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Articles 1 - 30 of 87
Full-Text Articles in Life Sciences
Spruce Health In Utah Landscapes, Ryan S. Davis, Michael R. Kuhns, Claudia Nischwitz
Spruce Health In Utah Landscapes, Ryan S. Davis, Michael R. Kuhns, Claudia Nischwitz
All Current Publications
Spruces are common trees in cultivated landscapes in Utah. They have varied shapes, attractive foliage color, and can be fairly long-lived. They have pests, but not overly so, and are not very messy.
Selecting And Using Inorganic Fertilizers, Rich Koenig, Larry Rupp
Selecting And Using Inorganic Fertilizers, Rich Koenig, Larry Rupp
All Current Publications
This publication analyzes the selection and use of inorganic fertilizers.
Sunscald Injury Or Southwest Winter Injury On Deciduous Trees, Katie Wagner, Michael R. Kuhns
Sunscald Injury Or Southwest Winter Injury On Deciduous Trees, Katie Wagner, Michael R. Kuhns
All Current Publications
Sunscald or southwest winter injury presents a significant threat to the trunks and limbs of certain deciduous trees. Although it can happen on shrubs it is more common on trees.
Getting Chemicals Into Trees Without Spraying, Michael R. Kuhns
Getting Chemicals Into Trees Without Spraying, Michael R. Kuhns
All Current Publications
Chemicals are applied to trees for many reasons. Insecticides repel or kill damaging insects, fungicides treat or prevent fungal diseases, nutrients and plant growth regulators affect growth, and herbicides kill trees or prevent sprouting after tree removal. Spraying is the most typical way to apply these chemicals. It is fast, uses readily available equipment, and is understood. The down side of spraying is that much of the chemical being applied is wasted, either to drift, run off, or because it can not be applied precisely to where it is needed in the tree. Also, in many cases the chemical is …
Corn Earworm, Diane G. Alston, Shawn Olsen, James Barnhill
Corn Earworm, Diane G. Alston, Shawn Olsen, James Barnhill
All Current Publications
In Utah, there are typically three generations of corn earworm (CEW) each year. The first generation of adults either come from overwintering pupae (southern and central Utah), or migrate into northern Utah. The adult moth is tannish brown with a 1 1/2 inch wingspan. The front wings are marked with a distinct dark spot in the center and darker bands near the outer margins. The hind wings are lighter tan, with a dark band along the outer margins. The male moths have green eyes. Moth flight occurs primarily on warm, overcast evenings. Moth populations can be monitored using pheromone or …
Selecting And Using Organic Fertilizers, Mike Johnson, Rich Koenig
Selecting And Using Organic Fertilizers, Mike Johnson, Rich Koenig
All Current Publications
This publication gives insight into organic fertilizer types and their nutrient values.
Chinches De Cama (Bed Bugs): Para Profesionales En El Control De Pestes, Ryan S. Davis
Chinches De Cama (Bed Bugs): Para Profesionales En El Control De Pestes, Ryan S. Davis
All Current Publications
En la última década, reportes de infestaciones de chinches de cama (Cimicidae: Cimex lectularius) han estado en aumento en todo Norte América y en otros países. De acuerdo con esto, las presentaciones de chinches de cama al Utah Plant Pest Diagnostic Lab también han aumentado. Esta hoja de datos ha sido diseñada para informar a los profesionales en el control de pestes de las complejidades involucradas en la erradicación de chinches de cama.
Termitas Subterraneas, Erin Hodgson, Alan H. Roe
Termitas Subterraneas, Erin Hodgson, Alan H. Roe
All Current Publications
Las termitas subterráneas son insectos sociales con un sistema de castas, y pertenecen al orden Isoptera y a la familia Termitidae. Estas termitas están relacionadas cercanamente a termitas de madera seca (Kalotermitidae) y de madera húmeda (Termopsidae).
