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What is the significance of secondary growth? |
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Answer» The significance of secondary growth are: (i) The secondary growth adds girth to the plant. It provides support by increasing width of the aerial growth. (ii) It produces a corky bark around the tree trunk that protects the interior parts from abrasion, heat cold and infection. (iii) It adds new conducting tissues for replacing old non-functioning ones as well as for meeting increased demand for long distance transport of sap and organic nutrients. |
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