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Acta Biomedica Scientia

Volume 1, Issue 2, 2013
Mcmed International
Acta Biomedica Scientia
Issn
2348 - 215X (Print), 2348 - 2168 (Online)
Frequency
bi-annual
Email
editorabs@mcmed.us
Journal Home page
http://mcmed.us/journal/abs
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Abstract
Title
PESTICIDAL EFFICACY OF SELECTED PLANTS OF NEPAL
Author
Rajendra Gyawali*, Sachin Aryal, Nitija Gautam, Mribha Manandhar, Pradip Paudyal, Safal Shrestha, Ankit Bikram Poudel, Panna Thapa, Tirtha Maiya Shrestha
Email
ragyawali@gmail.com
keyword
Plant extract, Natural pesticide, Aphids, Plant fungi, Metalyxal.
Abstract
Plant extract of Acorus calamus L, Adhatoda vasica L, Artemisia vulgaris L, Calotropis gigantea (L) W. T. Aiton., Centella asiatica (L) Urb., Curcuma longa L, Melia azadirach L, Nicotiana tabacum L, Datura stramonium L, Rhus wallichii Hook F, Punica granatum L, Vitex nugundo L, Wrightia arborea (Dennst.) Mabb. are studied for insecticidal property against cabbage aphids Brevicoryne brassicae L. These plants were also evaluated for potentiality against plant pathogens Botrytis cinerea, Sclerotium rolfsii, Fusarium moniliforme, Fusarium proliferatum, Fusarium oxysporum and compared with standard fungicide metalaxyl. All screened plants at concentration of 1.25%, 2.5%, 5%, 10% and 20% exhibited selective response with different stain of plant fungi. Acorus calamus L, Nicotiana tabacum L, Adhatoda vasica L, Artemisia vulgaris L shows significant control on cabbage aphids. Nicotiana tabacum L, showed prominent effect even at lowest concentration ie 1.25% with 50% for aphids. Diluted extracts of Rhus wallichii Hook F, Wrightia arborea (Dennst.) Mabb., Curcuma longa L, Calotropis gigantea (L) W. T. Aiton., at 20% concentration were found most effective against plant pathogens Sclerotium rolfsii, Fusarium moniliforme, Botrytis cinerea, Fusarium oxysporum respectively.
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