Bioactivity of Ocimum gratissimum L. oil and two of its constituents against five insect pests attacking stored food products

Ogendo, Joshua O.; Kostyukovsky, M.; Ravid, Uzi; Matasyoh, Josphat C.; Deng, A. L.; Omolo, E. O.; Kariuki, S. T.; Shaaya, Eli

doi:10.1016/j.jspr.2008.02.009

Cited by 242 publications

(174 citation statements)

References 30 publications

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“…Several researchers have screened many plants products for the control of insects pest of stored cereals and grains (Adedire and Ajayi, 2003;Isman, 2007;Ogendo et al, 2008;Oyegoke et al, 2010;Asawalam et al, 2012;Akinneye and Ogungbite, 2013;Babarinde et al, 2008bBabarinde et al, , 2013Babarinde et al, 2014Babarinde et al, , 2015Babarinde et al, , 2016. In this study, the results show that extracts of S. birrea leaf significantly reduced the abundance of S. zeamais Toxicity of Sclerocarya birrea and Azadirachta indica extracts against maize weevil 52(4) 2017through increased mortality.…”

Section: Resultsmentioning

confidence: 99%

Toxicity of Sclerocarya birrea and Azadirachta indica extracts against maize weevil Sitophilus zeamais Motchulsky (Coleoptera: Curculionidae) in storage

Babarinde

Petinrin

Adeleye

et al. 2017

Bangladesh J. Sci. Ind. Res.

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Toxicity of Sclerocarya birrea A. Rich. (Anacardiaceae) leaf and bark and Azadirachta indica A. Juss (Meliaceae) leaf extracts against Sitophilus zeamais Motchulsky (Coleoptera: Curculionidae) was evaluated under the laboratory conditions (77±4% relative humidity and 27±3 o C temperature). When extracted doses were compared, mortality was dose-and exposure period-dependent. At 1 DAT, A. indica leaf extract had significantly (p<0.05) higher mortality (12.50-15.00%) than that of S. birrea bark extract (5.00-15.50%). However at 5 DAT, when 0.45 ml/33 cm 2 was applied, mortality was not significantly (p>0.05) different and ranged from 91.25 to 97.5% for all the botanicals. When the extracting solvents were compared, mortality was exposure period-dependent with highest percentage mortality (99.17%) recorded at 5 DAT in S. birrea petroleum ether leaf extract, which was significantly higher than that of mortality observed in filter paper treated with the petroleum ether extracts of other botanicals. However, there was no significant difference in the effect of the two studied solvents. The results highlight the insecticidal potentials of the selected Nigerian-grown botanicals against maize weevil and recommend them as component of weevil Integrated Pest Management, in the areas where the botanicals are abundant.

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Section: Resultsmentioning

confidence: 99%

Toxicity of Sclerocarya birrea and Azadirachta indica extracts against maize weevil Sitophilus zeamais Motchulsky (Coleoptera: Curculionidae) in storage

Babarinde

Petinrin

Adeleye

et al. 2017

Bangladesh J. Sci. Ind. Res.

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“…[20][21][22]. The effectiveness of botanicals in the study was generally better as compared to the conventional insecticide in the control of aphid.…”

Section: Effects Of Treatments On Multiple Head Formation Weight Andmentioning

confidence: 99%

Exploiting the Insecticidal Potential of the Invasive Siam Weed, Chromolaena odorata L. (Asteraceae) in the Management of the Major Pests of Cabbage and their Natural Enemies in Southern Ghana

GN¹,

C²

2016

Adv Crop Sci Tech

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Cabbage is an important leafy vegetable widely cultivated and consumed in Ghana. It offers a good source of vitamins and minerals to the human body. Despite its importance cabbage production is constrained by insect pests attack. Chemical control has being the main strategy, but without much success, thus the need for alternative options for pest management. Field experiments were conducted in the major and minor rainy seasons of 2014 to evaluate the insecticidal potential of Siam weed, Chromolaena odorata L. at three concentrations (10, 20 and 30 g/L w/v) in the management of the key pests of cabbage and its effect on their natural enemies. Neem seed extract (50 g/L) and Lambda cyhalothrin (Sunhalothrin ® 2.5 ml/L) were used as reference insecticides with tap water as a control. The key pests recorded during the major season were the cabbage aphid, Brevicoryne brassicae, and cabbage webworm, Hellula undalis, whiles Diamondback moths (DBM), Plutella xylostella and B. brassicae were recorded in the minor season. Generally, the three concentrations of C. odorata were efficacious in controlling aphids and DBM than the tap water and conventional insecticide, Sunhalothrin ® in both the minor and major seasons. However, the 10 and 20 g/L C. odorata recorded the highest buildup of natural enemy populations and also had higher yield as compared to 30 g/L C. odorata, Sunhalothrin ® , and tap water. The cabbage plots sprayed with neem obtained the highest yield and was the most economical to adopt, followed by the Chromolaena, and the least being the synthetic insecticide. Crude extracts from neem and C. odorata could become an integral part in the Integrated Pest Management of vegetables, especially in smallholder farms.

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“…Many plant products, such as essential oils, have been screened for their repellent activity against stored grain pests [23,34,35]. Other studies have shown that T. castaneum can also be repelled by essential oils from Evodia rutaecarpa [36], Ocimum gratissimum L. [37] and Artemisia vulgaris L. [38].…”

Section: Repellent Activitymentioning

confidence: 99%

Insecticidal and Repellent Activities of Toddalia asiatica (L.) Lam. Extracts against Three Major Stored Product Pests

Stephen¹

2014

Entomol Ornithol Herpetol

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Fumigant toxicity and repellent activity of Toddalia asiatica (L.) Lam. (Rutaceae) leaf and fruit extracts were screened against Callosobruchus maculatus (F.), Sitophilus oryzae (L.) and Tribolium castaneum (Herbst) adults. All the three solvent extracts of leaf and fruits recorded mortality and repellency against the three tested insects in a concentration dependent manner. C. maculatus was the most susceptible pest to the treatments. Lethal concentrations for 50 percent mortality (LC 50 ) of C. maculatus, S. oryzae and T. castaneum were recorded as 39.19, 44.13 and 61.10 µL/L, respectively. Diethyl ether fruit extract exhibited 100% repellent activity against C. maculatus and S. oryzae and 92% against T. castaneum adults at 20 µL concentration. These results suggested that Diethyl ether fruit extract of T. asiatica can be used as an ecofriendly fumigant and repellent against C. maculatus, S. oryzae and T. castaneum.

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Bioactivity of Ocimum gratissimum L. oil and two of its constituents against five insect pests attacking stored food products

Cited by 242 publications

References 30 publications

Toxicity of Sclerocarya birrea and Azadirachta indica extracts against maize weevil Sitophilus zeamais Motchulsky (Coleoptera: Curculionidae) in storage

Toxicity of Sclerocarya birrea and Azadirachta indica extracts against maize weevil Sitophilus zeamais Motchulsky (Coleoptera: Curculionidae) in storage

Exploiting the Insecticidal Potential of the Invasive Siam Weed, Chromolaena odorata L. (Asteraceae) in the Management of the Major Pests of Cabbage and their Natural Enemies in Southern Ghana

Insecticidal and Repellent Activities of Toddalia asiatica (L.) Lam. Extracts against Three Major Stored Product Pests

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