Abstract
Potato tuber moth (PTM), Phthorimaea operculella (Zeller), is one of the pests that cause the most damage to potatoes (Solanum tuberosum L.) in both field crops and storage, especially in regions where summers are hot and dry. Larvae develop in the foliage and tubers of potatoes and cause direct losses of edible product. The use of synthetic pheromones that interfere with insect mating for pest control has been widely demonstrated in numerous Lepidoptera and other insect species. An experiment was carried out during the 2004-2005 season in Valle del Elqui, Coquimbo Region, Chile, to evaluate the effectiveness of different pheromone trap densities to capture P. operculella males for future development of a mass trapping technique, and a subsequent decrease in insect reproduction. The study evaluated densities of 10, 20, and 40 traps ha -1 , baited with 0.2 mg of PTM sexual pheromone, and waterdetergent for captures. Results indicated that larger numbers of male PTM were captured per trap with densities of 20 and 40 traps per hectare, resulting in a significant reduction (P < 0.05) of tuber damage in these treatments compared with the control which used conventional chemical insecticide sprays.
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Claims 4
Claim · model-written summary
At 20 traps per hectare, more male potato tuber moths were captured per trap.
- Taxon
- potatoes
Solanum tuberosumt0 - Treatment
- 20e0
- Interactor
- PTMe0pest
- Outcome
- male PTM were captured per trape0
- Direction
- larger numberse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that larger numbers of male PTM were captured per trap with densities of 20 and 40 traps per hectare, resulting in a significant reduction (P < 0.05) of tuber damage in these treatments compared with the control which used conventional chemical insecticide sprays.”
t0“potatoes (Solanum tuberosum L.)”
Claim · model-written summary
At 40 traps per hectare, more male potato tuber moths were captured per trap.
- Taxon
- potatoesSolanum tuberosumt0
- Treatment
- 40 traps per hectaree0
- Interactor
- PTMe0pest
- Outcome
- male PTM were captured per trape0
- Direction
- larger numberse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that larger numbers of male PTM were captured per trap with densities of 20 and 40 traps per hectare, resulting in a significant reduction (P < 0.05) of tuber damage in these treatments compared with the control which used conventional chemical insecticide sprays.”
t0“potatoes (Solanum tuberosum L.)”
Claim · model-written summary
At 20 traps per hectare, potato tuber damage was significantly reduced relative to chemical insecticide sprays.
- Taxon
- potatoesSolanum tuberosumt0
- Treatment
- 20e0
- Interactor
- PTMe0pest
- Outcome
- tuber damagee0
- Direction
- reductione0
- Comparator
- control which used conventional chemical insecticide sprayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that larger numbers of male PTM were captured per trap with densities of 20 and 40 traps per hectare, resulting in a significant reduction (P < 0.05) of tuber damage in these treatments compared with the control which used conventional chemical insecticide sprays.”
t0“potatoes (Solanum tuberosum L.)”
Claim · model-written summary
At 40 traps per hectare, potato tuber damage was significantly reduced relative to chemical insecticide sprays.
- Taxon
- potatoesSolanum tuberosumt0
- Treatment
- 40 traps per hectaree0
- Interactor
- PTMe0pest
- Outcome
- tuber damagee0
- Direction
- reductione0
- Comparator
- control which used conventional chemical insecticide sprayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results indicated that larger numbers of male PTM were captured per trap with densities of 20 and 40 traps per hectare, resulting in a significant reduction (P < 0.05) of tuber damage in these treatments compared with the control which used conventional chemical insecticide sprays.”
t0“potatoes (Solanum tuberosum L.)”
The same questions in other papers
trap barrier · nutrient: content · Solanum tuberosum (potato)Results agree
1 paper in the same direction as this paper
- positive
trap barrier · pest · Solanum tuberosum (potato)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.