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Table 2 Examples of Brazilian plants under domestication and their documented trends in changes resulting from artificial selection

From: Brazilian and Mexican experiences in the study of incipient domestication

Species (Family)

Common name

Life form

Plant part used

Character

Selection trend

References

Acca selowiana (O. Berg) Burret (Myrtaceae)

Goiabinha serrana

Tree

Fruit

Fruit weight

Heavy fruit

[14]

    

Length-diameter ratio

Elongated fruit

 
    

Fruit shape

  

Araucaria angustifolia (Bertol.) Kuntze (Araucariaceae)

Pinheiro-Brasileiro

Tree

Pine

Pine size

Larger pine

[98]

    

Productivity

More productive specimens

 
    

Pine flavor

Sweeter pine

 

Manihot esculenta ssp. esculenta (Euphorbiaceae)

Cassava

Shrub

Tuberous root (sometimes leaves)

Stem cuts

Lower degree of branching favoring propagation by cuttings and lowering flowering, partial loss of defenses. Faster growth through change in seedling morphology

[99101]

    

Seedlings

  

Spondias tuberosa Arruda (Anacardiaceae)

Umbuzeiro

Tree

Fruit

Fruit size

Larger fruit

[14, 78]

    

Pit size

Small pit

 
    

Fruit rind thickness

Thinner

 
    

Pulp yield

Higher yield

 
    

Fruit shape

Oblong fruit

 

Theobroma cacao L.(Malvaceae)

Cocoa

Tree

Seeds

Fruit’s peel

Thinner (Pentagona type)

[102]

    

Seed/fruit rate

Higher (Pentagona type)

 
    

Pulp flavor

Sweet (var. Criollo)

 
    

Fermentation time

Less (var. Criollo)

 

Euterpe oleraceae Mart. (Arecaceae)

Açaí

Tree

Fruit

Fruit color

Purplish fruit

[89]

    

Fruit flavor

Multiplos caules

 
    

Ramificação do caule

  

Bertholletia excelsea Bonpl. (Lecythidaceae)

Castanheira

Tree

Fruit and seeds

Seed/fruit rate

Higher

[89]

Theobroma grandiflorum (Wild. ex. Spreng.) Schum (Malvaceae)

Cupuaçu

Tree

Fruit

Fruit size

Larger fruit

[89]

    

Number of fruit

Higher

[89]

Solanum sessiliflorum Dunal (Solanaceae)

Cubiu

Perennial herb

Fruit

Fruit size

Larger fruit

 
    

Number of loculus

Firm fruits

 
    

Number of fruit

Higher