Evaluation of Drought Resistant and Response of Millet Seed Germination Under Drought Stress

Millet(Setaria italica(L.)Beauv) is excellent drought resisting crop and important to agriculture.But in recent years,with the warming of the global climate,the water is severe shortage,in the cultivation areas,annual precipitation is 250-450 mm,nine years of spring in ten years were drought,In order to select drought resistant varieties to adapt to cultivation on dry land.In this study,the materials were 9 millet materials.The sprout index of drought resisting,vigor index of drought resisting,and relative germination rate,relative germination potential of 9 millet seeds tested under different osmotic potentials(PEG-6000) to evaluate their drought resistance using the fussy subordinate function.The results indicated that Guo 08-25 and Chi 10-321 had relatively the highest and the lowest drought resistance.The average subordinate values of them resistance to drought stress were relatively 0.710 and 0.023.