In this article we will discuss about the classification of various plant movements. 1. Autonomic Movements: These movements are due to internal causes. For instance, the organism and reproductive cells move as a whole from place to place. Some of the common examples are ciliary movements. 2. Ciliary Movements: The cilium is a widely occurring organelle of eukaryotic plant cells. [...]
In this article we will discuss about the growth regulators in flowering. Phytohormones and Flower Initiation: In recent years considerable information has accumulated to demonstrate that growth regulations change the flowering behaviour of several plant species. Further the effect of growth regulators varies with the plant species, its age, concentration of growth regulators employed as well as temperature, etc. The [...]
The following points highlight the two main approaches of photoperiodic time measurement. Approach # 1. The Conception of Physiological Clock of Erwin Bunning: This is also known as biological clock or oscillating clock. Bunning performed several experiments in Kalanchoeblossfeldiana. In this species the petals open in the morning and close down in the evening. It is also possible to maintain [...]