Factors Affecting the Yield of Industrial Hemp – Experimental Results from France - Hemp: Industrial Production and Uses - page 97

Table A1. Continued.

Remarks on
leaves and
flowers

Total
temperature Cycle Code Definition Size Duration

2302 Female flowering 50% of

bracts
formed

Full flowering
(judge the
development
of the
inflorescences)

2303 Flowering of male

flowers

1st flowers
with
closed
stamens

2304 Male flowering Most flowers

with open
stamens

Finish flowering

2305 First mature seeds 1st hard

seeds

From 90 to
105 d

2306 Seed maturity 50% hard

seeds

2307 End of seed

maturing

95% of
seeds
hard and
opening

From 105 to
130 d

Senescence
3001 Leaves drying out Dry leaves

3002 Stalks drying out Stalks fallen

to the
ground

3003 Stalks

decomposing