If you touch the leaves of Mimosa pudica, it folds and wilts. What kind of movement is this?
This is seismonastic movement. Here, the plant respond to diffused stimulus i.e. our touch or shock .
Several variations of wheat are cultivated in autumn and harvested in the next midsummer.
a) Give reason
b) What is the flowering in lower temperatures referred to as?
c) Name the plant hormone that can substitute for the cold treatment.
If planted in spring, winter varieties do not flower or generate mature grains in a span of the flowering season, hence they are cultivated in autumn. Over winter, they sprout and come out as tiny seedlings, resuming growth in the spring and are collected in mid-summer.
b) Vernalisation.
c) Gibberellin.