Question

Which of the following is an example of Growth regulator herbicide?  

A Terbacil Correct Answer Incorrect Answer
B 2, 4-D Correct Answer Incorrect Answer
C MCPA Correct Answer Incorrect Answer
D Both b & c Correct Answer Incorrect Answer
E All a, b & c Correct Answer Incorrect Answer

Solution

The growth regulators include the following herbicide families’ viz. phenoxy acetic acids, benzoic acids and the pyridines. Growth regulator herbicides can act at multiple sites in a plant to disrupt hormone balance and protein synthesis and there by cause a variety of plant growth abnormalities. Examples: Phenoxy Acetic Acids, 2,4-D , MCPA, 2,4-DB    Terbacil is Photosynthesis inhibitor herbicide . 

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