Based on crop grouping and plant use, the main divisions or branches of horticulture are:
1. Olericulture – The production of vegetables includes storage, processing, and marketing.
Vegetable crops are grown for their succulent and edible parts such as the roots, stems, leaves, young tops, flowers, fruits, or seeds for use in culinary preparations either fresh or preserved in the fresh state.
2. Pomology – The branch of horticulture that deals with fruit crop production. Fruit crops are grown for their edible fruits which, as a rule, are consumed raw.
3. Floriculture – The cultivation and management of cut flowers, flowering plants, and foliage plants (Louisiana State University 2011) including their use in an ornamental construct such as flower arrangement (ISHS 2011).
A term that is used interchangeably with floriculture is ornamental horticulture.
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