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Science News for May 2, 2009


Tree survival skills

A recent study by the American Society for Horticultural Science found that stressors during tree handling and transport, such as root severance, water stress, and mechanical damage, can significantly impact tree health and establishment. Researchers identified key stages in the transplanting process that contribute to reduced growth a...

Photoselective film proves effective for controlling height in potted gardenia plants

A photoselective polyethylene greenhouse covering film has been proven effective in controlling the height of potted gardenia plants. The study showed that this technology can reduce the need for chemical growth retardants, decreasing production costs and environmental pollution. However, further research is needed to optimize its use.

Decreasing deer damage

A recent study by researchers found that certain tree and shrub species are more or less attractive to white-tailed deer, resulting in varying levels of damage. By identifying these preferences, growers can take steps to reduce economic losses, such as harvesting products in late fall and early winter.

Protecting fresh-cut produce

Researchers from three institutions applied harpin to head lettuce prior to harvest to prevent microbial contamination. The study found that harpin improved color, reduced browning, and increased phenolic compounds, which are linked to plant chemical defenses against microbes.

SourceAmerican Society for Horticultural Science·JournalJournal of the American Society for Horticultural Science·DateMay 2, 2009