News

This herbicide-resistant pigweed was found growing in a Pennsylvania soybean field. Credit: Penn State. Creative Commons

Jun 23, 2025

Multistate herbicide-resistant weeds study aims to protect soybean crops

New grant will fund development of rapid testing to detect herbicide-resistant weeds in soybean fields; to gain a better understanding of plant mechanisms that contribute to resistance.

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Study first author Yanxin Lin, left, and senior author Misha Kwasniewski examine the structure of the chemical catechin, an important polyphenol and building block of tannins. The new tannin-measurement method breaks large, complex structures into catechin ions and other fragments to characterize the original structure. Credit: Penn State. Creative Commons

Jun 11, 2025

‘Fingerprinting’ plant compounds helps explain food, drink tastes

Researchers develop method to determine what compounds affect bitter taste, mouthfeel in wine, dark chocolate, and other foods and drinks.

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Milk protein and cellulose derived from plants can be electrospun into thin fibers for use in mats that could be used for biodegradable and edible food packaging, according to a new study by researchers at Penn State. Pictured here are variations in the composition of fibers made from different ratios of milk protein and cellulose. Credit: Penn State. Creative Commons

Jun 09, 2025

Edible, biodegradable fibers made from milk protein, cellulose

Milk protein and cellulose derived from plants may be the next big thing in sustainability, thanks to a first-of-its-kind advancement made by researchers at Penn State.

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Penn State’s College of Agricultural Sciences recently welcomed a delegation from the Food and Agriculture Organization of the United Nations to the University Park campus. One of the tours included the PlantVillage Lab, where researchers are using artificial intelligence to help smallholder farmers across Africa, Asia and the Americas adapt to climate change. It is led by David Hughes, Huck Chair in Global Food Security and professor of entomology and biology at Penn State. From left are Celeste Macilwaine, Ed Bogart, David Hughes, Derek Morr, Rimnoma Serge Ouedraogo, Bipana Paudel Timilsen and Huanhuan Wang. Credit: Contributed photo. All Rights Reserved.

Jun 03, 2025

Penn State’s Youth Food Lab attends UN Science, Technology, Innovation forum

Penn State’s College of Agricultural Sciences was represented on the global stage as faculty and students participated in the United Nations’ 10th Multi-stakeholder Forum on Science, Technology and Innovation for the Sustainable Development Goals, held at U.N. headquarters in New York City earlier this month.

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By extending egg production in broiler breeder hens, farmers may be able to reduce flock turnover, improve animal welfare and increase efficiency, according to researchers at Penn State. Credit: Hispanolistic/Getty Images. All Rights Reserved.

May 07, 2025

Common diabetes drug helps chickens lay more eggs

Metformin, a drug commonly prescribed to humans, could be a game-changer for farms and food production, researchers said.

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A survey of fruit growers last year revealed that 95% were eager to explore drone spraying technology, citing increased efficiency, labor savings and improved soil health as key benefits. Credit: Penn State. Creative Commons

Apr 25, 2025

Are drones the future of tree fruit production? Researchers investigate

A team of researchers in Penn State’s College of Agricultural Sciences is addressing the growing interest among tree fruit growers in Pennsylvania and the Northeast in adopting drone-based spraying systems for high-density apple and peach orchards.

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The study found that increased salt content in tomato plants reduces fruitworm caterpillar feeding and limits the number of eggs that moths lay on these plants. Credit: Sahil Pawar. All Rights Reserved.

Apr 16, 2025

Feeling salty? Increased salt stress reduces tomato pest activity

Increased soil salinity can reduce damage from prominent tomato pests such as the tomato fruitworm, according to researchers at Penn State. They published their findings in the Journal of Plant, Cell and Environment.

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In research conducted at the Penn State dairy barns, cows that were fed a diet that included 15% whole cottonseed produced 5% more milk fat per day than cows not eating whole cottonseed. Credit: Penn State. Creative Commons

Apr 08, 2025

Feeding dairy cows whole cottonseed byproduct boosts milk fat, researchers find

In a new study, a team led by researchers at Penn State demonstrated that supplementing dairy cattle feed with 15% whole cottonseed can increase milk fat concentration and yield.

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The findings could be helpful to growers as they create management plans for their fields, according to the researchers. Credit: Waldemar/Unsplash. All Rights Reserved.

Mar 24, 2025

Insecticides may contribute to bigger problems with certain weeds

Insecticides may help growers hoping to protect their crops from harmful insects, but they also may contribute to a larger amount of some weeds, according to a study led by researchers at Penn State.

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People who ate pecans in lieu of their usual snacks demonstrated reductions in cholesterol linked to poorer heart health, according to a new study from researchers in the Penn State Department of Nutritional Sciences. Credit: SherShor/Getty Images. All Rights Reserved.

Mar 17, 2025

Replacing other snacks with pecans may improve cholesterol, diet quality

Switching daily snack foods to pecans improved cholesterol levels and enhanced overall diet quality, according to a new study by researchers in the Penn State Department of Nutritional Sciences.

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