Hemp Dioica is the most widely used cannabis variety by growers, in nature cannabis is always of the Dioica genus. The cannabis plant after the vegetative phase will show its sex, with female pre-flowers or with pistils loaded with pollen. For the production of inflorescences it is at this point that the males will be eliminated (not necessarily thrown away). Keeping the males in contact with the females, they will pollinate the female flowers producing seeds. What absolutely to avoid if we want to produce "sin semilla". In some contexts this type of seeds can also be called regular, in fact the term dioecious (incorrectly) is used purely to indicate varieties of industrial hemp.
“Carmagnola” is a historic Italian variety, cultivated for centuries throughout Italy.
It is a genetics developed to produce biomass but produces satisfactory quantities also in terms of seed and inflorescence