Biologia plantarum 37:349, 1995 | DOI: 10.1007/BF02913239
Seasonal pattern of photosynthetic rate and its relationship with chlorophyll content, ribulose-1,5-bisphosphate carboxylase activity and biomass production
- 1 Department of Botany, Sri Venkateswara University, Tirupati, India
Net photosynthetic rate (PN), ribulose-1,5-bisphosphate carboxylase (RuBPC) activity, chlorophyll (Chl) content and biomass production were estimated at monthly intervals inChukrasia tabularis, Dolichandrone atrovirens, Eugenia jambolana, Gmelina arborea, Lannea coromandelica, Terminalia arjuna andTerminalia bellerica from September 1990 to August 1991. The leaves of all the seven tree species showed significantly higher PN during summer than in winter and these rates differed from one species to the other. A positive correlation was found between PN of different tree species and their Chl content or biomass production. There was no significant correlation between ribulose-1,5-bisphosphate carboxylase activity and PN when these were expressed on leaf area basis.
Keywords: Chukrasia tabularis; Dolichandrone atrovirens; Eugenia jambolana; Gmelina arborea; Lannea coromandelica; Terminalia arjuna; Terminalia bellerica
Received: November 29, 1994; Accepted: March 23, 1995; Published: June 1, 1995 Show citation
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