Soybean leaflet with Japanese beetle skeletonization.

Soybean trifoliate showing approximately 10, 20, and 30 percent defoliation on three leaflets. Percent of defoliation is shown on each leaflet.

Partial corn leaf showing approximate percent northern corn leaf blight severity as missing tissue. Versions are labelled with approximate percent severity. This model was developed for printers with single-color capability and northern corn leaf spot lesions are represented as lesion-shaped holes in tissue.

Soybean leaflet with approximately 2 percent severity of frogeye leaf spot lesions. This model was developed for printers with single-color capability and frogeye leaf spot lesions are represented as lesion-shaped holes in tissue.

Partial corn leaf with approximately 11 percent severity of gray leaf spot lesions. This model was developed for printers with single-color capability and gray leaf spot lesions are represented as lesion-shaped holes in tissue.

Partial corn leaves with a range of approximate defoliation severities: 1, 5, 20, and 30 percent. Each leaf has a ring so all leaves in the series can be connected and the approximate defoliation amount is marked on each leaf. The download is a ZIP file with four STL files, ...

Soybean leaflets showing a range of approximate defoliation levels including 1, 5, 10, 15, 20, and 30 percent severity. Each leaf has a ring so all leaves in the series can be connected and the approximate defoliation amount is marked on each leaf. The download is a ZIP file with ...

Water is the biggest factor in soybean yields—but most U.S. soybeans grow without irrigation. Could cover crops help balance soil moisture and boost production? Dr. Daniela Carrijo from Pennsylvania State University discusses how cover crops can aid in soil moisture goals

Fact sheet on silverleaf whitefly in Georgia

There are a number of important disease problems that can affect both the shade value and the nut crop of pecan trees.  Pecan scab, caused by the fungus Venturia effusa (syn. Cladosporium caryigenum), is the most widespread and destructive disease of pecans. Even though scab can occur on leaves and ...

Hypoxylon canker is a common disease of oaks that can affect several species of shade trees. These fungi take advantage of stressed or declining hardwood trees. Infected trees can be in various habitats, including recent or well-established residential areas and forest trees. The canker areas often become quite obvious after ...

This disease may be actually caused by two fungi, Seiridium unicorne or Botryosphaeria dothidea. Seiridium canker is perhaps the most significant and damaging disease on Leyland cypress. Botryosphaeria canker produces symptoms similar to Seiridium canker. Both disease organisms attack plants that are stressed by environmental factors, such as wounds, drought ...

It is a seasonal disease problem that becomes noticeable during hot and steamy weather. The fungus kills turf plants by causing severe blighting and defoliation of the leaves. It has not been shown to infect the roots of turfgrasses. Gray leaf spot tends to be more problematic on intensively managed ...

This document defines excellence for Extension appointed faculty, or otherwise defined as faculty within campus departments that have a partial appointment in Extension. 

This publication presents leaning and/or uprooted Southern pine (loblolly, longleaf and slash pine) recovery measurements, factors that impact degree lean and/or root damage, and management recommendations after major storm events.

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Soybean producers across the US use row spacing from 7 to 40 inches; row spacing decisions are often largely controlled by equipment availability and rotational complexity.