Up Eichorn-Lorenz Stages in Shoot Development in the Grapevine

01 Winter dormancy: winter bud scales more or less closed
02 Bud swelling: buds expand inside the bud scales
03 Wool (doeskin stage): brownish wool clearly visible
05 Bud burst: green shoot first clearly visible
07 First leaf unfolded and spread away from shoot
09 Two to three leaves unfolded
12 Five to six leaves unfolded: inflorescence clearly visible
15 Inflorescence elongating: flowers closely pressed together
17 Inflorescence fully developed: flowers separating
19 Beginning of flowering: first caps falling
21 Early flowering: 25% of caps fallen
23 Full flowering: 50% of caps fallen
25 Late flowering: 80% of caps fallen
27 Fruit set: young fruits begin to swell, remains of flowers lost
29 Berries small: bunches begin to hang
31 Berries pea-sized: bunches hang
33 Beginning of berry touch
35 Beginning of berry ripening: beginning of loss of green colour veraison
38 Berries ripe for harvest
41 After harvest, end of wood maturation
43 Begining of leaf fall
47 End of leaf fall

Reprinted from Eichorn and Lorenz 1977
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