What is vernalization?? i didnt understand the topic well. Also what is photoperiodism. Share with your friends Share 0 Sumedha Rai answered this Kindly refer to the following links:- https://www.meritnation.com/ask-answer/question/what-is-photoperiod-and-what-is-photoperiodism/improvement-in-food-resources/380156 https://www.meritnation.com/ask-answer/question/what-is-vernalization/plant-growth-and-development/2063254 0 View Full Answer