Tips and Tricks on Plant Growth And Development


 


1
Primary growth is formation of primary permanent tissues and organs. It is caused by activity of apical and intercalary meristems.



2
Secondary growth is increase in girth. It occurs by two types of lateral meristems, vascular cambium and cork cambium.



   3
Auxin is defined as mildly acidic growth hormone having an unsaturated ring structure and capable of promoting cell elongation, especially of shoot segments when present in concentration of less than 100 ppm.


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