The Bleeding on Living Phyllostachys pubescens

The bleeding on the living Phyllostachys pubescens was tested.No significant correlations were found between bleeding amount and DBH of Ph.pubescens.There were no significant changes of bleeding amount on 5 to 8 years old Ph.pubescens.No bleeding was found 24 hours later after being wounded.The bleeding amount significantly changed with site conditions, area of wound and cutting time.The bleeding amount was larger when Ph.pubescens located on the moist and shady area.The larger the area of wound, the more bleeding.Under the sunshine, no bleeding occured at the wound.However, it bled if the wound was made in evening or later.