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Crops

Yield-boosting stay-green gene identified from 118-year-old experiment in corn

URBANA, Ill. – A corn gene identified from a 118-year-old experiment at the University of Illinois could boost yields of today’s elite hybrids with no added inputs. The gene, identified in a recent Plant Biotechnology Journal study, controls a critical piece of senescence, or seasonal die-back, in corn. When the gene is turned off, field-grown elite hybrids yielded 4.6 bushels more per acre on average than standard plants.

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There’s a lizard in my lettuce: Illinois study spotlights surprising finds in salads

URBANA, Ill. – When a dead bat was found in a package of salad greens in 2017, the Florida story spurred product recalls and national media attention. The incident, assumed to be rare, was one of dozens of cases of consumers finding animals – live, dead, or severed – in fresh produce over the past 15 years. A University of Illinois study catalogues and analyzes these incidents as part of a larger effort towards greater food safety and quality improvements in the fresh produce industry.

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Improved model could help scientists better predict crop yield, climate change effects

CHAMPAIGN, Ill. – A new computer model incorporates how microscopic pores on leaves may open in response to light—an advance that could help scientists create virtual plants to predict how higher temperatures and rising levels of carbon dioxide will affect food crops, according to a study published in a special issue of the journal Photosynthesis Research today.

Read more at the RIPE website.

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Illinois scientists to offer more diverse presentations at Agronomy Day 2019

URBANA, Ill. – The public will have the opportunity to learn from more University of Illinois scientists than ever before during the 62nd Agronomy Day on Aug. 22. Researchers and Extension specialists from across the College of Agricultural, Consumer and Environmental Sciences will share the latest discoveries and best practices in agronomy and land stewardship.

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Superweed resists another class of herbicides, study finds

URBANA, Ill. – We’ve all heard about bacteria that are becoming resistant to multiple types of antibiotics. These are the so-called superbugs perplexing and panicking medical science. The plant analogue may just be waterhemp, a broadleaf weed common to corn and soybean fields across the Midwest. With resistance to multiple common herbicides, waterhemp is getting much harder to kill.  

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Managing very late planting

URBANA, Ill. – With less than half the corn crop and less than a fourth of the soybean crop planted by June 1 this year, Illinois farmers are facing some difficult decisions. Emerson Nafziger, of the Department of Crop Sciences at the University of Illinois, answers critical questions.

Q: How serious is the problem?

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Higher banana prices linked to increase in armed conflict in the Philippines, U of I study shows

URBANA, Ill. – Experts often recommend that developing countries focus on high-value export crops such as fruits and vegetables. However, the effect of such practices on conflict-affected countries is not clear, and there is a risk that higher export revenue may lead to increased insurgent violence, according to a University of Illinois study.

The research focused on banana production in the Philippines and showed a correlation between higher banana prices and insurgent activity in certain areas, says U of I agricultural economist Benjamin Crost, who is a co-author of the study.

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Resistance to Fusarium head blight holding in Illinois, study says

URBANA, Ill. – Illinois wheat growers, take heart. A new University of Illinois study shows no evidence of a highly toxic Fusarium head blight (FHB) variant, known as NA2, in the wheat-growing region of the state. The study also reinforces the effectiveness of wheat resistance to the fungal disease.

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New mutations for herbicide resistance rarer than expected, study finds

The relative contribution of new mutations to the problem of herbicide resistance is poorly understood. In a new study, Illinois crop scientists hoped to determine the baseline mutation rate for a plant of the genus Amaranthus, a group that includes waterhemp, Palmer amaranth, and other problematic agricultural weeds.

Read more from the Illinois News Bureau.

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Illinois croplands provide false sense of security to rabbits, study suggests

URBANA, Ill. – Although many Illinois farmers convert cropland into grassland specifically to benefit wildlife, the memo may not be getting through to eastern cottontail rabbits. A recent University of Illinois study suggests cottontails are spending too much time in crop fields, underestimating the dangers that await them there.    

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