Hans Walter-Peterson

Here are a few ‘myths’ that we have in viticulture, and what researchers have found out about them.

Both growers and winemakers need to take responsibility for their business relationship so both parties better understand each other and benefit from that relationship.

The only way for growers to determine how much bud injury they have had in a given winter is to examine a sample of buds from their vineyards for damage.

Soil health is crucial to successfully growing grapes. And one of the most important aspects of the soil environment is pH — the measure of how acidic or alkaline the soil is.

When Thomas Jefferson planted European grapevines in Virginia more than 200 years ago, they quickly succumbed to pests […]

Grape growing is expanding in non-traditional regions where winter low temperatures would be lethal to vinifera and most […]

As an Extension agent, my job centers around making recommendations to growers that are based on scientific studies […]

One of the important characteristics of soil when it comes to supplying nutrients is its “cation exchange capacity,” […]

One of the biggest factors that influences fruit and wine quality is the balance between the amount of […]

Potassium (K) is involved in many functions of the plant, but one of its most important ones is to help compounds and ions move across cell membranes.

If there isn’t an understanding ahead of time as to what constitutes quality grapes, it can lead to problems down the road.

So often in the wine press, we read articles and interviews that talk about low yields being the key […]

Fifty years ago, vineyards were full of people at harvest time, picking grapes by hand. Large crews would […]

The growing season is always a hectic time in the vineyard. Making sure to time sprays properly, getting […]

One of the most difficult tasks for any grape grower during the growing season is trying to estimate […]

      One of the biggest challenges for grape growers in many parts of the U.S. east […]

Vineyard blindness is the inability to see the problems or opportunities for improvement in our own vineyards, even though we are in them every day.

Growers’ ability to manage their vineyards’ water status may mean the difference between having a vineyard that struggles to produce an acceptable crop and one with high-quality sustainable fruit production.

 Maintaining good organic matter levels in vineyard soils can reduce or eliminate the need to apply supplemental nitrogen materials.