The Plant Growth Regulator $(PGR)$,ethylene,comes under the category of:

Identify the plant hormone to which the given functions belong:
$I.$ Initiates flowering in pineapples
$II.$ Induces flowering in mango
$III.$ Root growth and root hair promotion
Select the correct sequence for $I, II, III$.

Write the importance of Ethephon.

Ethylene gas:

Which one is not an ethylene effect?

Root development is promoted by