Table 2 Mortality (%) of Rhyzopertha dominica in various commodities treated with DE, DEBBM and Beauveria bassiana applied sole or in combination
From: Aptness of entomogenus fungi with diatomaceous earth against various stored grain insect pests
Exposure interval days | Commodity | Mortality % at concentrations of B. bassiana (conidia kg−1), DE/DEBBM (mg/kg) | |||||||
|---|---|---|---|---|---|---|---|---|---|
1.5 × 108/0/0 | 1.5 × 1010/0/0 | 0/150/0 | 0/0/50 | 1.5 × 108/150/0 | 1.5 × 1010/150/0 | 1.5 × 108/0/50 | 1.5 × 1010/0/50 | ||
7 | Maize | 22.32a | 44.67bc | 39.11ab | 50.19b–d | 34.28ab | 60.11cd | 43.13bc | 68.20d |
Rice | 28.23a | 51.11b–d | 44.25ab | 55.78b–d | 36.33ab | 64.71cd | 49.39a–c | 72.23d | |
Wheat | 31.75a | 56.80b–d | 48.88a–c | 63.17c–e | 41.28ab | 67.89de | 55.34bcd | 77.32e | |
14 | Maize | 34.24a | 62.19c–e | 47.76a–c | 66.82de | 44.23ab | 74.52ef | 56.72b–d | 85.19f |
Rice | 43.74a | 63.71ab | 50.63a | 72.24bc | 46.71a | 77.72bc | 59.63ab | 86.62c | |
Wheat | 46.69a | 67.75b–d | 58.31a–c | 77.12c–e | 51.82ab | 81.55de | 61.39a–c | 93.46e | |
21 | Maize | 44.38a | 65.37bc | 57.10ab | 76.10cd | 52.26ab | 87.48d | 68.26bc | 94.33d |
Rice | 52.28a | 73.75b–d | 63.15a–c | 79.27a–c | 58.22ab | 92.28de | 75.21b–d | 97.24e | |
Wheat | 56.33a | 77.30bc | 67.36a–c | 84.11c–e | 62.16ab | 96.17de | 79.37b–d | 100.00e | |