Wine Grape Growing



NECROSIS. The localized death of plant tissue, generally brown or black in color.

NEMATODE . Microscopic, parasitic roundworm that lives in (endo-parasitic) or feeds on (ecto-parasitic) grape roots. They can stunt vine growth and some vector viral disease.

NITRIFICATION. The conversion of ammonium to nitrate by microorganisms, which is an acidifying process.

NOBLE ROT. Noble rot is the benevolent form of a grey fungus, Botrytis cinerea, affecting wine grapes.

NODE. The thickened portion of a shoot or cane where the leaf and its compound bud are attached.