Plant Growth and Development
It is known that some varieties of wheat are sown in autumn but are harvested around next mid summer.
(a) what could be the probable reason for this.
(b) What term is used for this promotion of flowering under low temperature?
(i) If wheat
is sown in the spring, the seeds germinate and produce vegetative plants in the
« following summer. In this case, the period of vegetative growth is extended
and flowering occurs only in the next summer when the cold requirements is
fulfilled during winters. The same variety, if grown in early autumn, produces
flowers in the following summer.