This paper describes the fruiting phenology of 110 individuals of woody species belonging to 22 taxa (21 species, 1 variety) belonging to 15 families including 2 species of figs in a scrub forest, Thiruporur, Eastern Ghats. Fruiting peak was observed during July 2009 with 11 species in fruiting, a dip was observed during March 2009 where only 2 species were in fruiting. Season wise fruiting peak was observed during South-west and North-east Monsoon while the dip was during summer.
The content of total lipids and lipofuscins was determined in leaves of S. latifolium aerial-aquatic and terrestrial plants at the flowering and fruiting phases. There were no significant differences in the lipid total content between aerial-aquatic and terrestrial plants at the flowering phase. At the fruiting phase, the lipid content was lower in terrestrial plants. Lipofuscins, the so-called senescence pigments, were determined in plants of both ecotypes at the flowering phase, although visible symptoms of senescence were absent. At the fruiting phase, there was an accumulation of lipofuscins in aerial-aquatic and terrestrial plants that may be explained by progressive senescence. The lipofuscin content was higher in terrestrial plants at both phases of ontogenesis. We concluded that earlier and more intensive senescence is typical for terrestrial plants, which are in the conditions of chronic moderate water deficit on the riverside.
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