Abstract
Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident. The lowest dose of 1 x 108 conidia/litre water caused 33.3% and was followed by next high dose (2 x 108 conidia/l), which caused 48.6% on 15th day of treatment. Further increase in conidial load not brought significant increase in grub mortality. Similar was the response at 30th day of treatment with highest % mortality. Therefore, further field scale studies were conducted to verify the performance of M. anisopliae isolate (Ma2) @ 2 x 1012, 1 x 1012 and 5 x 1011 conidia/ha vis-a-vis recommended insecticides (chlorpyriphos 400g a.i./ha & endosulfan @ 700 g a.i./ha) and untreated check against pigeon pea gall weevil. Drenching of M. anisopliae @ 2 x 1012 conidia/ha at 15 days after germination did not lag much behind the cliemical toxicants in pest suppression. Efficacy came at par with chemical toxicants at 30 days after treatment. The yield difference between fungus and chemical drenching was only 4%.
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Claims 6
Claim · model-written summary
The lowest dose of 1 x 108 conidia/litre water of M. anisopliae caused 33.3% mortality of Alcidodes colaris grubs.
- Taxon
- pigeon pea
Cajanus cajant0 - Treatment
- 1 x 108 conidia/litre watere1
- Interactor
- Alcidodes colarise0pest
- Second interactor
- Metarhizium anisopliae
Metarhizium anisopliaee0biocontrol_agent - Outcome
- Mortality of Alcidodes colaris grubse0
- Direction
- increaseinferrede1
- Value
- 33.3%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident”
e1“The lowest dose of 1 x 108 conidia/litre water caused 33.3%”
t0“pigeon pea”
Claim · model-written summary
The next higher dose, 2 x 108 conidia/l of M. anisopliae, caused 48.6% mortality of Alcidodes colaris grubs on day 15 of treatment.
- Taxon
- pigeon peaCajanus cajant0
- Treatment
- 2 x 108 conidia/le1
- Interactor
- Alcidodes colarise0pest
- Second interactor
- Metarhizium anisopliaeMetarhizium anisopliaee0biocontrol_agent
- Outcome
- Mortality of Alcidodes colaris grubse0
- Direction
- increaseinferrede1
- Value
- 48.6%e1
- Qualifier
- 15th day of treatmente1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident”
e1“next high dose (2 x 108 conidia/l), which caused 48.6% on 15th day of treatment”
t0“pigeon pea”
Claim · model-written summary
Further increase in conidial load did not bring a significant increase in grub mortality.
- Taxon
- pigeon peaCajanus cajant0
- Treatment
- Further increase in conidial loade1
- Interactor
- Alcidodes colarise0pest
- Second interactor
- Metarhizium anisopliaeMetarhizium anisopliaee0biocontrol_agent
- Outcome
- grub mortalitye1
- Direction
- no_changeinferrede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident”
e1“Further increase in conidial load not brought significant increase in grub mortality”
t0“pigeon pea”
Claim · model-written summary
In the field, drenching M. anisopliae at 2 x 1012 conidia/ha at 15 days after germination did not lag much behind the chemical insecticides in suppressing the pest.
- Taxon
- pigeon peaCajanus cajant0
- Treatment
- Drenching of M. anisopliae @ 2 x 1012 conidia/hae1
- Interactor
- Alcidodes colarise0pest
- Second interactor
- Metarhizium anisopliaeMetarhizium anisopliaee0biocontrol_agent
- Outcome
- pest suppressione1
- Direction
- no_changeinferrede1
- Comparator
- cliemical toxicantse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident”
e1“Drenching of M. anisopliae @ 2 x 1012 conidia/ha at 15 days after germination did not lag much behind the cliemical toxicants in pest suppression”
t0“pigeon pea”
Claim · model-written summary
At 30 days after treatment the efficacy of M. anisopliae drenching came at par with the chemical toxicants.
- Taxon
- pigeon peaCajanus cajant0
- Interactor
- Alcidodes colarise0pest
- Second interactor
- Metarhizium anisopliaeMetarhizium anisopliaee0biocontrol_agent
- Outcome
- Efficacye1
- Direction
- no_changeinferrede1
- Qualifier
- 30 days after treatmente1
- Comparator
- chemical toxicantse1
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident”
e1“Efficacy came at par with chemical toxicants at 30 days after treatment”
t0“pigeon pea”
Claim · model-written summary
The yield difference between fungus drenching and chemical drenching was only 4%.
- Taxon
- pigeon peaCajanus cajant0
- Treatment
- funguse1
- Interactor
- Alcidodes colarise0pest
- Second interactor
- Metarhizium anisopliaeMetarhizium anisopliaee0biocontrol_agent
- Outcome
- yield differencee1
- Value
- 4%e1
- Comparator
- chemical drenchinge1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mortality of Alcidodes colaris grubs to varied doses of Metarhizium anisopliae was evident”
e1“The yield difference between fungus and chemical drenching was only 4%”
t0“pigeon pea”
The same questions in other papers
application · control · Cajanus cajan (pigeon pea)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
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.