Definition of botrytis in English:



mass noun
  • A greyish powdery mould which causes a number of plant diseases and is deliberately cultivated (as noble rot) on the grapes used for certain wines.

    • ‘Here the grapes are left on the vines until late fall with the hope they will become infected with botrytis, or as it is euphemistically called, ‘noble rot.’’
    • ‘Grapes grown on Padthaway vineyard have a proven record for producing botrytis affected Riesling of outstanding quality; however, vintage conditions for such a wine have only occurred three times in the last nine years.’
    • ‘Mature fruiting bodies of Hemitrichia serpula, Trichia botrytis, and Trichia favoginea were documented by field collections in the tree canopy.’
    • ‘Always lusciously sweet, these wines are made from grapes infected by botrytis, or ‘noble rot,’ which concentrates the sugars and lends aromas of honey and apricots.’
    • ‘But the heat also was so dry that it inhibited in many German vineyards the growth of botrytis, the ‘noble rot’ that makes great dessert wines.’
    • ‘A main disease concern for the lily grower is botrytis, or gray mold, which can be seen on the leaves, Paul says.’
    • ‘When cutting back old peony stems, remove as much as possible to avoid infection by peony botrytis.’
    • ‘The less common diseases are botrytis, anthracnose, and canker.’
    • ‘Eastern growers must also contend with humidity-loving black rot, botrytis, downy mildew, and phomopsis.’
    • ‘Wines labelled as Sélection des Grains Nobles, however, nearly always contain a proportion of grapes affected by botrytis, or noble rot.’
    • ‘Should you see signs of botrytis on your plants, spray with copper fungicide, then remove and destroy all affected buds and leaves.’
    • ‘On a side note, we also make some very good dry Riesling that has been infected with botrytis, giving them a powerful honeycomb texture and flavour, although, sadly, these tend to be situated at the upper end of the market.’
    • ‘The botrytis mould contributes to the unique flavours of wines such as Sauternes from Bordeaux, Beerenauslese and Trockenbeerenauslese Riesling from Germany, and an array of late-harvest wines from other regions.’
    • ‘The botrytis is not heavy here, delivering a mix of honey, spice and pineapples on the nose.’
    • ‘Common onion diseases include damping off, botrytis leaf blight, downy mildew, and bacterial blight.’
    • ‘The main mechanism for the creation of Sauternes wine is a virulent but very temperamental fungus called botrytis cinerea, or botrytis to its friends.’
    • ‘If left unchecked, botrytis will kill grapes and can be a big problem to vine growers.’
    • ‘The finest and most complex sweet white wines are produced from naturally sweet grapes, their sweetness concentrated by wind, ice, drying and botrytis.’
    • ‘Cotnari is a natural white dessert wine; pale, delicate and aromatic; the result of botrytis attacking the indigenous Grasa and Frincusa, perfumed with Tamaioasa and Feteasca.’
    • ‘If you have flowers that fail to open and are covered with a grayish-brown fuzzy mold, or if you have pink ‘water spots’ on the petals, you have botrytis.’


Modern Latin, from Greek botrus ‘cluster of grapes’.