Grapes

A list of resources for Grape Pest and Weed Management

Many vineyards are approaching or already within 30 days of the anticipated harvest date for early wine grape varieties. During this window, grape berries are becoming very susceptible to a variety of late-season rots, such as ripe rot, sour rot, Botrytis bunch rot, and other “secondary-fungi” associated with bunch rots.

Timely Viticulture is an electronic newsletter designed to remind grape producers of seasonal vineyard needs and considerations throughout the year.

Pierce’s Disease—Background and Management for commercial grapes.

Herbaceous aroma in wines, such as “bell pepper” or “stemmyness,” is caused by a family of chemicals known as methoxypyrazines (MPs).

Pre-planting renovation and soil conditioning information for new vineyards and small fruit agriculture such as grapes, strawberries, and blueberries.

Nematodes are worm-shaped animals found in many different environments and 10% of known nematode species are parasites of plants. Plant-parasitic nematodes are thread-like, virtually invisible to the naked eye when in the soil or within plant material, and range from 1/50 to 1/8 of an inch (0.2 to 4.0 mm) long with a diameter of about 1/1000 of an inch (30 µm).

The previous “Timely Viticulture” addressed some basic information on MALB and this message will concentrate on management tactics. Some sections of this message were intentionally repeated, but there is new information throughout.

Multi-small fruit spray program for the control of major small fruit pests and diseases.

The Spotted Lanternfly (SLF) is now confirmed in Cecil and Harford Counties in Maryland, and has the potential to be a very significant pest in vineyards. For background information, please see the TimelyVit Spotted Lanternfly (SLF) I—Background, for basic information. This Timely Viticulture was created to give growers information of how to scout for the pest and some management options and strategies.