Effect of shading on leaf development and chlorophyll content in groundnut (Arachis hypogaea L)

George, S.; Nair, R.V.

Legume Research 13(3): 130-132


ISSN/ISBN: 0250-5371
Accession: 002086345

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In a field trial in 1981, groundnut plants were shaded to reduce the light intensity by 25, 50 or 75% or were not shaded. Shading decreased the LAI at 30, 60 and 90 d after sowing (DAS); the decrease was significant at 60 DAS only. Decreasing light intensities increased the specific leaf area. Shading had no effect on leaf wt ratio but decreased NAR between 30 and 60 DAS; the decrease in NAR between 60 and 90 DAS was not significant. Shading increased the leaf chlorophyll contents at all growth stages.