University of Maryland Extension

grapes

Final Pruning, Pre-emergence Herbicides, and Planting New Vines

Timely Viticulture Timeline - Dormant
Final Pruning Most have finished or already finished pruning. Remember, if you have a site where there is a history or severe risk of bud damage from late frosts with early budding varieties (such as ‘Chardonnay’), it is best to prune those last as this will help to delay bud break. You can also...

Balanced Pruning 3: Pre-Pruning

Timely Viticulture - Dormant
Timely Viticulture Update: February 26, 2018 “Timely Viticulture” Balanced Pruning 2 dealt with the timing of pruning relative to dormancy, deacclimation, and bud break. The best thing to do is to try to delay pruning as long as practically possible. If you could accomplish all of your pruning in...

Assessing Grapevine Bud Damage

Timely Viticulture Timeline - Dormant
Timely Viticulture Updated: February 26, 2018 Damage from low winter temperatures is arguably the greatest risk to sustainable profitable winegrape production in the eastern US. The majority of Maryland vineyards have not experienced a significant amount of low temperature damage over the past...

Understanding Grapevine Bud Damage

Timely Viticulture Timeline - Dormant
Timely Viticulture Update: February 26, 2018 Damage from low winter temperatures is arguably the greatest risk to sustainable profitable winegrape production in the eastern US. The majority of Maryland vineyards had not experienced a significant amount of low temperature damage over the past decade...

Canopy Management - Shoot Thinning and Positioning

Timely Viticulture - Pre-Bloom
Updated May 4, 2017 Managing excessive vine vigor is one the greatest battles in Eastern viticulture and this problem is exacerbated in seasons with high rainfall and warm spring temperatures. Many vigorous varieties and variety/rootstock combinations are quickly beginning to increase in shoot...

Evaluating Grape Samples For Ripeness

Timely Viticulture - Pre-Harvest
It is critical to properly monitor and assess the fruit characteristics and maturity to make the appropriate management, harvesting, and winemaking decisions to produce the best quality grapes and wine possible. The last “Timely Viticulture” described how to take a proper sample that best...

Western Maryland Regional Fruit Meeting

Thursday, Feb. 25, 2016 - 8:30am to 4:30pm
Western Maryland Research and Education Center
WESTERN MARYLAND REGIONAL FRUIT MEETING PROGRAM FEBRUARY 25, 2016 8:30 AM - 4:30 PM Western Maryland Research and Education Center (WMREC) 18330 Keedysville Road Keedysville, Maryland 21756 COST: $30.00 per person (Includes Continental Breakfast, Lunch, and Handouts) ($40.00 after Feb 18, 2016)...

Crop Development Sampling

Timely Viticulture - Pre-Harvest
It is critical to properly monitor and assess the fruit characteristics and maturity to make the appropriate management, harvesting, and winemaking decisions to produce the best quality grapes and wine possible. The first step to assess ripeness and quality is to take a proper sample that best...
Are your fruit tissue sample analyses and soil analyses up to date? It is once again that time of year to consider your sampling needs. Sample analyses are good for three years. If you need to update...

Disease Management - Botrytis

Timely Viticulture - Bloom and Pre-harvest
Botrytis is the major disease on a grower's radar screen Infections can occur early in the season during bloom and later in the season from bunch closing on to harvest. Infections that get in at bloom (through senescing blossom parts) remain latent (dormant) until some of them resume activity and...

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