Descriptor: 065 Leaf: degree of resistance to Plasmopara (065 LEAF: DEGREE OF RESISTANCE)



 
Definition:
Extension of infected mildew patches on all of 4-6 vines(i.e.4-6 replication) has to be assessed, if possible about 3 weeks after begin of flowering.
Crop:
Vitis L., wild speci
Category:
Biology descriptors
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
SYSTEM (SYS)

Distribution of Values for 065 Leaf: degree of resistance to Plasmopara (065 LEAF: DEGREE OF RESISTANCE)

CodeDefinitionNumber of Accessions
7high less necrotic attacked patches-less fructification-few mycelia2
9very high punctueted necroses or no symptoms, neither fructification nor mycelium2