Effect of temperature on seed germination and emergence of Salvia plebeia R.BR. In vindhyan region climatic condition

Abstract

The temperature of the air around plants has a big effect on how they grow and develop. The Salvia plebeia R.Br. plant is sensitive to temperature and grows best in mild climates. Its original habitat is above 2,000 meters above sea level, but it has been successfully planted as a winter crop in subtropical plains. In subtropical climates, seed growth rates changed depending on the temperature. A study was done using the laboratory incubation method to look at how seed germination and emergence change when the temperature changes. Every day, changes in temperature from 5°C to 30°C, with 5°C steps, were used to see how they affected the germination and appearance of seeds. The study found that temperature had a big effect on how quickly Salvia plebeia R.Br. seeds sprouted and grew. At 25°C, seeds grew the most (78.48%), then at 20°C (74.41%), and then at 15°C (65.77%). At 5°C, they grew the least (2.31%). Similarly, the first seed to sprout took four days at 25°C. For this reason, it was decided that the best temperature range for Salvia plebeia R.Br. seeds to germinate is from 25°C to 15°C, with 25°C being the hottest and 15°C being the coolest.