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Image: Penn State Theresa Boyd
August 21, 2017

In the category of “things we don’t usually think about while flying down the highway” is powerline right-of-ways.

Range of Premier Honeycrisp maturities for the whole tree strip-picked on August 15, 2017.  Fruits were hand-sorted in the laboratory for a storage study, using 1962 USDA Golden Delicious Color Chips. Photo: Kathy Hunt, University of Maryland
August 17, 2017

Week 3 maturity assessments indicate a need to be ready for an early apple harvest and possible spray applications to prevent preharvest drop.

Severe foliar late blight symptoms on tomato. Photo: Beth K. Gugino, Penn State
August 17, 2017

On August 15, 2017 late blight was confirmed on tomato in a commercial field in Cumberland county, PA. It has previously been reported in Chester and Indiana counties on tomato and/or potato.

Corn earworm trap in Montgomery County, PA. Photo: A. Frankenfield, Penn State
August 17, 2017

Corn earworm counts can change rapidly at this time of year. Corn earworm are starting to spike in southeastern PA, and remain stubbornly high in Erie County and to the southwest near Pittsburgh.

Image:  MCOR
August 17, 2017

Rapid resource development can impact local communities through numerous channels. This webinar will focus on water withdrawals for natural gas development and the impact of related government regulations.

Image: Mortensen Lab / Penn State
August 14, 2017

Penn State research shows non-native plants are rapidly invading Pennsylvania’s northern forests and links new invasions with shale gas development activity.

Buckeye Gala (left) Premier Honeycrisp (right) Photos: T. Baugher, Penn State
August 11, 2017

This week, maturity of Premier Honeycrisp, Honeycrisp and two red Gala cultivars are compared.

Brown marmorated stink bug adult and nymphs on corn. Photo: G. Krawczyk, Penn State
August 11, 2017

The flights of the second generation codling moth (CM) and third generation oriental fruit moth (OFM) continue in most Pennsylvania pome fruit orchards.

Characteristic whitish spores produced on the underside of a late blight infected tomato leaf is how the pathogen spreads. Photo: Beth K. Gugino, Penn State
August 9, 2017

Late blight was confirmed on tomato in a home garden and is also suspected in a commercial tomato field in Indiana County.

Corn earworm trap in Montgomery County, PA. Photo: A. Frankenfield, Penn State
August 9, 2017

Although CEW are low in most locations, captures can change rapidly at this time of year. Spray thresholds for CEW are being exceeded in Erie and Lancaster Counties. ECB and FAW counts are low. Also be aware that brown marmorated stink bug tends to move into sweet corn in August.

August 9, 2017

Some nice late summer weather will precede more unsettled weather over the weekend.

August 9, 2017

Wheat yields were high, feed barley yields were variable and new malting barley lines show promise with good yields.

Figure 1. Gray Leaf Spot Photo credit: Alyssa Collins
August 9, 2017

Current weather conditions are favorable for the development of corn leaf diseases, both old and new.

Kudzu Bug Photo Credit: Jeremy Greene, Clemson University
August 9, 2017

Back in 2013, there was a burst of interest in a new exotic soybean pest that was approaching Pennsylvania, commonly referred to as kudzu bug. Just last week, entomologists announced that they found kudzu bug adults and egg masses on soybeans in Beltsville, Maryland

Palmer amaranth infestation in soybeans Photo credit: Bill Curran
August 9, 2017

Now is the time to scout for Palmer amaranth and waterhemp and remove or destroy it to prevent seed production and spread.

August 9, 2017

Speaking of herbicides and weed resistance, test your knowledge of herbicide modes of action with the short 9-question quiz found below. The quiz is anonymous, and you’ll get to view the answers at the end.

August 9, 2017

Pasture managers and hay producers have a window of opportunity in the late summer and early fall to improve existing or establish new stands through seeding.

August 9, 2017

Timeliness is extremely important to reap cover crop benefits. Several species have to be planted in August or early September to make sure goals such as nitrogen fixation, nitrate pumping from the subsoil, compaction alleviation, or forage provision can be met.

August 9, 2017

Our initial trials with Industrial Hemp are providing some guidance on best production practices for this crop in the future. The crop will be featured at Ag Progress Days.

August 9, 2017

Reports this week from across the state indicate low pest populations in the soybean fields we are scouting. Our reports from this week identify Japanese beetles, and grasshoppers as the primary defoliators, but aphids and brown marmorated stink bugs are present in some fields. Remember that vegetative stages soybeans can tolerate up to 25% defoliation without dropping yield and reproductive stage beans can tolerate 15%. So do not overreact if you find some feeding damage in your fields. For diseases, reports of Septoria brown spot and frogeye leaf spot are present in some fields, but pest pressure is low.