Plant movement in response to diffuse stimulus of light is

One hormone hastens the maturity period in juvenile conifers,a second hormone controls xylem differentiation,while the third increases the tolerance of plants to various stresses. They are respectively:

The number of female flowers can be increased by the application of:

Thigmotropism is best observed in

Ephemerals are xerophytes that are:

$A$ green plant turns pale when transferred to prolonged darkness. It represents a phenomenon called