Hemipteran Beneficiosos: Damsel Bugs, Ricardo Ramirez, Ron Patterson, Forest Young
Hemipteran Beneficiosos: Damsel Bugs, Ricardo Ramirez, Ron Patterson, Forest Young
All Current Publications
Los insectos depredadores pueden proveer un control de pestes natural al comer insectos no deseados. Este servicio beneficioso se llama control biológico. Los insectos depredadores son una de las razones por las que las poblaciones de pestes pueden mantenerse a niveles no-dañinos.
Bumble Flower Beetle, Taun Beddes, Ryan S. Davis
Bumble Flower Beetle, Taun Beddes, Ryan S. Davis
All Current Publications
The bumble flower beetle (BFB) is a common member of the Scarabaeidae (scarab) beetle family. Its common name originated because adult BFB’s often fly close to the ground and emit a loud buzzing sound similar to that of a bumble bee. Larvae (grubs) and adults are often found in or near fermenting and/or decomposing organic matter.
Western Flower Thrips (Frankliniella Occidentalis), L. Irene Terry, Diane Alston
Western Flower Thrips (Frankliniella Occidentalis), L. Irene Terry, Diane Alston
All Current Publications
Western flower thrips (WTF; Thysanoptera: Thripidae) are native to western North America and are widespread throughout this region.
Western Tentiform Leafminer Phyllonorycter Elmaella, Diane G. Alston, Michael E. Reding
Western Tentiform Leafminer Phyllonorycter Elmaella, Diane G. Alston, Michael E. Reding
All Current Publications
Western tentiform leafminer populations can vary tremendously between years or even between generations within a single year. A large population in Utah's commercial fruit districts hasn't been observed since the early 2000s. Increasing resistance to organophosphate insecticides and variable effectiveness of at least six parasitic wasp species that attack the leafminer can influence the population size.
Beneficial True Bugs: Big-Eyed Bugs, Ricardo Ramirez, Ron Patterson
Beneficial True Bugs: Big-Eyed Bugs, Ricardo Ramirez, Ron Patterson
All Current Publications
Predatory insects can provide natural pest control by eating unwanted pests. Insect predators are one factor that help maintain pest populations at non-damaging levels, an action known as biological control. By conserving predatory insect populations, plants can be protected from pest attack and excessive damage.
Buying And Feeding The Family Milk Cow, Allen Young
Buying And Feeding The Family Milk Cow, Allen Young
All Current Publications
This publication lists characteristics of cow breeds, how to choose the right breed for your needs, how to maintain the animal, and how to control and monitor milk production.
Procedure And Checklist For Water Vaccination Of Meat Turkey Flocks, David D. Frame
Procedure And Checklist For Water Vaccination Of Meat Turkey Flocks, David D. Frame
All Current Publications
Vaccination for certain diseases is an important component of the health management program for commercial meat turkey production. Because of logistical challenges almost all routine vaccination of meat turkey flocks is administered through the drinking water.
Winterizing Your Horse's Feet, Scott Mckendrick, James Keyes, Karmella Dolecheck
Winterizing Your Horse's Feet, Scott Mckendrick, James Keyes, Karmella Dolecheck
All Current Publications
This publication gives tips and instructions on winterizing horse's feet in order to keep them safe and healthy.
Controlling Slugs And Snails In Utah, Larry A. Sagers, Kerry A. Rood
Controlling Slugs And Snails In Utah, Larry A. Sagers, Kerry A. Rood
All Current Publications
Slugs and snails are rated by many gardeners as the worst garden pests. Considering their competition, this is a dubious honor. These pests are not insects but are mollusks that are more closely related to shellfish, such as mussels and clams.
Flax Facts, Carolyn Washburn
Flax Facts, Carolyn Washburn
All Current Publications
This fact sheet provides nutritional, safety, storage, and health information on flax.
Cranberries, Melanie Jewkes
Cranberries, Melanie Jewkes
All Current Publications
Cranberries can be an easy way to add variety to meals and snacks. Learn how to use fresh cranberries and other ways to incorporate the nutritional benefits of cranberries into your diet.
