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GROWTH OF PLANTS 



Figure 83. Tomato shoots and plants to show the effect of 2,3,5-triiodobenzoic 

 acid on configuration, flowering habit, and correlation of organs. A, Left: control; right: 

 upper portion of main shoot of plant 51 days after 1.25 mg of the substance had been 

 added to the soil. Note that the terminal shoot ended in a flower cluster with an abnormal 

 pedicel. Arrow points to node-Hke structure. B, Left: normal plant; right: plant show- 

 ing response to the substance 21 days after 5 mg had been added to the soil. The plant 

 was approximately 6 inches in height when treated. Note curvature of stem at nodes 

 and modification of new leaves which were formed after treatment. 



