Medical Marijuana Glossary


Medical Marijuana Glossary



Browse the glossary using this index

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F

F1

first filial generation, the offspring of two P1 (parent) plants

F2

second filial generation, resulting from a cross between two F1 plants

Fan Leaves

large, fan-like marijuana leaves: Fan leaves are usually low in potency

Female

pistillate, ovule, and seed producing

Fertilize

1. to apply fertilizer (nutrients) to roots and foliage 2. to impregnate (unite) male pollen with female plant ovary

Fertilizer Burn

over fertilization; first, leaf tips brown (turn brown), then leaves curl

Flat

a shallow container used to start seedlings or clones

Flower

blossom, a mass of calyxes on a stem, top, or bud

Foliage

the leaves, or more generally, the green part of a plant

Foliar Feed

misting fertilizer solution, which is absorbed by the foliage

Foot-Candle (fc)

one fc is equal to the amount of light that falls on one square foot of surface located one foot away from one candle

Fritted

to fuse or embed nutrients with a glass compound: Fritted Trace Elements (FTE) is long lasting and do not easily leach out of substrate

Fungicide

product that destroys or inhibits fungus

Fungistat

product that inhibits fungus

Fungus

a lower plant (lacking chlorophyll) that may attack green plants: Mold, rust, mildew, mushrooms, and bacteria are fungi

Fuse

an electrical safety device made of a metal that melts and interrupts the circuit when overloaded

Fuse Box

Electrical circuit box containing circuits controlled by fuses