variable_of acronym Phoma stem cancer severity - Estimation Six plants per plot were assessed for severity of phoma stem canker on the upper stem. For assessing the upper stem lesion severity, the stem were cut at the upper stem area, the cross-section was scored on a 0-7 scale ( 0= no symptoms observable, 1 = ≤ 5% girdling,2= 2-25% girdling, 3=26-50% girdling, 4=51-75% girdling, 5= 75-100% girdling, 6=100% girdling ( stem weak/firm), 7 = 100% girdling (stem dead/lodged)) method_of scale_of entity attribute