Code:
OIV
460
Name: Degree of resistance to Eutypa dieback
Category:
,
GROUP OF CHARACTERISTICS,
ORGAN
Subcategory:
EUTYPA DIEBACK,
BIOTIC RESISTANCE - FUNGUS,
PLANT
Code: OIV 460
Name: Degree of resistance to Eutypa dieback
Category: , GROUP OF CHARACTERISTICS, ORGAN
Subcategory: EUTYPA DIEBACK, BIOTIC RESISTANCE - FUNGUS, PLANT
Primay descriptor priority list
For a quick characterisation of varieties the Genres CT 96 No81 - partners compiled a Primary description priority list. The list encompasses 14 priority one primary descriptors. The chosen descriptors show a good discriminating power between varieties. Most of them are easy to score.
Description
Observations of Eutypa dieback (Eutypa lata) for several years on the same parcels during at least two stages: during flowering and the development of berries. Examination of the incidence of adult plants (10 and more years) which lead to sudden wilting of the vegetation with chlorotic alteration of the leaves on large interveinal spaces and necrosis, early leaf drop; drying out of the cordon; bunches with withering and drying of the rachis.Level expression
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