APPENDIX VI
Growth and Flowering
Daylength and growth of Cannabis.
Long photoperiods promote the most rapid vegetative growth.
 
(adapted from McPhee)
089
Daylength and flowering in Cannabis.
Longer photo periods inhibit the onset of flowering
 
(adapted from McPhee)
090
091
Inductive time until flowering in Cannabis.
The older a plant is the more easily it is induced to flower.
 
(adapted from Heslop-Harrison)
092
Effect of the number of short days on flowering of Cannabis. The greater the number of inductive photoperiods the sooner the plant will flower.
 
(adapted from Heslop-Harrison)
093
Sex reversal and date of planting in Cannabis.
Plants started in the short days of winter have the highest percentage of sex reversal.
 
(adapted from Schaffner)