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2, 3-Dimethylmaleic anhydride (3, 4-Dimethyl-2, 5-furandione): A plant derived insecticidal molecule from Colocasia esculenta var. esculenta (L.) Schott
Rajashekar, Y. and Tonsing, N. and Shantibala, T. and Manjunatha, J. R. (2016) 2, 3-Dimethylmaleic anhydride (3, 4-Dimethyl-2, 5-furandione): A plant derived insecticidal molecule from Colocasia esculenta var. esculenta (L.) Schott. Scientific Reports, 6. pp. 1-6.
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Abstract
The phasing out of methyl bromide as a fumigant, resistance problems with phosphine and other fumigants in stored product beetles, and serious concern with human health and environmental safety have triggered the search for alternative biofumigants of plant origin. Despite the identification of a large number of plants that show insecticidal activity, and the diversity of natural products with inherent eco-friendly nature, newer biofumigants of plant origin have eluded discovery. Using a bioassay driven protocol, we have now isolated a bioactive molecule from the root stock of Colocasia esculenta (L.) and characterized it as 2, 3-dimethylmaleic anhydride (3, 4-dimethyl-2, 5-furandione) based on various physico-chemical and spectroscopic techniques (IR, 1H NMR, 13C NMR and Mass). The molecule proved to be an efficient biofumigant which is highly toxic to insect pests for stored grains even at very low concentration, but has no adverse effect on seed germination. We finally address the potential for this molecule to become a, effective biofumigant.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | biofumigants plant origin |
| Subjects: | 500 Natural Sciences and Mathematics > 10 Plants 600 Technology > 03 Agriculture > 05 Insect/Pest Control |
| Divisions: | Plantation Products Spices and Flavour Technology |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 10 Jul 2017 09:02 |
| Last Modified: | 10 Jul 2017 09:02 |
| URI: | http://ir.cftri.res.in/id/eprint/12781 |
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