Photoperiod: Subject-Matter, Response and Approach | Flowering

In this article we will discuss about:- 1. Meaning of Photoperiod 2. Photoperiodic Response Groups 3. Photoinductive Cycles 4. Genetic Approach 5. Flowering Hormone. Subject-Matter of Photoperiod: Two American plant physiologists, W.W. Garner and H.A. Allard (1920) while working at the USA department of Agriculture Research Laboratories at Beltsville, Maryland made observations that tobacco variety, Maryland Mammoth, grew vegetatively in [...]