Towards a Domestication Strategy for Indigenous Fruit Trees in the Tropics - Indigenous Fruit Trees in the Tropics: Domestication, Utilization and Commercialization - page 38

Fruit ideotype

Fruit mass

AR21

AL5

Pulp mass

Oil content

Kernel ideotype

AR20

WRF23

Kernel mass Skin mass

Shell mass Flesh/juice mass

Nut mass

Fig. 2.3. Fruit and kernel ideotypes for marula ( Sclerocarya birrea ) in South Africa, with the
best-fit trees (after Leakey, 2005).

Fruit

LEVEL

Flesh Nut

1

Pulp Juice Skin Shell Kernel

Other uses

Waste

2

Taste Nutritional

value

Processing
quality

Medicinal
products

Food Oil

3

Distilled
liquor

Beer and
wine

Cosmetics Edible

oils

Fig. 2.4. The development of single-purpose ideotypes as a tool for cultivars with different
levels of market focus and sophistication.