These bunches are more sensitive to developing various grape diseases.

It shunned new product development and avoided advertising spending like a bad grape disease.

The vine ripens late and is susceptible to many grape diseases including oidium.

In damp conditions, the vine can be prone to developing various grape diseases such as mildew and rot.

What had not survived the spread of Black rot and other grape diseases was severely damaged by Prohibition.

Edelweiss has strong resistance to grape disease and fungus and can tolerate negative thirty-five degree temperatures.

This will dramatically swell the berries, potentially causing to them crack or burst which will make the prone to various grape diseases.

The grape is a relatively easy to grow due to high resistance to various vine and grape disease such coulure.

The grape is also fairly resistant to most grape diseases but does have some susceptibility to powdery mildew.

Grolleau is sensitive to several grape diseases including excoriose and stem rot.

Perhaps due to inbreeding in Nebbiolo's lineage, the vine is very prone to grape diseases caused by viruses.

The grape vine is prone to grape diseases like anthracnose and downy mildew.

Most of the growing season is dry with the lack of humidity limiting the risk and hazard from various grape diseases and fungal rot.

In wet, humid climates poor air circulation can promote the development of various grape diseases such as powdery mildew and grey rot.

Canopy management is an important aspect of viticulture due to its effect on grape yields, quality, vigor, and the prevention of grape diseases.

The Pascal blanc vine is extremely sensitive to many grape diseases, particularly powdery mildew and grape rots.

Additionally the vine is very susceptible to various grape diseases including downey mildew, grey rot and oidium.

With a tendency to bud and ripen early, the vine produces high yields and vigorous growth with a relatively high resistance to most grape diseases.

In general, Cabernet Sauvignon has good resistance to most grape diseases, powdery mildew being the most noted exception.

Like many other American vine species, Vitis labrusca has some natural resistance to many grape diseases, including phylloxera.

Excerpt from Dr. Wayne Wilcox's Grape Disease Notes, 2009 suggests a possible way for controlling black rot on grapes in organic farming.

Many of these vines have developed various viral grape diseases and producers have slowly been replanting acres with young vines of newer clones and rootstock.

Baco blanc was developed to produce some of the same flavors as Folle blanche but without the susceptibility to American grape disease and phylloxera.

The grape continued to grow in popularity till the Powdery mildew epidemic of 1852 exposed Cabernet Sauvignon's sensitivity to that grape disease.

With high rainfall and average mean temperature of 66 F (19 C), the threats of fungal grape diseases and botrytis rot are constant viticultural hazards.