Method of propagating a
Methods of propagating a Cannabis cutting are provided. A method of propagating a Cannabis cutting can include: providing a coherent growth substrate comprising man-made vitreous fibres bonded with a cured binder composition, the growth substrate having a density in the range of 60 kilograms per cubic meter (kg/m 3 ) to 70 kg/m 3 ; inserting the Cannabis cutting into the growth substrate at a location where the growth substrate does not have a seed hole; and providing a nutrient solution having an electrical conductivity value between 1.6 milli-Siemens per centimeter (mS/cm) and 2.4 mS/cm to the Cannabis cutting in the growth substrate.
1. A method of propagating a Cannabis cutting, the method comprising the steps of:
i) providing a coherent growth substrate comprising man-made vitreous fibres (MMVF) bonded with a cured binder composition, wherein the coherent growth substrate has a density in a range of 60 kg/m 3 to 70 kg/m 3 ;
ii) inserting the Cannabis cutting into the coherent growth substrate at a location where the coherent growth substrate does not have a seed hole; and
iii) providing a nutrient solution having an electrical conductivity (EC) value between 1.6 mS/cm and 2.4 mS/cm to the Cannabis cutting in the coherent growth substrate.
2. The method according to claim 1 , wherein the binder composition comprises:
a) a sugar component; and
b) a reaction product of a polycarboxylic acid component and an alkanolamine component,
wherein the binder composition prior to curing contains at least 42% by weight of the sugar component based on the total dry matter weight of binder components of the binder composition.
3. The method according to claim 1 , wherein the method lasts 2 to 3 weeks.
4. The method according to claim 1 , wherein the method lasts less than 2 weeks.
5. The method according to claim 1 , wherein the Cannabis cutting inserted into the coherent growth substrate is 10 to 14 days old when cut from a mother plant.
6. The method according to claim 1 , wherein the Cannabis cutting inserted into the coherent growth substrate has a length in a range of 8 to 15 cm.
7. The method according to claim 1 wherein the Cannabis cutting inserted into the coherent growth substrate has a stem diameter in a range of 3 to 8 mm.
8. The method according to claim 1 wherein the Cannabis cutting inserted into the coherent growth substrate has a length in a range of 10 to 12 cm and a stem diameter of 5 mm.
9. The method according to claim 1 , wherein the Cannabis cutting is inserted into the coherent growth substrate such that the cutting is 5 to 10 mm below a top surface of the coherent growth substrate.
10. The method according to claim 1 , wherein the coherent growth substrate has a cube shape.
11. The method according to claim 1 , wherein the coherent growth substrate has a density of 65 kg/m 3 .
12. The method according to claim 1 , wherein step iii is performed twice.
13. The method according to claim 1 , further comprising an additional step of saturating the coherent growth substrate with nutrient solution having an EC value between 1.6 and 2.4 mS/cm.
14. The method according to claim 13 , wherein this additional step of saturating the coherent growth substrate is performed prior to inserting the Cannabis cutting into the coherent growth substrate.
15. The method according to claim 13 , wherein a water content of the coherent growth substrate is maintained between 30 to 80% after the additional step of saturating the coherent growth substrate.
16. The method according to claim 1 , wherein the coherent growth substrate comprises an alkyl ether sulphate surfactant wetting agent.
17. The method according to claim 1 , wherein the entire coherent growth substrate does not comprise any seed holes.
18. Use of a coherent growth substrate for propagating a Cannabis cutting, the use comprising the steps of:
i) inserting the Cannabis cutting into the coherent growth substrate at a location where the coherent growth substrate does not have a seed hole; and
ii) providing a nutrient solution having an electrical conductivity (EC) value between 1.6 mS/cm and 2.4 mS/cm to the Cannabis cutting in the coherent growth substrate;
wherein the coherent growth substrate comprises man-made vitreous fibres (MMVF) bonded with a cured binder composition; and
wherein the coherent growth substrate has a density in a range of 60 kg/m 3 to 70 kg/m 3 .
19. The use according to claim 18 , wherein the binder composition comprises:
a) a sugar component; and
b) a reaction product of a polycarboxylic acid component and an alkanolamine component,
wherein the binder composition prior to curing contains at least 42% by weight of the sugar component based on the total dry matter weight of binder components of the binder composition.
20. The use according to claim 18 , wherein the Cannabis cutting inserted into the coherent growth substrate is 10 to 14 days old when cut from a mother plant,
wherein the Cannabis cutting inserted into the coherent growth substrate has a length in a range of 8 to 15 cm,
wherein the Cannabis cutting inserted into the coherent growth substrate has a stem diameter in a range of 3 to 8 mm,
wherein the Cannabis cutting is inserted into the coherent growth substrate such that the cutting is 5 to 10 mm below a top surface of the coherent growth substrate, and
wherein the coherent growth substrate comprises an alkyl ether sulphate surfactant wetting agent.