Abstract: The mineral nutrents of walnut tree reproductive organs has varieties during the different seasonal. Catkins emergence was accompanied by a very fast hydrations,the dry and fresh weight were increase during the catkins development period.After it’s matured , they were all reduced . Nutrients remobilition level from the catkins, higher for N,P,Mn,Cu,Zn. The female flowers dry and fresh weight were increase during the development period, all nutrients in female flowers increased, after fertilization, the dry weight accumulation rate was higher than the nutrients accumulation rates.