White Apple Leafhopper, Diane G. Alston, Michael E. Reding
White Apple Leafhopper, Diane G. Alston, Michael E. Reding
All Current Publications
No abstract provided.
The Communicator, October 2011, Terry Messmer
The Communicator, October 2011, Terry Messmer
All Current Publications
This publication is an issue of "The Communicator" highlighting details of sage-grouse local working groups.
Preventing Poisoning Of Pets When Using Slug And Snail Baits, Kerry A. Rood, Larry A. Sagers
Preventing Poisoning Of Pets When Using Slug And Snail Baits, Kerry A. Rood, Larry A. Sagers
All Current Publications
Slugs and snails are one of the most common garden pests in the State of Utah. Because they are so widespread and destructive, many different methods are used to keep the pests under control. Baits are frequently applied as a treatment, but using pesticides can create hazard for non-target wildlife and pets.
Pear Sawfly, Vincent P. Jones, Ryan S. Davis
Pear Sawfly, Vincent P. Jones, Ryan S. Davis
All Current Publications
The pear sawfly, which is actually a wasp, is a common pest on pear, cherry, and hawthorn in Utah. The slug-like appearance of the larval stage has prompted this insect to also be referred to as the pear or cherry slug in various parts of the country.
Understanding High Altitude Cooking, Abbey Carlson, Karin Allen
Understanding High Altitude Cooking, Abbey Carlson, Karin Allen
All Current Publications
At high altitudes, there is lower atmospheric pressure simply because there is less atmosphere above us. Picture a column of air above you.
Peach Leaf Curl Disease, Claudia Nischwitz
Peach Leaf Curl Disease, Claudia Nischwitz
All Current Publications
No abstract provided.
Utah’S Adaptive Resources Management Greater Sage-Grouse Local Working Groups Accomplishment Report, Utah State University Extension
Utah’S Adaptive Resources Management Greater Sage-Grouse Local Working Groups Accomplishment Report, Utah State University Extension
All Current Publications
No abstract provided.
Eriophyid Mites, Bud, Blister, Gall, And Rust Mites, Ryan S. Davis, Taun Beddes
Eriophyid Mites, Bud, Blister, Gall, And Rust Mites, Ryan S. Davis, Taun Beddes
All Current Publications
Eriophyid mites are translucent, cigar-shaped microscopic mites that cause deformities on many plants species. These mites are noticed when their feeding causes abnormalities of plant tissues such as erineum, galls, brooms, leaf curling, blisters, rusts, silvering, fruit rusetting, and deformed buds, catkins, fruits, etc. Fortunately, these mites rarely cause serious harm to plants, and control is seldom needed. In fact, eriophyid mites can serve as an alternative food source for predatory mites when their primary food source is absent.
Tips For Teaching Knife Skills, Karin E. Allen, Janet Smith
Tips For Teaching Knife Skills, Karin E. Allen, Janet Smith
All Current Publications
This publication gives tips about teaching knife skills safely and effectively.
Elm Bark Beetles And Dutch Elm Disease, Ryan S. Davis
Elm Bark Beetles And Dutch Elm Disease, Ryan S. Davis
All Current Publications
Bark beetles (Family Curculionidae, Subfamily Scolytinae) are some of the most devastating insect pests in the world. Closely related to weevils, there are almost 500 species of bark beetles in North America alone, each with unique host plants, habits, and life cycles. It is crucial to accurately identify a suspect bark beetle before you consider treatment options.
Fall Webworm, Ryan S. Davis, Vincent P. Jones
Fall Webworm, Ryan S. Davis, Vincent P. Jones
All Current Publications
The fall webworm, Hyphantria cunea, is a common defoliator of ornamental and fruit trees in Utah. Starting around late July, the caterpillars, webbing, and damage become noticeable, particularly in some of the canyons adjacent to populated areas (Little Cottonwood canyon, Logan canyon, Provo canyon, etc.).