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Once your cannabis plants have successfully germinated and established themselves, it’s time to focus on training and pruning techniques to optimize yields and shape your plants. In this blog post, we will guide you through the crucial steps from training to harvest, helping you cultivate healthy and productive cannabis plants.
1.1 Topping: Topping involves removing the main stem’s apical bud, stimulating the growth of multiple colas. After the plant develops a few sets of leaves, carefully cut off the top growth, leaving two to three nodes below. This encourages lateral branching and helps maintain an even canopy.
1.2 FIMming: Similar to topping, FIMming involves pinching or cutting off the new growth’s tip. Unlike topping, FIMming doesn’t remove the entire apical bud, allowing it to divide into multiple colas. Pinch or cut about 75-80% of the new growth to achieve the desired effect.
1.3 LST (Low-Stress Training): LST involves gently bending and tying down branches to create a more even and horizontal canopy. This technique allows for better light penetration and encourages more bud development. Use soft ties or plant-specific training clips to secure the branches without causing damage.
1.4 ScrOG (Screen of Green): A ScrOG setup involves placing a screen or net above the plants and weaving branches through it as they grow. This technique promotes an even canopy and maximizes light exposure. Regularly tuck and weave the branches until they fill the screen, creating a flat and uniform plant canopy.
2.1 Remove Lower Growth: As your plants mature, remove the lower branches and leaves that receive less light. These lower sections tend to produce smaller, less potent buds and removing them allows the plant to redirect energy towards the upper canopy, where the buds receive more light and airflow.
2.2 Defoliation: During the flowering stage, some defoliation can help increase airflow and light penetration, promoting bud development. Remove large fan leaves that shade smaller buds or block light from reaching lower branches. However, be cautious not to overdo it and stress the plant.
2.3 Lollipop Technique: Lollipopping involves removing the lower branches and growth, leaving only the top canopy and a few bud sites on the middle section of the plant. This technique ensures energy is directed to the upper buds, resulting in larger, more potent flowers.
3.1 Transition to Flowering: To initiate the flowering stage, adjust the light cycle to 12 hours of light and 12 hours of uninterrupted darkness. Monitor the plants closely during this stage, as they will start forming buds.
3.2 Monitor Nutrients: Adjust your nutrient regimen to support flowering. Increase the ratio of phosphorus (P) and potassium (K) in the nutrient mix, as these elements promote bud development. Follow the manufacturer’s instructions and monitor pH levels.
3.3 Flushing: Approximately two weeks before harvest, start flushing your plants by using plain, pH-balanced water. Flushing removes any built-up salts or excess nutrients, resulting in a cleaner and smoother final product.
3.4 Harvesting: Harvesting timing is critical. Monitor the trichomes (the resin glands on the buds) using a magnifying glass or microscope. Look for a milky-white appearance with some amber-colored trichomes for the desired level of potency. Harvesting too early or too late can impact the quality and effects of the buds.
Mastering training and pruning techniques plays a crucial role in optimizing cannabis growth and maximizing yields. From topping and FIMming to LST and pruning.