The Tree Fruit Production website has been upgraded for the new growing season and we hope you'll find many of the new features useful. You can more easily access seasonal monitoring data, and pest management and plant growth regulator recommendation tables have been added.
All the sites that we monitor for utilizing the carbohydrate model have finally reported reaching green tip as of early this week. The map shows their locations around the state and they are listed in the table in this article.
May is the battleground month for disease management: growers need to be on alert for apple scab, fire blight, powdery mildew, rust, cherry leaf spot, brown rot, and bacterial spot infection conditions. Disease infection periods are now being posted for regions in Pennsylvania and Maryland.
At the petal fall timing on pears, all stages of pear psylla - eggs, nymphs, and adults - are usually present on infested trees. Petal fall control options are presented in this article.
As colder weather influences the general development of insect pests, the low temperatures this spring are influencing moth activities and pushing this year’s biofixes (first sustained flight of moths) to the latest dates on record. It cannot be overstated how important it is to aggressively monitor all insect pests in each orchard, especially with the additional pressure coming from brown marmorated stink bug.
A cold front has dipped into the Mid-Atlantic resulting in below average temperatures for the majority of the week. Growers are on high alert with the majority of Pennsylvania under a freeze watch advisory.
Dr. Cassandra Swett started at University of Maryland, College Park as the new grape and small fruit pathologist in May 2014, with a split research and extension appointment. Her primary functions are to develop basic and applied information that improves management of grape and small fruit diseases, provide a resource to extension specialists and educators, and communicate information on disease management to producers.
Real time disease updates are now available for berry growers. "Follow" on line or via your smart phone!
Domestic honey bee hives are down by 59% compared to 60 years ago with rapid declines over the last forty years. This long term decline was punctuated by recent average losses of 30% per winter since 2006. The populations of some native bee species may also be declining.
The strawberry bloom has begun and it’s time for fruit rot protection. Our two main targets for bloom time protection of strawberries are gray mold/ Botrytis fruit rot (Botrytis cinerea), and, if you are growing susceptible varieties like Chandler, anthracnose fruit rot (Colletotrichum acutatum).
Scab infection period today, April 20, 2015, and predicted through Thursday. Rain most likely washed off all protection that was applied prior to the rain overnight and early this morning. Growers are encouraged to spray their trees to prevent scab infection. For growers in Maryland experiencing bloom, a streptomycin spray to protect open blossoms from fire blight is warranted.
We’re experiencing a scab infection period April 17. Warm, wet weather also is a threat for stone fruit blossoms that are open. Fungicides needed today to protect against scab and blossom blight caused by brown rot.
If not already completed, copper sprays are encouraged for fungal and bacterial disease control. Apple scab primary infection has kicked off this week.
The who, what, why, when, where, how and how much of everything you need to know about fire blight and its management in preparation for the 2015 season.
Penn State Extension, in cooperation with University of Vermont Extension and Rutgers Extension has developed energy-saving resources for Northeast farmers. The information is now available at E-Extension and includes information specific to tree fruit production.
Program highlights include alternative bacterial disease management, simplified pruning for high density orchards, advances in BMSB integrated management, pollinator protection, biological control of orchard pests, antibiotic resistance management, blossom thinning on apples, new apple cultivars and rootstocks, and high density peach plantings. Special guests are Dr. Richard Roush, Dean of the College of Agricultural Sciences, and Russell Redding, Pennsylvania's Secretary of Agriculture.
The Penn State Extension Tree Fruit and Pesticide Education Teams have cooperatively produced a pocket guide to tree fruit disorders, pests and beneficials. The guide is in Spanish and English and is designed for use by orchard employees - often the first individuals to detect a new occurrence of a fruit disease or insect pest.
Pollinators need a diverse, abundant food source and a place to build their nests and rear their young. As land managers, if we keep these two elements in mind we can encourage native bee populations.
In the literature covering hard cider production apples are typically classed as either ‘dessert’ or ‘true cider’ apples. Despite this dichotomy, some ‘dessert’ varieties are reported to be useful for cider.
Penn State Extension has planned ten educational meetings for commercial tree fruit growers this spring. The meetings are being held in orchards all across the state. Growers have an opportunity to visit other commercial tree fruit operations, learn from Extension specialists who are experts in their program areas, and discuss current tree fruit issues with other growers at a critical time of the growing season.