Code:
OIV
464,
IPGRI
0,
IPGRI
Name: Cluster: degree of resistance to black rot
Description: To observe in environments usually affected by the black rot (Phyllosticta ampelicida). Examination at least in two growth stages: berry growth and bunch closure. Verify the extent and size of the typical lesions / spots of damaged berries that rot in a short time, covered with pycnidia, and become mummies strongly attached to the pedicel.
1 = Almost all the bunches involved, with a high frequency of damaged berries.
3 = Most of the bunches involved, with a high frequency of damaged berries.
5 = Few bunches affected with medium incidence of damaged berries.
7 = Only partially damaged berries.
9 = No visible symptoms.
Category:
,
GROUP OF CHARACTERISTICS,
ORGAN
Subcategory:
BLACK ROT,
BIOTIC RESISTANCE - FUNGUS,
LEAF - MATURE,
LEAF - YOUNG
Code: OIV 464, IPGRI 0, IPGRI
Name: Cluster: degree of resistance to black rot
Description: To observe in environments usually affected by the black rot (Phyllosticta ampelicida). Examination at least in two growth stages: berry growth and bunch closure. Verify the extent and size of the typical lesions / spots of damaged berries that rot in a short time, covered with pycnidia, and become mummies strongly attached to the pedicel. 1 = Almost all the bunches involved, with a high frequency of damaged berries. 3 = Most of the bunches involved, with a high frequency of damaged berries. 5 = Few bunches affected with medium incidence of damaged berries. 7 = Only partially damaged berries. 9 = No visible symptoms.
Category: , GROUP OF CHARACTERISTICS, ORGAN
Subcategory: BLACK ROT, BIOTIC RESISTANCE - FUNGUS, LEAF - MATURE, LEAF - YOUNG