Abstract
Laboratory experiment was carried out to evaluate the effect of plant-based oils (Black caraway (Nigella sativa), Garlic (Allium sativum) and Olive oils (Olea europaea (L.) against C. maculatus on two local cowpea varieties. The tests were conducted under ambient laboratory conditions. Twenty pairs of 1-day old adult insects were placed on 50g seed samples treated with the plant oils at three dose rates: 0.5, 1.0 and 2.0 ml/kg. Progeny emergence, percentage damaged and weight loss were assessed after F1 emergence. On both varieties, significant differences were noted between dose rate in progeny emergence, damage and weight loss; progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls. Similarly, percentage weight loss decreased with increase in dose rate. At 2.0 ml/kg, percentage weight loss ranges from 16.8 to 43.4 and 12.6 to 31.2 in both varieties treated with Garlic, Black caraway and Olive oils as compared to 57.0±10.2, 85±0.4 and 73.4±1.1 in Biu white and 59.3±5.2, 87.3 and 70.3±4.9 in Borno Brown, in the untreated control, respectively. There are significant interaction effects between plant oils and variety and plant oils and dose rate on number of progeny that emerged and percentage weight loss. To provide effective control of C. maculatus using the plant oils, dose rates higher than 2.0ml/kg is required. This study concludes that the tested oils can be employed for managing C. maculatus in stored cowpea grains.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 11
Claim · model-written summary
garlic reduced progeny emergence of C. maculatus on Biu white to 66.0±2.0, against 147±14 in untreated controls.
- Taxon
- cowpea
Vigna unguiculatae1 - Material
- Biu whitee2
- Treatment
- garlice2
- Interactor
- C. maculatuse1pest
- Outcome
- progeny emergede2
- Direction
- decreaseinferrede2
- Value
- 66.0±2.0e2
- Qualifier
- 147±14e2
- Comparator
- untreated controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e2“progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls”
Claim · model-written summary
black caraway reduced progeny emergence of C. maculatus on Biu white to 53.1±12.9, against 213±17.7 in untreated controls.
- Taxon
- cowpeaVigna unguiculatae1
- Material
- Biu whitee2
- Treatment
- black carawaye2
- Interactor
- C. maculatuse1pest
- Outcome
- progeny emergede2
- Direction
- decreaseinferrede2
- Value
- 53.1±12.9e2
- Qualifier
- 213±17.7e2
- Comparator
- untreated controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e2“progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls”
Claim · model-written summary
olive oils reduced progeny emergence of C. maculatus on Biu white to 66.3±2.1, against 202±20.5 in untreated controls.
- Taxon
- cowpeaVigna unguiculatae1
- Material
- Biu whitee2
- Treatment
- olive oilse2
- Interactor
- C. maculatuse1pest
- Outcome
- progeny emergede2
- Direction
- decreaseinferrede2
- Value
- 66.3±2.1e2
- Qualifier
- 202±20.5e2
- Comparator
- untreated controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e2“progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls”
Claim · model-written summary
garlic reduced progeny emergence of C. maculatus on Borno brown to 19.2±0.7, against 171±21.4 in untreated controls.
- Taxon
- cowpeaVigna unguiculatae1
- Material
- Borno browne2
- Treatment
- garlice2
- Interactor
- C. maculatuse1pest
- Outcome
- progeny emergede2
- Direction
- decreaseinferrede2
- Value
- 19.2±0.7e2
- Qualifier
- 171±21.4e2
- Comparator
- untreated controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e2“progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls”
Claim · model-written summary
black caraway reduced progeny emergence of C. maculatus on Borno brown to 47.1±11.0, against 168±17.0 in untreated controls.
- Taxon
- cowpeaVigna unguiculatae1
- Material
- Borno browne2
- Treatment
- black carawaye2
- Interactor
- C. maculatuse1pest
- Outcome
- progeny emergede2
- Direction
- decreaseinferrede2
- Value
- 47.1±11.0e2
- Qualifier
- 168±17.0e2
- Comparator
- untreated controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e2“progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls”
Claim · model-written summary
olive oils reduced progeny emergence of C. maculatus on Borno brown to 49.4±4.7, against 180±23.6 in untreated controls.
- Taxon
- cowpeaVigna unguiculatae1
- Material
- Borno browne2
- Treatment
- olive oilse2
- Interactor
- C. maculatuse1pest
- Outcome
- progeny emergede2
- Direction
- decreaseinferrede2
- Value
- 49.4±4.7e2
- Qualifier
- 180±23.6e2
- Comparator
- untreated controlse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e2“progeny emerged were 66.0±2.0, 53.1±12.9 and 66.3±2.1% on Biu white and 19.2±0.7, 47.1±11.0 and 49.4±4.7 on Borno brown treated with garlic, black caraway and olive oils respectively as compared with 147±14, 213±17.7 and 202±20.5 in Biu white and 171±21.4, 168±17.0 and 180±23.6 in Borno brown, in the untreated controls”
Claim · model-written summary
At 2.0 ml/kg, garlic, black caraway and olive oils reduced percentage weight loss of stored cowpea grains to 16.8 to 43.4 and 12.6 to 31.2%.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- Garlic, Black caraway and Olive oilse3
- Interactor
- C. maculatuse1pest
- Outcome
- percentage weight losse3
- Direction
- decreaseinferrede3
- Value
- 16.8 to 43.4 and 12.6 to 31.2e3
- Qualifier
- 2.0 ml/kge3
- Comparator
- untreated controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e3“At 2.0 ml/kg, percentage weight loss ranges from 16.8 to 43.4 and 12.6 to 31.2 in both varieties treated with Garlic, Black caraway and Olive oils as compared to 57.0±10.2, 85±0.4 and 73.4±1.1 in Biu white and 59.3±5.2, 87.3 and 70.3±4.9 in Borno Brown, in the untreated control”
Claim · model-written summary
Percentage weight loss decreased with increasing dose rate of plant oils against C. maculatus.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- increase in dose ratee4
- Interactor
- C. maculatuse1pest
- Outcome
- percentage weight losse4
- Direction
- decreasede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e4“Similarly, percentage weight loss decreased with increase in dose rate”
Claim · model-written summary
Plant oils had significant interaction effects with variety and with dose rate on progeny emergence and percentage weight loss.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- plant oilse5
- Interactor
- C. maculatuse1pest
- Outcome
- number of progeny that emergede5
- Qualifier
- between plant oils and varietye5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e5“There are significant interaction effects between plant oils and variety and plant oils and dose rate on number of progeny that emerged and percentage weight loss”
Claim · model-written summary
Dose rates higher than 2.0 ml/kg are required for effective control of C. maculatus with plant oils.
- Taxon
- cowpeaVigna unguiculatae1
- Outcome
- dose rates higher than 2.0ml/kge6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e6“To provide effective control of C. maculatus using the plant oils, dose rates higher than 2.0ml/kg is required”
Claim · model-written summary
The tested plant oils can be employed for managing C. maculatus in stored cowpea grains.
- Taxon
- cowpeaVigna unguiculatae1
- Outcome
- managing C. maculatus in stored cowpea grainse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“against C. maculatus on two local cowpea varieties”
e7“This study concludes that the tested oils can be employed for managing C. maculatus in stored cowpea grains”
The same questions in other papers
Allium sativum · quality: postharvest · Vigna unguiculata (cowpea)Results agree
1 paper in the same direction as this paper
- positive
Allium sativum · pest · Vigna unguiculata (cowpea)Results agree
6 papers in the same direction as this paper
- positive
- positive
- positive
3 papers more in this group
See all 7 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.