With a unique geological history,complex land surface,climatic zones,various soil types,and different wild vegetations etc,Tibet is a typical area of vertical agricultural ecosystem.This unique and complex growing environment leads Tibetan wild rapeseeds have high genetic diversity.According to plant population modular theory and using large sampling,silique population statistical growth analysis was carried out on the branches of wild Brassica campestris and B.juncea in Tibet.The results showed that for both species the silique population of wild rapeseeds showed the same power function regulation of growth and change including convergent development and growth processes,convergent biomass growth patterns,convergent growth modulation and biomass allocation strategies,and convergent silique growth processes.
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