Environmental Influences onPhotosynthesis and Carbon Export in Greenhouse Roses during Development of the Flowering Shoot
http://journal.ashspublications.org/content/123/6/1081.abstract?sid=7fc1b5ac-03c9-4c1d-bf34-f86d388c6cfd
photosynthesis and concurrent export rates of expanded leaves on the flowering shoot of Rosa hybrida L. `Samantha' were measured at three stages of shoot and flower bud development. At 35 and 90 Pa