Penn State Extension

15 Results

List Grid

Corn earworm counts are rising throughout PA.
Vegetable - Small Fruit Production Issues: August 2, 2018 - News News
July started out dry and hot but transitioned quickly, with almost no warning, to very wet and hot. More
Japanese beetle on raspberries. Photo: Kathy Demchak, Penn State
Vegetable - Small Fruit Production Issues: July 12, 2018 - News News
Downy mildew was confirmed on cucumber in Mifflin County on July 11. Warmer weather throughout the state is helping crops along, but has also been good for insect pests. More
The potato leafhopper, Empoasca fabae, is a pest that is easy to overlook until the damage - called "hopperburn" - "burns" you. Photo: Penn State College of Agriculture
Vegetable - Small Fruit Current Issues: June 28 2018 - News News
Wet weather and variable temperatures across the state continue to be challenging for vegetable and berry production. More
Black rot on cabbage, caused by the bacterium Xanthomonas campestris pv. campestris. Note characteristic “V” shaped lesions starting at leaf margin. Photo: Lee Stivers, Penn State
Vegetable - Small Fruit Current Issues: Mid-June 2018 - News News
Cloudy weather, rainstorms, and variable temperatures across the state have slowed some crops and created very favorable conditions for disease development. More
Pepper transplants. Photo: Tom Ford, Penn State
Vegetable - Small Fruit Current Issues: May 18, 2018 - News News
It’s no secret that this spring has been cold and wet across Pennsylvania. On many farms, planting has been delayed as much as three weeks, and many crops already in the ground are developing more slowly than usual. More
Allium leafminer feeding damage on onion leaves. Photo: Tim Elkner, Penn State
Allium Leafminer Now Active in Southeast Pennsylvania - News News
Leaf symptoms of adult allium leafminer activity were observed on chives, garlic and wild garlic in a home garden in the Leola area of Southeast Pennsylvania on April 13, 2018. More
Photo: Bill Lamont, Penn State
Pumpkin Cultivar Trial Results - Articles Articles

Pumpkin Cultivar Trial Results

Elsa Sanchez, Ph.D., Timothy Elkner, Robert Pollock, Tom Butzler, William Lamont, Jr., Ph.D.

We evaluated twenty-one pumpkin cultivars in 2016 and 2017. More
Top dominant trees in an older orchard. Photo: Rob Crasswellar, Penn State
Home Gardening: Pruning to Renovate Old Fruit Trees - Articles Articles

Home Gardening: Pruning to Renovate Old Fruit Trees

Robert Crassweller, Ph.D., Rich Marini, Ph.D., Tara Baugher, Timothy Elkner

Use judicious pruning to renovate older fruit trees in your home landscape. More
NJ 9-2-1 (trialed as NJ 3) was a high-yielding and excellent flavored variety but the berry shape is not typical. Photo: Tim Elkner
Strawberry Cultivars for Plasticulture - Articles Articles

Strawberry Cultivars for Plasticulture

Kathy Demchak, Timothy Elkner

We collected data on performance of strawberry cultivars in the second harvest year of a plasticulture planting. More
Allium Leafminer Adult
Alert: The Allium Leafminer is active! - News News
The Allium Leafminer has emerged this week and we are already seeing feeding damage signs. Protect your crop! More
Figure 2. Pupae in base of allium plants. They have been in the pupal stage throughout the summer, and should emerge as adults this fall. Photo: L. Donoval.
Fall Re-Emergence of the Allium Leafminer - News News
It’s soon time for emergence of allium leafminer adults. More
Adult Allium Leafminer
Allium Leafminer Expected to Emerge in April - News News
The allium leafminer, Phytomyza gymnostoma, is a fly that originates from Poland, Germany, Austria and Spain, and was confirmed in 18 counties in Pennsylvania last year. More
Vegetable Gardening
Vegetable Gardening - Guides and Publications Guides and Publications

Vegetable Gardening

Elsa Sanchez, Ph.D., Timothy Elkner, Shelby Fleischer, Ph.D., Beth K. Gugino, Ph.D., Peter Ferretti, Steve Bogash, William Lamont, Jr., Ph.D., Michael Orzolek, Ph.D.

60

$10.00
Select, grow, and harvest delicious vegetables from your home garden. More
Production and Marketing of Specialty Vegetables, Vol. 1
Production and Marketing of Specialty Vegetables, Vol. 1 - Guides and Publications Guides and Publications

Production and Marketing of Specialty Vegetables, Vol. 1

Timothy Elkner, Michael Orzolek, Ph.D.

8

$2.00
Grow bitter melon, figs, ginger, globe artichoke, novelty winter squash, specialty peppers, and watercress. More
Scurf on sweet potato. Photo by Charles Averre, NC State University through Bugwood.org.
Scurf on Sweet Potato - Articles Articles

Scurf on Sweet Potato

Timothy Elkner

Scurf is a superficial discoloration of the roots and it does not affect eating quality. However, sweet potatoes with scurf are more difficult to market. More