Rice plants take around 3–6 months to grow from seeds to mature plants, reckoning on the range and environmental conditions. They bear 3 general growth phases: vegetative, procreative, and ripening. Rice varieties is categorised into 2 groups: the short-duration varieties that mature in 105–120 days and therefore the long-duration varieties that mature in one hundred fifty days. A 120-day selection, once planted in a very tropical atmosphere, spends regarding sixty days within the vegetative part, thirty days within the procreative part, and thirty days within the ripening part. the primary sign that the rice plant is preparing to enter its procreative part may be a bulging of the leaf stem that conceals the developing raceme, known as the ‘booting’ stage. Then the tip of the developing raceme emerges from the stem and continues to grow. Rainy days or low temperatures might lengthen the ripening part, whereas sunny and heat days might shorten it. The last 3 stages of growth structure the ripening part.
