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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