Code:
OIV
401,
IPGRI
0,
IPGRI
Name: Resistance to iron chlorosis
Description: Iron chlorosis has to be assessed on soils with high lime content and/or during spring on heavy wet soils. It is critical to indicate whether the variety under description was grafted, growing on own roots or as a rootstock.
1 = Yellow leaves, more than 10 % of leaf surface with necroses, stunted shoots.
3 = Mature leaves with pure yellow colour, beginning necroses between main veins.
5 = Pure yellow leaves with green main veins.
7 = Pale green leaves with appearance of a net of fine green veins.
9 = Dark green leaves.
Category:
,
GROUP OF CHARACTERISTICS,
ORGAN
Subcategory:
CHLOROSIS,
ABIOTIC RESISTANCE,
PLANT
Code: OIV 401, IPGRI 0, IPGRI
Name: Resistance to iron chlorosis
Description: Iron chlorosis has to be assessed on soils with high lime content and/or during spring on heavy wet soils. It is critical to indicate whether the variety under description was grafted, growing on own roots or as a rootstock. 1 = Yellow leaves, more than 10 % of leaf surface with necroses, stunted shoots. 3 = Mature leaves with pure yellow colour, beginning necroses between main veins. 5 = Pure yellow leaves with green main veins. 7 = Pale green leaves with appearance of a net of fine green veins. 9 = Dark green leaves.
Category: , GROUP OF CHARACTERISTICS, ORGAN
Subcategory: CHLOROSIS, ABIOTIC RESISTANCE, PLANT