ASHS Press Releases

American Society for Horticultural Science

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Changes in volatile compounds, eating quality of berries correlated

New Study Informs Blueberry Flavor SelectionScientists measured characteristics associated with the blueberry eating experience by comparing the volatile profiles of five southern highbush blueberry cultivars using gas chromatography–mass spectrometry. Four stages of each cultivar were harvested for analysis: green, breaker, red, and blue. Results showed that soluble solids content and volatile production tended to increase with fruit maturity, whereas titratable acidity decreased. All volatile components were more variable than measures of sugars and acids during the harvest season.

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Study finds growing location temperature not a factor in cryopreservation method

A study investigated post-cryoviability of dormant buds for three commercial cultivars of Malus domestica grown in three distinct geographic locations in the United States. Dormant winter buds were harvested at the three locations, cryopreserved, and bud viability was tested by grafting. The data showed that the growing locations of the apple dormant bud source had little effect on their cryosurvival.

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'Lady Bird Johnson Royal Blue' bluebonnet developed as bedding plant

A new variety of bluebonnet dubbed 'Lady Bird Johnson Royal Blue' has been introduced. Developed by researchers for use as a bedding plant, the new cultivar features a striking cobalt color. Seed will be available by the 2013 planting season.

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Dianthus fruticosus withstands challenges of reduced irrigation, shallow planting

Researchers in Greece tested 160 native Dianthus fruticosus plants in substrates with soil, substrates without soil, and at depths of either 7.5 or 15 cm. The plants were watered for several months then subjected to a simulated drought. The study concluded that D. fruticosus is "very promising" for use on extensive green roofs in the Mediterranean region, as the species showed sufficient growth in shallow substrates and reduced irrigation environments.

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