21. Sirohi received the lifetime award from the Indian Society for Plant Physiology in 2003. 22. Plant physiology encompasses all the internal chemical and physical activities of plants associated with life.23. The carotenoid zeaxanthin has been hypothesized to be a blue light receptor in plant physiology . 24. Agronomy encompasses work in the areas of plant genetics, plant physiology , meteorology, and soil science. 25. In plant physiology , RGR is a measure used to quantify the speed of plant growth. 26. Originally research was conducted into plant physiology but this was gradually superseded by botanical research. 27. Secondly, plant physiology includes the study of biological and chemical processes of individual plant cells. 28. Subsequently he made some pioneering discoveries in plant physiology . 29. Scherer authored numerous publications on plant physiology and microbiology. 30. She completed three books on Linnaean botany and plant physiology and a fourth on horticulture.