The gaseous plant growth regulator is used in plants to :
speed up the malting process
promote root growth and roothair formation to increase the absorption surface
help overcome apical dominance
kill dicotyledonous weeds in the fields
Ethylene is a gaseous plant hormone. It induces development of adventitious roots on various types of cutting. It promotes the development of lateral roots and growth of root hairs. Cytokinin helps to over come the apical dominance. Auxin is used to kill dicot weeds. Gibberellin speeds up the malting process.
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