Tag: diseases

A vine suffering from Phylloxera vastatrix

Phylloxera discovered in Washington State

Walla Walla, a well-known wine region in Washington State, was believed to be exempt from the vine louse (phylloxera vastatrix). Therefore, the recent discovery of the louse that is so dangerous to the vines dealt

Glera grapes ready to be harvested in the Prosecco region in Italy

Resistant grape varieties spark debate

The vine is in many ways a robust plant that can withstand difficult conditions and drought. But it has weaknesses. One is that it is prone to fungal diseases. No vineyard can survive without spraying.

A vine suffering from Phylloxera vastatrix

Phylloxera strikes in Australia

When we talk about countries with non-grafted vines, most people think of Chile, the only country in the world that is completely free from phylloxera, the small wine louse that infects the wine roots and

Vine pruned in winter in water

Rain and rain and rain in Bordeaux causes problems

It doesn’t stop raining in Bordeaux. As spring progresses, wine producers face problems. It is difficult to drive the tractor and to walk in a wet and muddy vineyard. This is inconvenient for those growers

Bayer buys Monsanto?

To combat pests, diseases, and to remove weeds belong to the everyday tasks of a farmer and a wine grower. There is a lot of money – and controversy – in pesticides so therefore the

Black-rot in southern France

Black-rot is a difficult fungal disease that affects the vines when rainfall is plentiful. And it has been plentiful, so say the least, in France this spring and early summer. Black-rot (as it is called

Stricter rules in Austria for spraying with copper

Organic producers are criticized for their use of copper in the vineyards. The EU allows 6 kilograms of copper per hectare and per year for organic producers, as we mentioned recently (Organic viticulture: How do

New organic pesticide against rot (bytritis)

UK research company Eden Research has developed an organic pesticide, called 3AEY. The product has now been approved for sale in the EU. 3AEY is made of tea tree oil and lemon juice and is

Esca, a big problem in the French vineyards

The French wine harvest 2014 has largely given the wine producers adequate quantity and a good quality. But all is not rosy in the vineyard. There is a disease that wreaks havoc in the vineyards

Mandatory spraying in the vineyard

It can be costly to refuse to spray against the grasshopper that spread the disease flavescence corée. Flavescence dorée is a bacterial disease that weakens the vine. The only thing you can do to prevent

Divico, new fungus-resistant grape

A new grape has been born in Switzerland, developed by the research institute Agroscope Changins. The Swiss are good at developing environmentally friendly grapes and this new grape, called Divico, has good resistance to both

Downy mildew attacks Burgundy

Coulure has been a problem in the French vineyards this year. But a bigger problem is probably the downy mildew. According to La Vigne, the mildew attacks started early this year in Burgundy, already at

Cool flowering causes coulure in the vineyards

After a hard winter the wine growers had hoped for a nice spring and early summer. But instead, diseases have spread in the vineyards.  La Vigne informs about cool and rainy weather during flowering, which

Wood disease – maladie de bois

A big problem in many vineyards today is ’maladie de bois’ (wood disease?). It is a fungal disease that attacks the vine and finally kills it (there are several different types, e.g. esca and eutypiose).

A vine suffering from Phylloxera vastatrix

Phylloxera strikes in Australia

When we talk about countries with non-grafted vines, most people think of Chile, the only country in the world that is completely free from phylloxera,

Bayer buys Monsanto?

To combat pests, diseases, and to remove weeds belong to the everyday tasks of a farmer and a wine grower. There is a lot of

Black-rot in southern France

Black-rot is a difficult fungal disease that affects the vines when rainfall is plentiful. And it has been plentiful, so say the least, in France

Mandatory spraying in the vineyard

It can be costly to refuse to spray against the grasshopper that spread the disease flavescence corée. Flavescence dorée is a bacterial disease that weakens

Divico, new fungus-resistant grape

A new grape has been born in Switzerland, developed by the research institute Agroscope Changins. The Swiss are good at developing environmentally friendly grapes and

Downy mildew attacks Burgundy

Coulure has been a problem in the French vineyards this year. But a bigger problem is probably the downy mildew. According to La Vigne, the

Wood disease – maladie de bois

A big problem in many vineyards today is ’maladie de bois’ (wood disease?). It is a fungal disease that attacks the vine and finally kills