Influence of leaf blight on yields in geranium Pelargonium graveolens |
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| Authors: | A Kalra T N Parameswaran N S Ravindra H B Singh |
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| Institution: | 1. Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Indiaroot@cimap.sirnetd.ernet.in;3. Central Institute of Medicinal and Aromatic Plants, Field Station, GKVK P. O., Bangalore-560065, India;4. Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, India |
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| Abstract: | SummaryExperiments were conducted during 1993 and 1994 at Bangalore, India, to estimate the reductions in yield of essential oil caused by leaf blight (Colletotrichum gloeosporioides (Penz.) Sacc.) on three geranium (Pelargonium graveolens (L.) Herit) clones. Leaf blight resulted in smaller reductions in oil yield in an Algerian-type (Kd) clone than a Reunion-type (Lo) and an Egyptian-type (Eg) clone. The results indicate that even expensive disease management practices can be recommended for management of leaf blight on the Lo and Eg clones in regions where leaf blight is prevalent, because increases in severity of leaf blight may cause considerable economic loss. Such measures, however, may not be economically viable for the Kd clone. |
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