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- Title
Biotoxicants and Repellent Effect of Medicinal Plants against Trogoderma granarium Everts (Coleoptera: Dermestidae).
- Authors
Abbas, Saqi Kosar; Khan, Azhar Abbas; Ali, Yasir; Ijaz, Muhammad; Abid, Allah Ditta; Hassan, Zeshan; Ahmad, Kashmir; Aslam, Muhammad Shahzad
- Abstract
Trogoderma granarium is a very destructive pest of stored grain and cereals in hot and dry climates of the world. A wide range of hard chemistries and selective fumigants are in use to control this destructive pest, but the residual effects of these chemicals have serious health issues. The current investigation was carried out at the Grain Research, Training, and Storage Management Cell in the Integrated Pest Management Entomology laboratory in the College of Agriculture at Bahauddin Zakariya University, Bahadur Sub Campus Layyah. The study was conducted during the period of 2017-2018, to assess the insecticidal mortality and repellency properties of various plant extracts against the larvae (grub) of T. granarium.. Three plants viz; Nigella sativa (kalonji), Curcuma longa (turmeric) and Peganum harmala (hermal) were used with three different concentrations 3%, 6% and 12%. These plants are considered safer for the environment and have no mammalian toxicity. The post-treatment data regarding mortality and repellency was recorded at an interval of 24, 48, 72, 96 and 120 hours. The results showed that N. sativa extract was more effective in the mortality of T. granarium grubs, followed by C. longa and P. harmala having mortality of 46.67±3.33, 39.0±1.00 and 35.0±4.00 %, respectively. Percentage mortality was recorded after 96 hours, was 13±3.33, 20±0.00, and 43±3.33 % at the concentration of 3%, 6% and 12% respectively. The minimum corrected mortality was recorded at the lowest time period after 24 hours in all the plant extracts. In comparison among extracts, kalonji showed maximum mortality followed by turmeric and hermal respectively. The overall results showed that corrected mortality increases with an increase in concentration and time interval. The maximum repellent effect was recorded in kalonji extract while minimum repellency was observed in hermal extract. This information is useful for the successful management of T. granarium.
- Subjects
BLACK cumin; INTEGRATED pest control; MEDICINAL plants; REPELLENTS; PEGANUM harmala; PLANT extracts
- Publication
Pakistan Journal of Agricultural Sciences, 2024, Vol 61, Issue 1, p41
- ISSN
0552-9034
- Publication type
Article
- DOI
10.21162/PAKJAS/24.207