Abstract
Boletus satanas Lenz (Boletaceae) is a basidiomycete fungus reported to contain monomeric glycoproteins (lectins) which are known to possess insecticidal, larvicidal, ovicidal and anti-nutritional activities. This study was carried out to assess the toxicity, anti-feedant and repellence potential of the crude methanol extract of the mushroom in stored maize grains. Six levels of concentration ranging from 0.05 to 0.5% w/w were used during the assessments. Untreated grains and grains treated with 2% Actellic gold TM dust (0.05% w/w) were used as negative and positive controls, respectively. The experiments were carried out in a completely randomized design with three replicates made for each treatment level and controls. The 0.5% w/w methanol extract exhibited the highest mean mortality of 68.3% and 94.2% inhibition in F1 progeny. Moreover, 89.7% reduction in grain damage and 98.3% pest repellence were observed. These findings render credence to the use of B. satanas as a potential biopesticide by subsistence farmers to preserve grains and corroborate the ongoing IPM strategies.
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Claims 5
Claim · model-written summary
The 0.5% w/w extract produced 68.3% mean pest mortality.
- Treatment
- 0.5% w/w methanol extracte0
- Interactor
- Sitophilus zeamais
Sitophilus zeamaist0pest - Outcome
- mean mortalitye0
- Direction
- higheste0
- Value
- 68.3%e0
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) in Stored Maize Grains”
e0“The 0.5% w/w methanol extract exhibited the highest mean mortality of 68.3%”
Claim · model-written summary
The 0.5% w/w extract inhibited F1 pest progeny by 94.2%.
- Treatment
- 0.5% w/w methanol extracte0
- Interactor
- Sitophilus zeamaisSitophilus zeamaist0pest
- Outcome
- F1 progenye0
- Direction
- inhibitione0
- Value
- 94.2%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) in Stored Maize Grains”
e0“The 0.5% w/w methanol extract exhibited the highest mean mortality of 68.3% and 94.2% inhibition in F1 progeny”
Claim · model-written summary
Grain damage fell by 89.7%.
- Treatment
- crude methanol extract of the mushroome1
- Interactor
- Sitophilus zeamaisSitophilus zeamaist0pest
- Outcome
- grain damagee0
- Direction
- reductione0
- Value
- 89.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) in Stored Maize Grains”
e0“89.7% reduction in grain damage and 98.3% pest repellence were observed”
e1“the crude methanol extract of the mushroom in stored maize grains”
Claim · model-written summary
Pest repellence reached 98.3%.
- Treatment
- crude methanol extract of the mushroome1
- Interactor
- Sitophilus zeamaisSitophilus zeamaist0pest
- Outcome
- pest repellencee0
- Value
- 98.3%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) in Stored Maize Grains”
e0“89.7% reduction in grain damage and 98.3% pest repellence were observed”
e1“the crude methanol extract of the mushroom in stored maize grains”
Claim · model-written summary
The authors proposed B. satanas as a biopesticide for grain preservation.
- Outcome
- use of B. satanas as a potential biopesticide by subsistence farmers to preserve grainse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Stored Maize Grains”
e0“the use of B. satanas as a potential biopesticide by subsistence farmers to preserve grains”
The same questions in other papers
botanical · Sitophilus zeamais · Zea mays (maize)Positive and negative results
112 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- no effect
113 papers more in this group
See all 117 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.