:10.21273/jashs.111.4.606

Cited by 19 publications

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“…The " W " statistic of Hardwick and Andrews (8) was calculated for each genotype as described by Siefker and Hancock (22). Values of W approaching 0.5 indicate independence of components, while values near 0 indicate compensation and values near 1.0 indicate additivity.…”

Section: Methodsmentioning

confidence: 99%

“…Yield component analysis has provided information on the partitioning of resources within the plant and is useful in evaluating breeding material and selecting parents (6,7,19). This analysis can also be used to predict the effects of cultural modifications such as pruning (22), improved pollination (21), plant spacing and irrigation (20), planting date (19,23), and fertilization (15). We compare yield component analyses of primocane-fruiting red raspberry genotypes from the Minnesota breeding program with 'Heritage'.…”

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confidence: 99%

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Vegetative and Reproductive Yield Components of Primocane-fruiting Red Raspberries

Hoover

Luby

Bedford

et al. 1988

J. Amer. Soc. Hort. Sci.

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Selection criteria to identify primocane-fruiting red raspberry seedlings (Rubus idaeus L.) with high, early yield are desirable in regions with short growing seasons. To identify possible parents contributing these desirable characteristics, ‘Heritage’, ‘Redwing’, and two genotypes from the Minnesota breeding program were subjected to yield component analysis. In all genotypes, yield was determined by canes/meter of row, fruit per node, and fruit weight. Over the 3-year period, ‘Heritage’ had the highest yield/meter of row, yield per cane, fruit per cane, and number of fruit per fruiting node among all genotypes. Component compensation was highest for ‘Redwing’, while MN 652 had the greatest degree of independence among components. In selecting seedlings for early fruiting and high yield, high cane densities and/or large fruit size will be needed.

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Vegetative and Reproductive Yield Components of Primocane-fruiting Red Raspberries

Hoover

Luby

Bedford

et al. 1988

J. Amer. Soc. Hort. Sci.

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“…Cultivated HB plants require pruning of shoots that contain various BAS, but in most cases, they are underutilized and/or treated as waste or byproducts and discarded (Piljac-Zegarac et al, 2009;Cezarotto et al, 2017). At the same time, well-grown shrubs with multiple shoots could produce more plant material and higher fruit yields were described in several species (Siefker & Hancock, 1986). Meanwhile, several species and cultivars of Vaccinium have been recognized as some of the best sources of phenolic compounds not only in fruits but in vegetative organs (Riihinen et al, 2008;Kelly et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Screening of anticandidal activity of Vaccinium corymbosum shoots’ extracts and content of polyphenolic compounds during seasonal variation

et al. 2023

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Background. A comprehensive analysis of polyphenols (flavonoids and proanthocyanidins) content of aqueous and hydroethanolic shoots’ extracts of Vaccinium corymbosum L. (highbush blueberry) (HB) cv. Elliott was performed. Materials and Methods. In this study, water and various concentrations of aqueous-ethanol (AE) were used as extragents, and plant material – the shoots of V. corymbosum harvested at stages of flowering (I), fruiting (II), after fruiting (III), and at the beginning of winter dormancy (IV). The anticandidal activity of aqueous (A) and AE extracts was studied with five strains of fungi: Candida pseudotropicalis (Kluyveromyces marxianus ATCC 4922=VKM Y-922), C. curvata (Cutaneotrichosporon curvatus ATCC 10567=VKM Y-2230), C. kefyr (Kluyveromyces marxianus VKM Y-459), C. parapsilosis ATCC 22019=UKM Y-73т=VKM Y-58 and C. tenuis ATCC 10573=UKM Y-1525т (Yamadazyma tenuis ATCC 10573=VKM Y-70). These strains were treated with extracts to investigate their effect on the growth of these microorganisms in vitro and compare with commercially available herbal medicinal extracts and antiseptic drugs. Anticandidal activity has been compared with the content of total phenolic compounds (flavonoids and proanthocyanidins). Results. Our results reveal that phenolic compounds concentration of V. corymbosum shoots’ extracts were significantly dependent on extragents and the stage of growth. The total content of phenolic compounds in aqueous-ethanol extracts was generally higher than aqueous and depended on the concentration of aqueous-ethanol. The highest extraction yield of total phenolic compounds was obtained using 40–80%-AE at all investigated stages. The highest content of flavonoids (105–123 mg·g-1 DW in quercetin equivalent) was observed at the stage of winter dormancy (IV). The content of proanthocyanidins was the highest at stages II and IV, and with 40–96% AEs as solvents; their contents varied within 178–239 mg·g-1 DW in catechin equivalent. Extracts prepared with 40–80% AE have pronounced inhibitory activities against all investigated Candida spp., but the maximum inhibition zone of a single strain may vary. High correlations indicate the determining effect of proanthocyanidins on the anticandidal activity of the extract. Conclusions. The study results indicate that V. corymbosum shoots may have promising properties in supporting therapy as anticandidal drugs.

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Relationship between cane age and vegetative and reproductive traits of northern highbush blueberry in Chile and United States

Palma

Retamales

Hanson

et al. 2023

Scientia Horticulturae

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Yield Component Interactions in Cultivars of the Highbush Blueberry

Cited by 19 publications

References 0 publications

Vegetative and Reproductive Yield Components of Primocane-fruiting Red Raspberries

Vegetative and Reproductive Yield Components of Primocane-fruiting Red Raspberries

Screening of anticandidal activity of Vaccinium corymbosum shoots’ extracts and content of polyphenolic compounds during seasonal variation

Relationship between cane age and vegetative and reproductive traits of northern highbush blueberry in Chile and United States

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