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Growth stages of mono-and dicotyledonous plants - Regione ...

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Root <strong>and</strong> stem vegetables Feller et al., 1995 a<br />

Phenological growth <strong>stages</strong> <strong>and</strong> BBCH-identification keys<br />

<strong>of</strong> root <strong>and</strong> stem vegetables<br />

(Carrot = Daucus carota L. ssp. sativus, celeriac = Apium graveolens L. var.<br />

rapaceum Gaud., kohlrabi = Brassica oleracea L. var. gongylodes,<br />

chicory = Cichorium intybus var. foliosum, radish = Raphanus sativus L. ssp.,<br />

swede = Brassica napus L. ssp. rapifera Metzg., scorzonera = Scorzonera<br />

hispanica L.)<br />

Code Description<br />

Principal growth stage 0: Germination<br />

00 Dry seed<br />

01 Beginning <strong>of</strong> seed imbibition<br />

03 Seed imbibition complete<br />

05 Radicle emerged from seed<br />

07 Hypocotyl with cotyledons breaking through seed coat<br />

09 Emergence: cotyledons break through soil surface<br />

Principal growth stage 1: Leaf development (Main shoot)<br />

10 Cotyledons completely unfolded; growing point or true leaf<br />

initial visible<br />

11 First true leaf unfolded<br />

12 2nd true leaf unfolded<br />

13 3rd true leaf unfolded<br />

1 . Stages continuous till . . .<br />

19 9 or more true leaves unfolded<br />

Principal growth stage 4: Development <strong>of</strong> harvestable<br />

vegetative plant parts<br />

41 Roots beginning to exp<strong>and</strong> (diameter > 0,5 cm)<br />

42 20% <strong>of</strong> the expected root diameter reached<br />

43 30% <strong>of</strong> the expected root diameter reached<br />

44 40% <strong>of</strong> the expected root diameter reached<br />

45 50% <strong>of</strong> the expected root diameter reached<br />

46 60% <strong>of</strong> the expected root diameter reached<br />

47 70% <strong>of</strong> the expected root diameter reached<br />

48 80% <strong>of</strong> the expected root diameter reached<br />

49 Expansion complete; typical form <strong>and</strong> size <strong>of</strong> roots reached<br />

Principal growth stage 5: Inflorescence emergence<br />

51 Main shoot begins to elongate<br />

53 30% <strong>of</strong> the expected height <strong>of</strong> the main shoot reached<br />

55 First individual flowers <strong>of</strong> main inflorescence visible (still closed)<br />

57 First individual flowers <strong>of</strong> secondary inflorescences visible<br />

(still closed)<br />

59 First flower petals visible; flowers still closed

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