Cannabis glossary

Aphids are small, sap-sucking insects that can damage cannabis plants by feeding on their juices.

Botrytis (bud rot) is a fungal infection that affects cannabis plants, causing decay and spoilage of the buds.

Broad mites are tiny pests that infest plants, causing damage to leaves and buds.

One-sentence definition: Calcium deficiency in cannabis plants is a nutrient disorder that can cause stunted growth and leaf discoloration.

Caterpillars are larvae of butterflies and moths that can damage cannabis plants by feeding on their leaves and stems.

Chlorosis is the yellowing of plant leaves due to insufficient chlorophyll production.

Damping-off is a common seedling disease caused by fungi, leading to the collapse and death of young plants.

Fungus gnats are small, flying insects that can cause damage to cannabis plants by feeding on their roots.

Fusarium is a genus of fungi that can cause wilting and disease in cannabis plants.

Heat stress is a condition where cannabis plants experience damage due to excessive heat exposure.

Hop latent viroid (HLVd) is a pathogen that affects cannabis plants, potentially reducing yield and quality.

Interveinal chlorosis refers to the yellowing of leaves while the veins remain green, often indicating nutrient deficiencies.

Leaf miners are small insects that burrow into and feed on plant leaves, creating visible tunnels or trails.

Light stress refers to the adverse effects on cannabis plants caused by excessive or insufficient light exposure, impacting growth and yield.

Magnesium deficiency is a disorder in cannabis plants characterized by interveinal chlorosis and poor growth due to insufficient magnesium levels.

Mosaic viruses are plant pathogens that cause discoloured patterns on cannabis leaves, affecting plant health and yield.

Nutrient burn occurs when cannabis plants absorb too many nutrients, leading to leaf discoloration and damage.

Nutrient lockout occurs when cannabis plants cannot absorb essential nutrients due to pH imbalance or salt buildup.

Overwatering occurs when plants receive more water than they can absorb, leading to nutrient deficiencies and potential root rot.

Powdery mildew is a fungal disease that affects cannabis plants, causing a white, powdery growth on leaves and stems.