Agriculture

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Topics in Subtropics: Article

Where There's Fire, There's Free Radicals

April 9, 2021
By Ben A Faber
Reactive oxygen species (ROS) cause oxidative stress at the cellular level. Research shows that this way, amongst others, they inhibit the germination capacity of plants, produce cytotoxins or exert toxic effects on aquatic invertebrates.
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Urban landscape entomologist Emily Meinke working with Dave Barrington, director of the Pringle Herbarium at the University of Vermont. (Photo by Aimée Classen)
Entomology & Nematology News: Article

Plants Keeping up with Climate Change Are Also Being Eaten More by Insects

April 8, 2021
By Kathy Keatley Garvey
Many plant species are leafing out and flowering earlier in response to rising temperatures, and those that are not are declining at alarming rates in some circumstances, says urban landscape entomologist Emily Meineke of the UC Davis Department of Entomology and Nematology in newly published resear...
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Fig. 1 This newly designed ceramic cup (Part #Y2630C) can be bonded to the PVC shaft using standard PVC primer and cement.
Salinas Valley Agriculture: Article

Do it yourself (DIY) tensiometer, part II: the ten-minute tensiometer

April 8, 2021
By Michael D Cahn
Tensiometers are useful for monitoring soil moisture in vegetable and row crops so that plants are not over-watered nor become water stressed. As the name implies, tensiometers measure soil moisture (water) tension, otherwise referred to as matric water potential.
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A honey bee takes a break and cleans her proboscis (tongue) after foraging on a citrus blossom. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Cleaning the Tongue: A, B, C

April 7, 2021
By Kathy Keatley Garvey
So here you are, a honey bee seeking nectar from an unopened citrus blossom. And then your tongue (proboscis) becomes all sticky with pollen, nectar and other particles. What to do: you, the worker bee, take a brief break and clean your tongue. Problem solved.
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NASA created a three-dimensional portrait of methane concentrations around the world. Methane is the second largest contributor to greenhouse gases warming the earth, after carbon dioxide.
Food Blog: Article

Fighting hunger and building planet health go hand in hand

April 7, 2021
By Jeannette Warnert
University leaders, faculty and students from across the U.S. and around the world are working together to tackle a complex set of challenges that prevent millions of people from getting enough of the right foods.
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Fingerlimes
Topics in Subtropics: Article

Finger Limes and HLB?

April 7, 2021
By Ben A Faber
Citrus Industry The Australian finger lime, a citrus relative, could be a new specialty crop for Florida citrus growers. Traditionally, finger limes have remained rare in the United States, grown few and far between.
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april newsletter 2
Ranching in the Sierra Foothills: Article

Shepherding Fire

April 6, 2021
By Daniel K Macon
Lessons from our first Prescribed Fire on Working Landscapes Workshop As I wrote in a blog post in February (Working with Fire), at one time, fire and fire agencies were part of the ranching culture of the foothill communities where I grew up.
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