Abstract:
This study was conducted to determine the differences and changes in trends of physiological metabolism in the process of adaptation to salineenvironmentsand artificial domestication among the subgenus Soja. Glycinemax,Glycine gracilisandGlycine sojawere usedas the experimental material. The determination of mineral contents during different growth periods and the photosynthetic pigments, gas exchange parameters and soluble carbohydrate contents in the initial bloom stage were investigated. The results showed that, NO3–, H2PO4–, Cu, Zn and Bcontentsand the photosynthetic pigments, gas exchangeparametersand photosynthetic product were significantly higherin salt-tolerant wild soybean than in common wild soybean. NO3–, H2PO4–, SO42–, K, Mg, Fe, Cu, Moand Mncontents were significantly lower in cultivated soybean than in common wild soybean; and CaandBwere significantly higher. The photosynthetic pigments, gas exchangeparametersand photosynthetic product at the initial bloom stagein cultivated soybeanwere significant higher thanin common wild soybeanand semi-wild soybean. The correlationsof H2PO4–, SO42–, K, Mg, Moand Mnwith photosynthetic characteristic parameters significantlydifferedamong members of Soja. Our study confirmed that mineral contentsand photosynthetic characteristics among Soja had evolvedtowards thedifferent environmentsand human requirementsduring long-term natural selection and artificial domestication. These findings will contribute to understandingthe evolutionarytrend of soybean.
Page(s):
1017-1024
DOI:
DOI not available
Published:
Journal: International Journal of Agriculture and Biology, Volume: 18, Issue: 5, Year: 2016