Wine glossary

vine diseases
Definition:

Vine illnesses and diseases, as well as the negative effects of pests, can be caused by a fungus (downy and powdery mildrew, botrytis, rotbrenner and esca), viruses (stunted growth, leaf roll), bacteria (crown gall), grapevine pest (phylloxera, the grape caterpillar) or nutrient difficiency (chlorosis, bunch stem necrosis).