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All Articles Tagged As: apples
 | To measure the crispness of apples without relying on human test panels, researchers used a computerized penetrometer to assess firmness and texture of apple varieties and compared the results with sensory data from an expert panel. The scientists found a significant correlation between the penetrometer crispness value and the sensory crispness value and concluded that data from the test instrument was more useful than data from either a standard penetrometer or acoustic resonance test alone. ...> Full Article |
 | Orchard growers have started finding that some of the most commonly used fungicides are no longer effective at controlling apple scab, according to a Purdue University study. ...> Full Article |
Mark Twain called it "the most delicious fruit known to man." But the cherimoya, or custard apple, and its close relations the sugar apple and soursop, also have lots of big, awkward seeds. Now new research by plant scientists in the United States and Spain could show how to make this and other fruits seedless.
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 | A new study of disease-resistant "Liberty" apples suggests that integrated fruit production (IFP) could be widely implemented in the northeastern United States. The use of an organic fruit production (OFP) system also showed potential for success. Cornell researchers found that marketable yields of apples can be produced in New York's humid growing conditions under both IFP and OFP, but noted that lack of market incentives could impede adoption of the systems. ...> Full Article |
 | An international team of scientists from Italy, France, New Zealand, Belgium and the US have published a draft sequence of the domestic apple genome in the current issue of Nature Genetics. The sequence will allow scientists to more rapidly identify which genes provide desirable characteristics to the fruit and which genes and gene variants provide disease or drought resistance to the plant. This information can be used to rapidly improve the plants through more informed selective breeding.
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 | Peter Hirst, a Purdue University associate professor of horticulture, found that an anomaly in some Gala apple trees causes some apples to grow much larger than others because cells aren't splitting. The findings, reported in the current issue of the Journal of Experimental Botany, showed that the new variety, called Grand Gala, is about 38 percent heavier and has a diameter 15 percent larger than regular Galas. ...> Full Article |
 | Wild Malus orientalis -- a species of wild apples that could be an ancestor of today's domesticated apples -- are native to the Middle East and Central Asia. A new study comparing the diversity of recently acquired M. orientalis varieties from Georgia and Armenia with previously collected varieties originating in Russia and Turkey narrows the large population and establishes a core collection that will make M. orientalis more accessible to the breeding and research communities. ...> Full Article |
When asked to compare apples to apples, consumers said they would pay more for locally grown apples than genetically modified (GMO) apples. But in a second questionnaire consumers preferred GMO apples -- that is, when they were described, not as GMO, but as having a Reduced Environmental Impact. The research conducted by University of Illinois economist Michael Mazzocco and Augustana College marketing professor Nadia Novotorova demonstrated that product labeling makes a difference when it comes to consumer acceptance.
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 | Many apple varieties common in the United States a century ago can no longer be found in today's orchards and nurseries. But some historic apple trees still survive in abandoned farmsteads and historic orchards throughout the US. Now, scientists interested in conserving these horticultural treasures have set out to identify and catalogue them, working to discover if the last remnants of historical trees may still be alive in American landscapes. ...> Full Article |
 | It's long been known that consumers choose apples based on fruit color. Apple producers recognize that clear days and cool nights are ideal growing conditions for apples to develop bright red colors. Scientists in Spain examined the effects of covering orchard floors with reflective films on fruit color, fruit quality, and profitability. The research showed that the use of films increased fruit size and color and can result in increased profits for apple growers. ...> Full Article |
 | Organic apple farming starts from the ground up. Maintaining a healthy orchard floor is the key to preventing weeds and keeping soil healthy. Researchers compared three methods of orchard floor maintenance; alfalfa hay mulch treatment, applied by hand in the spring and fall; a flame burning technique in which a propane burner was used to heat the weeds and the Swiss sandwich system, which leaves a strip of vegetation to grow in the tree row. ...> Full Article |
 | After 25 years of research, new apple debuts ...> Full Article |
Researchers look for answers to reducing incidence, severity of lenticel breakdown
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 | A major cause for biodiversity may be biodiversity itself, says evolutionary ecologist Andrew Forbes of the University of California, Davis, whose newly published research shows that when the apple maggot shifted hosts from the hawthorn to the apple, that triggered a cascading effect on the ecosystem. ...> Full Article |
A new, late-ripening apple named WineCrisp which carries the Vf gene for scab resistance was developed over the past 20 plus years through classical breeding techniques, not genetic engineering. License to propagate trees will be made available to nurseries through the University of Illinois.
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