Successful management of Botrytis bunch rot can be achieved through the use of several strategies. By employing cultural control methods, properly applying fungicides, and using resistant cultivars when practical, the disease can be managed.

Botrytis bunch rot is caused by the fungus Botrytis cinerea. This fungus is very common in nature and causes diseases on a variety of unrelated crops. Bunch rot can cause serious losses on highly susceptible grape varieties.

Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as "botrytis bunch rot"; in horticulture, it is usually called "grey mould" or "gray mold". The fungus gives rise to two different kinds of infections on grapes.

Botrytis bunch rot is the most important disease of grape clusters in the world. Caused by the fungus Botrytis cinerea, it can occur anytime during the growing season, but grapes are most likely to be damaged near harvest, and the pathogen can overcome a cluster very quickly.

Apr 6, 2023 · Botrytis bunch rot, or gray mold, exists in all vineyards worldwide. This disease is caused by the fungus Botrytis cinerea and is commonly associated with the decay of ripe or nearly ripe grapes. Temperature and damp climates favor disease development.

Jun 24, 2020 · Botrytis bunch rot is one of the most important diseases of grapes worldwide. Botrytis bunch rot infection can cause huge economic losses in grape production due to the preharvest infection in the field, which leads to reduced …

Dec 12, 2023 · What is Bunch Rot of Grapes? Bunch rot, or scientifically known as Botrytis cinerea, is that sneaky fungal villain causing havoc in vineyards. It’s a threat during grape growth and ripening, showcasing itself as either Early-Season Shoot Blight or Infected Berries. Early-Season Shoot Blight is when prior it occurs before fruit ripening.

Once berries start to ripen, B. cinerea resumes growth and healthy berries can become infected and develop bunch rot. Most any green or succulent plant part is susceptible to gray mold disease after wet conditions. Infection of flowers and berries are the important damage because this reduces fruit yield, and diseased berries are inedible.

Many fungal and bacterial organisms, of which Botrytis cinerea is the most important, can infect grapes and result in a bunch rot. Botrytis cinerea has a large host range and grows and sporulates on most of them.

Botrytis cinerea is a fungal pathogen that affects many plant species, including wine grapes, where it commonly know as Botrytis bunch rot (BBR) or gray mold. As one of the most important late-season rots, BBR typically develops close to harvest, but it can also occur earlier during mid-season under favorable conditions.