Leaf mould (cladosporiosis) Leaf mould is a disease caused by the fungus Passalora fulva (formerly Cladosporium fulvum).
Light discoloration of the leaves · light-colored spots on tomato leaves Light discoloration of leaves is a symptom indicating a problem with the plant’s functioning, not a disease in itself.
Lower leaves The lower leaves are the oldest leaves on the tomato plant, but as long as they remain healthy and well-lit, they continue to participate i…
Lignification · lignification, lignification of tissues Lignification is the process by which stem tissues become woody through the deposition of lignin in cell walls.
Lycopene Lycopene is a natural pigment in the carotenoid group that gives most tomatoes their red color and has antioxidant properties.
LED for seedlings · LED seedling lamp LED lamps are currently the most commonly used light source for growing tomato seedlings.
Local variety A local variety is one that has been cultivated and selected over many years in a specific region.
Leaf petiole The petiole connects the leaf blade to the stem and is responsible for transporting water, assimilates, and nutrients.
Leaf Removal · defoliation Leaf removal is a maintenance practice whose scope depends on the growth habit, training method, and growing conditions.
Loss of turgor · plant wilting Loss of turgor refers to a drop in pressure within plant cells caused by a lack of water or a disruption in water transport.
Light Spectrum · light spectrum The light spectrum refers to the distribution of wavelengths emitted by a light source.
Late blight · phytophthora blight Late blight is one of the most dangerous diseases affecting tomatoes and potatoes.