Introductory Crop Physiology (1+1)

Bleeding

• The exudation of water and cell sap through the cuts or wound of plants is called as bleeding.
  
• It also happens due to positive root pressure. In certain plants the pressure is developed either in the phloem elements or in the cells surrounding the cut or wounds.
  
• The exudations of toddy juice form the wounded stem of Borassus and latex form rubber stem are the examples of bleeding.
  
• It has been utilized in the production of various economically important products link rubber, sugar and alcoholic drinks.
  

Exudation of reddish brown liquid through cracks on a coconut tree

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Exudation of Rubber from the Rubber plant

courtesy: http://img.alibaba.com