Abstract
Pod borer, Euchrysops cnejus (Fab.) is the most destructive pest of yard long bean. A study was conducted during March to July 2022 in the experimental field of the Department of Entomology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh to evaluate the effectiveness of some bio-rational insecticides against pod borer of yard long bean. The experiment was conducted following Randomized Complete Block Design (RCBD) with 3 replications. The treatments were Vermitec 1.8 EC (Abamectin) @1.0 ml/L, Tracer 45 SC (Spinosad) @ 0.4 g/L, Bio-Action 1.5 SL (Matrine) @ 1.5 ml/L of water, Ecomec 1.8 EC (Azadiractin) @ 1.5 ml/L and Phytoclean (Potassium salt of fatty acid 40%) @1.5 ml/L of water were applied thrice at 15 days interval along with an untreated control for comparison. The tested insecticides had no adverse effects on lady bird beetle, syrphid fly, black ant and spider. The study revealed that, the lowest rate of pod infestation at 3 and 7 days after each spray as well as the highest marketable yield (10.7 MT/ha) and marginal benefit cost ratio (7.7) were recorded with management approach comprising Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days interval which might be recommended for suppressing pod borer of yard long bean. Ann. Bangladesh Agric. 28(1): 39-47
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Claims 5
Claim · model-written summary
Tested insecticides had no adverse effects on four natural-enemy groups.
- Taxon
- yard long bean
Vigna unguiculata subsp. sesquipedalist0 - Treatment
- tested insecticidese0
- Interactor
- lady bird beetlee0biocontrol_agent
- Outcome
- lady bird beetle, syrphid fly, black ant and spidere0
- Direction
- no adverse effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The tested insecticides had no adverse effects on lady bird beetle, syrphid fly, black ant and spider”
t0“yard long bean”
Claim · model-written summary
Tracer 45 SC treatment yielded the lowest pod infestation at three and seven days after spraying.
- Taxon
- yard long beanVigna unguiculata subsp. sesquipedalist0
- Treatment
- Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days intervale0
- Outcome
- rate of pod infestatione0
- Direction
- loweste0
- Qualifier
- 3 and 7 days after each spraye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lowest rate of pod infestation at 3 and 7 days after each spray as well as the highest marketable yield (10.7 MT/ha) and marginal benefit cost ratio (7.7) were recorded with management approach comprising Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days interval”
t0“pod borer of yard long bean”
Claim · model-written summary
Tracer 45 SC gave the highest marketable yield, 10.7 MT/ha.
- Taxon
- yard long beanVigna unguiculata subsp. sesquipedalist0
- Treatment
- Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days intervale0
- Outcome
- marketable yielde0
- Direction
- higheste0
- Value
- 10.7 MT/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest marketable yield (10.7 MT/ha) and marginal benefit cost ratio (7.7) were recorded with management approach comprising Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days interval”
t0“yard long bean”
Claim · model-written summary
Tracer 45 SC gave the highest marginal benefit cost ratio, 7.7.
- Taxon
- yard long beanVigna unguiculata subsp. sesquipedalist0
- Treatment
- Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days intervale0
- Outcome
- marginal benefit cost ratioe0
- Direction
- higheste0
- Value
- 7.7e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest marketable yield (10.7 MT/ha) and marginal benefit cost ratio (7.7) were recorded with management approach comprising Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days interval”
t0“yard long bean”
Claim · model-written summary
The authors recommend Tracer 45 SC for suppressing yard-long-bean pod borer.
- Taxon
- yard long beanVigna unguiculata subsp. sesquipedalise0
- Treatment
- Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days intervale0
- Interactor
- pod borere0pest
- Outcome
- suppressing pod borere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tracer 45 SC (Spinosad) @ 0.4 g/L of water at 15 days interval which might be recommended for suppressing pod borer of yard long bean”
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