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http://nopr.niscpr.res.in/handle/123456789/17118| Title: | Performance of Spodoptera litura Fabricius on different host plants: Influence of nitrogen and total phenolics of plants and mid-gut esterase activity of the insect |
| Authors: | Ghumare, S S Mukherjee, S N |
| Keywords: | Host plants;Mid-gut esterase activity;Nitrogen: Spodopetra litura;Total phenolics |
| Issue Date: | Aug-2003 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Five host plants [castor, Ricinus communis (Carolus Linnaeus): cotton, Gossypium hirstum (Carolus Linneaus): tomato, Lycopersicum esculentum (Philip Miller); mint, Mentha arvensis (Carolus Linneaus) and cabbage,Brassica oleracea(Carolus Linnaeus)] belonging to different families were used to study the performance of the Asian armyworm. Spodoptera litura larvae. Highest consumption of food and dry weight gain was observed in larvae fed on castor. Mint did not support optimum larval growth because of low digestibility and low efficiency of conversion of digested food to body matter. Dry weight gain ranged from 26.64mg on mint to 86.80mg in castor. These differences tend to be related to nitrogen and total phenolics content of the leaf tissues; however, the most clear-cut correlation is an inverse one between the host plant preference and the ratio of total phenolics to nitrogen in the leaf tissues. Mid-gut esterase activity in larvae showed an increasing trend with the increase in total phenolics: nitrogen ratio in the test plants and the order of mid-gut esterase activity in larvae was mint > cabbage > cotton> tomato > castor. |
| Page(s): | 895-899 |
| ISSN: | 0975-1009 (Online); 0019-5189 (Print) |
| Appears in Collections: | IJEB Vol.41(08) [August 2003] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJEB 41(8) 895-899.pdf | 1.08 MB | Adobe PDF | View/Open |
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