CONTROL OF THE POTATO TUBER MOTH, PHTHOR! MAEA OPERCULELLA ZELLER (LEPIDOPTERA GELECHIIDAE) AT STORAGE | ||||
| Egyptian Journal of Agricultural Research | ||||
| Article 7, Volume 76, Issue 3, September 1998, Page 947-953 PDF (1.74 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejar.1998.358448 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| RAMADAN M. FARRAG | ||||
| Plant Protection Research Institute, Agricultural Research Station, Sabahia, Alexandria, Egypt | ||||
| Abstract | ||||
| The effect of Dipel 2 X, caffeine and sumithion 3% 0,60 days after treatment on infestation of potato tubers with Phthorimaea operculella was studied. Treatments with the afore-mentioned materials at concentrations of 0.1, 0.2 and 0.3% decreased infestation. At 0.3%, the percentage of infestation on tubers dropped to approximately 10% for caffeine treatment, while treatment with Dipel 2X or sumithion resulted in zero infestation compared to 100% infestation in the control after 60 days. Treatments decreased the numbers of tunnel exits on infested tubers after 60 days to 0, 0 and 2 with 0.3% Dipel 2X, sumithion and caffeine compared to 226.67 tunnel exits/1 kg. of tubers in the control. | ||||
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