Grape Production

This weekly news update reports on ripening progress of wine grape cultivars from commercial vineyards in Pennsylvania.

Participate in a dormant grapevine pruning workshop led by industry experts, featuring essential techniques and advanced practices to improve vineyard health with indoor and outdoor demonstrations.

Test your understanding of SLF, its impact on grapevines, and effective management strategies.

This news article is in response to the recently proposed cancellation of mancozeb for use in grape production, by the Environmental Protection Agency.

A brief review of reminders and considerations in the vineyard and winery as the vine transitions from the vegetative growth stage to the fruit ripening period.

A summary of how grapevine fruit zone leaf removal has been mechanized.

An overview of grapevine fruit zone leaf removal.

A basic overview of grapevine cane and spur pruning anatomy and mechanics.

Between Subsistence and Sustainability on Isla Fuerte, Colombia

A manual for use in extension workshops that details laboratory procedures related to juice and wine analysis; it is aimed at individuals involved in the Pennsylvania wine industry.

This policy brief, "Women Grape and Wine Producers in Pennsylvania, USA, and Mendoza, Argentina: Meeting Sustainability Challenges Through Networks," highlights findings from an interdisciplinary project.

Traditional spraying systems in orchards and vineyards operate at a constant rate using a standard nozzle setup, which can be inefficient due to variable row spacing and canopy sizes.

A recent webinar reviewed the principles of assessing and managing nutrient status in mature vineyards.

A brief review of fruit zone leaf removal to manage grape diseases and fruit composition.

Join us for a review covering spotted lanternfly observations beyond vineyards, followed by its specific impact on grapevine health and commercial vineyard management.

Herbicides based on plant growth regulators (PGRs), or "auxin" herbicides, such as 2,4-D, dicamba, triclopyr, etc., are known for creating high-risk drift scenarios that can impact the health and productivity of unintended target crops.

Explore USDA-NIFA's FRAME Networks project on fungicide resistance. Uncover patterns, tools, and resources. Essential for vineyard professionals.

This guide reviews general herbicide drift fundamentals, including how to manage drift, and is aimed at herbicide applicators and grape and wine producers.

In this article, we will discuss the use of early leaf removal (ELR), a canopy management practice implemented around bloom.

This article will focus on shoot thinning, the first canopy management practice of the growing season.

This article provides identification, damage, quarantine, and management information for the spotted lanternfly, an invasive sap-feeding planthopper that feeds on the vine trunk, shoots, and leaves of grape plants, among other crops.

When early spring warming is followed by below freezing temperatures, grape growers keep their fingers crossed hoping to escape freeze injury.

Potassium (K) plays a critical role in many plant physiology and biochemistry processes such as photosynthesis, osmoregulation, and enzyme activation.

Downy mildew, Plasmopara viticola, can infect berries, leaves, and young shoots. It occurs wherever it is wet and warm during the growing season.

Black rot, Guignardia bidwelli, is one of the most serious diseases of grapes in the eastern United States.