Various plant characteristics have been modified under domestication in relation to their usefulness for humans. The major effects of plant domestication include ;
1) Higher germination rate.
2) Greater germination predictability.
3) More unifrom timing of germination.
4) Increases size of reproductive organs.
5) Reduced complexity of reproductive organs.
6) Reduction of toxicity (humans select against self defense mechansims)
7) Change in biomass allocation (more in fruits, roots or stems depending on human preference )
8) Change in life cycle (normally from perennial to annual for seed crops and from annual to biennial for vegetable crops )
9) Change in quality of produce in terms of colour taste texture and odour.
10) Improvement in the productivity of the economic plant.

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