A net-like vein pattern in some leaves.

A section of a stem prepared for vegetative propagation.

Water in excess of a soil's capacity. Drains downward to groundwater.

A group of vegetables belonging to the cabbage family; plants of the genus Brassica, including cauliflower, broccoli, cabbage, turnips, and brussels sprouts.

A system of pruning used primarily on fruit trees. The tree's central leader is encouraged for the first few years, then suppressed. This system allows for well-placed scaffolds and strong crotches, but keeps the tree's crown relatively close to the ground for easy harvesting. Also called modified leader.

Movement of water and soluble nutrients down through the soil profile.

A flower having all of the normal flower parts.

The middle piece of a graft combination made up of more than two parts, i.e., the piece between the scion and the root stock. See interstem.

The acronym for the three primary nutrients contained in manure, compost, and fertilizers. The N stands for nitrogen, the P stands for phosphorus, and the K stands for potassium. On a fertilizer label, the N-P-K numbers refer to the percentage of the primary nutrients (by weight) in the fertilizer. For example, a 5-10-5 fertilizer contains 5% nitro [..]

The minimum vegetative size a plant must achieve before it is capable of flowering.