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- Title
Aptness of entomogenus fungi with diatomaceous earth against various stored grain insect pests.
- Authors
Hanif, Ch. Muhammad Shahid; Mansha, Muhammad Zeeshan; Aatif, Hafiz Muhammad; Zaman, Qamar uz; Ijaz, Muhammad; Ikram, Kamran; Khan, Azhar Abbas; Ismail, Muhammad; Ashir, Muhammad
- Abstract
Background: Numerous biotic and abiotic factors are responsible for losses of grains quality and quantity during storage. Insecticides used to control stored grain insect pests are not only hazardous to mammals and environment but also induce resistance in insect pests towards these synthetic chemicals. A current trial was conducted, during 2020, in a stored grain laboratory at the College of Agriculture, BZU, Bahadur Sub Campus, Layyah, Punjab, Pakistan. A diatomaceous earth (DE) formulation enhanced with bitterbarkomycin (DEBBM) and combined with Beauveria bassiana (Balsamo) Vuillemin was evaluated against Cryptolestes ferrugineus, (Stephens) (Coleoptera: Laemophloeidae), Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) and Tribolium castaneum (Coleoptera: Tenebrionidae) under laboratory conditions. Results: DEBBM was applied at the rate of 50 mg/kg, DE (150 mg/kg) and Beauveria bassiana (1.5 × 108 and 1.5 × 1010 conidia/kg) alone as well as in combination with wheat, rice and maize. Treated adult mortality was recorded at 7, 14 and 21 days after exposure. Results of the current study showed that insect pest mortality was maximum in the case of combined application of DEBBM with B. bassiana (high concentration) at prolonged exposure time as compared to their alone application. Mortality of C. ferrugineus was maximum in wheat and rice (100%) over maize (97%), while, R. dominica exhibited high mortality in wheat (100%) followed by rice (97%) and maize (94%) at combined application of DEBBM with B. bassiana (high concentration) after 21 days. Regarding T. castaneum mortality was high in wheat (100%) followed by rice (93%) and maize (88%) in case of combined application of DEBBM with B. bassiana (high concentration) at prolonged exposure time (21 days). Conclusion: In crux, the current trial showed that a mixture of DEBBM and B. bassiana is helpful in controlling tested insect pests.
- Subjects
PAKISTAN; PUNJAB; INSECT pests; DIATOMACEOUS earth; INSECT mortality; INSECT pest control; RHYZOPERTHA dominica; GRAIN
- Publication
Egyptian Journal of Biological Pest Control, 2022, Vol 32, Issue 1, p1
- ISSN
1110-1768
- Publication type
Article
- DOI
10.1186/s41938-022-00514-w