Abstract
Two commercially available neem insecticides, Neem Azal T/S and Neemix, were tested as antifeedant against larval and adult stages of Leptinotarsa decemlineata Say. Azadirachta indica A. Juss preparations were used to be alternatively to chemical insecticides to control L. decemlineata. Leaf dipping method was used under laboratory conditions. This purpose, third instar 5-10 days old and about 30-35 mg weight chosen. Adult 5-10 days old were also used. For the bioassays leaf discs were obtained from potato plants grown in a glasshouse free of any pesticides. The leaf disc used in bioassay experiments was 2.2 cm in diameter. Six different rates were used for Neem Azal T/S, 15, 25, and 50 ppm, and for Neemix, 15, 30, and 60 ppm for these bioassay experiments. The experiments were replicated ten times including the control. The results indicated that both formulations showed strong antifeedant effect. This effect was with dose and time related. The higher the dose the less leaf area was consumed by the test insects. On the other hand the untreated (control) insects consumed all the leaf discs.
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Claims 5
Claim · model-written summary
Neem Azal T/S strongly reduced beetle feeding on potato leaf discs.
- Taxon
- potato
Solanum tuberosume3 - Treatment
- Neem Azal T/Se0
- Interactor
- Leptinotarsa decemlineata Say
Leptinotarsa decemlineatae0pest - Outcome
- strong antifeedant effecte1
- Direction
- strong antifeedant effecte1
- Comparator
- untreated (control) insectse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two commercially available neem insecticides, Neem Azal T/S and Neemix, were tested as antifeedant against larval and adult stages of Leptinotarsa decemlineata Say.”
e1“The results indicated that both formulations showed strong antifeedant effect.”
e2“On the other hand the untreated (control) insects consumed all the leaf discs.”
e3“potato plants grown in a glasshouse”
Claim · model-written summary
Neemix strongly reduced beetle feeding on potato leaf discs.
- Taxon
- potatoSolanum tuberosume3
- Treatment
- Neemixe0
- Interactor
- Leptinotarsa decemlineata SayLeptinotarsa decemlineatae0pest
- Outcome
- strong antifeedant effecte1
- Direction
- strong antifeedant effecte1
- Comparator
- untreated (control) insectse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two commercially available neem insecticides, Neem Azal T/S and Neemix, were tested as antifeedant against larval and adult stages of Leptinotarsa decemlineata Say.”
e1“The results indicated that both formulations showed strong antifeedant effect.”
e2“On the other hand the untreated (control) insects consumed all the leaf discs.”
e3“potato plants grown in a glasshouse”
Claim · model-written summary
Higher neem dose reduced potato leaf area consumed by beetles.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- dosee0
- Interactor
- test insectse0pest
- Outcome
- leaf area was consumed by the test insectse0
- Direction
- lesse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The higher the dose the less leaf area was consumed by the test insects.”
e1“potato plants grown in a glasshouse”
Claim · model-written summary
Antifeedant effect was related to exposure time.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- timee0
- Outcome
- effecte0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This effect was with dose and time related.”
e1“potato plants grown in a glasshouse”
Claim · model-written summary
Untreated beetles consumed all potato leaf discs.
- Taxon
- potatoSolanum tuberosume1
- Outcome
- insects consumed all the leaf discse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the untreated (control) insects consumed all the leaf discs.”
e1“potato plants grown in a glasshouse”
The same questions in other papers
botanical · Leptinotarsa decemlineata · Solanum tuberosum (potato)Positive and negative results
14 papers in the same direction as this paper · 5 in the opposite direction
- negative
- negative
- no effect
16 papers more in this group
See all 20 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.