G. Athanassiou results 112
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Aquaponic systems integrate aquaculture and hydroponics into a closed-loop model aimed at sustainable food production. However, these systems still generate residual waste, notably aquaculture biosolids and plant residues, that must be effectively managed. This study explores the integration of the black soldier fly ( Hermetia illucens L. (Diptera: Stratomyidae); BSF) into aquaponics as a means of transforming organic waste in...
Insecticidal efficacy of diatomaceous earth against the larger grain borer, Prostephanus truncatus (Horn) on stored maizeNARA Subscribed
Laboratory studies were conducted to evaluate the insecticidal effect of diatomaceous earth (DE) against adults of Prostephanus truncatus (Horn) (Coleoptera: Bostrychidae) in maize. Four concentrations of diatomaceous earth (0, 1000, 2000, and 3000 ppm; n = 9) were tested, and adult mortality was assessed after 3, 7, 14, and 21 days of exposure. After the final mortality counts, dead and live parental adults were removed and p...
Susceptibility and attractiveness of ancient wheats to Sitophilus granarius and Rhyzopertha dominicaNARA Subscribed
Ancient wheats are valuable genetic resources and could represent a source of income for farmers. Little is known on interactions between ancient grains and storage insect pests. In the present study, the susceptibility and attractiveness of one emmer (Padre Pio) and one spelt (Benedetto) variety toward Sitophilus granarius (L.) and Rhyzopertha dominica (F.) were evaluated. Samples of Padre Pio and Benedetto, with glumes or wi...
The present study investigated the application of elevated and low temperatures as an alternative strategy for managing insect pests in stored Corinthian currants ( Vitis vinifera L., var. Apyrena). The efficacy of both high- and low-temperature exposure was evaluated against two key storage pests, Plodia interpunctella (Lepidoptera: Pyralidae) and Oryzaephilus surinamensis (Coleoptera: Silvanidae), under commercial storage co...
The utilization of agricultural byproducts as feed substrates for insect farming offers a promising strategy to enhance sustainability and reduce production costs. This study evaluated the suitability of three isoproteinic sets of diets with 17.3, 22.5 and 27.5% protein content, composed of mixtures of lupin with three other agricultural substrates, i.e. triticale, barley and oats, for the rearing of Alphitobius diaperinus lar...
Effect of temperature and relative humidity on the effectiveness of graphene on stored product insectsNARA Subscribed
This investigation assessed the insecticidal efficacy of two graphene formulations (Gr1 and Gr2) on wheat kernels against adults of Sitophilus oryzae (L.) (Coleoptera: Curculionidae) and Oryzaephilus surinamensis (L.) (Coleoptera: Silvanidae) in relation to temperature and relative humidity (RH) at concentrations of 500 and 1000 ppm. These bioassays were conducted in all possible combinations of three temperature levels: 20, 2...
The use of inert materials have been proposed as viable alternatives of traditional neurotoxic insecticides and fumigants. In this work, we examined the insecticidal effect of attapulgite, applied alone or in combination with oregano essential oil, for the control of adults of the granary weevil, Sitophilus granarius (L.) (Coleoptera: Curculionidae), on three different grains, i.e. wheat, rice and barley, and at two temperatur...