Teaching Organic Farming and Gardening

Propagation/Greenhouse Management

40 | Unit 1.3

Radicle
The young root as it emerges from the
seed, normally the first organ to appear on
germination

Roguing
The selective removal of seedlings affected by
pests or pathogens

Scarification
Scratching or etching a thick seed coat to
improve water uptake

Sexual Propagation
The intentional reproduction of a new
generation of plants by the germination and
growth of seeds that were created in the
previous generation through the fertilization of
a plant ovary via the union of male and female
sex cells. Results in a genetically unique plant
generation.

Glossary

Stratification

The exposure of ungerminated seeds to either

warm or cold temperature extremes to release

chemical dormancy factors

Transpiration

The loss of water vapor from a plant, mostly

from the stomata of leaves

Viability

Capability of germination