Last change: 2019.7

for further information see Explanatory Item: 306

1 Exploratory phase: Apical shoots and upper side buds form long shoots. Flat, longitudinal, expansive shoot development. 1984  
2 Intermediary form 1/3 1984  
3 Degeneration phase: Only apical bud forms long shoot. Shoots of side buds are stunted. Spear-shaped development of main shoots with reduced side shoot formation “spear-shaped”. 1984  
4 Intermediary form 3/5 1984  
5 Stagnation phase: Stunted long shoots, claw-like appearance because of pluriannual short shoot chains. 1984  
6 Intermediary form 5/7 1984  
7 Resignation phase: Die-back of twigs of the topmost part of the crown or even the whole crown itself. 1984  
8 Regeneration phase. Phase with obvious regeneration: From worse phase to a better form on the same branch. 1984