Chemical induction of growth 



[a) Culture fask for large numbers of carrot explants : free floating cells in the ambient fluid. 



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, ^-*^v*' V- i" 









CJ* 



(6) Tissue culture from small explant 

 organized growing centre. 



with 



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{c) Tissue cidture from small explant showing 

 root formation. 



{d) Carrot roots developed in cultures grown 

 from free floating cells. 



Figure 1. 



167 



