Abstract
Maruca testulalis Geyer (Lepidoptera: Pyralidae) is the most serious pest of cowpea in Uganda. Dry seed yield improvement associated with M. testulalis control by chemical insecticides is due not to increased pod production but rather to increased number of undamaged seeds per pod. Sprays of DDT tended to decrease the number of cowpea flowers produced and to shorten the duration of flowering; these factors had no detrimental effect on yield. Cowpea pod length tended to increase as numbers of thrips, Taeniothrips sjöstedli (Trybom) and Sericothrips occiptalis Hood, decreased. Sprays of lindaue resulted in increased pod length whether in the presence or absence of high thrips levels.
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Claims 6
Claim · model-written summary
Dry seed yield improvement from chemical control of Maruca testulalis in cowpea is due not to increased pod production but to more undamaged seeds per pod.
- Taxon
- cowpea
Vigna unguiculatae0 - Treatment
- chemical insecticidese1
- Interactor
- M. testulalis
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Maruca testulalise1pest - Outcome
- Dry seed yield improvemente1
- Setting
- Ugandae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Maruca testulalis Geyer (Lepidoptera: Pyralidae) is the most serious pest of cowpea in Uganda”
e1“Dry seed yield improvement associated with M. testulalis control by chemical insecticides is due not to increased pod production but rather to increased number of undamaged seeds per pod”
Claim · model-written summary
Sprays of DDT tended to decrease the number of cowpea flowers produced.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- Sprays of DDTe0
- Outcome
- number of cowpea flowers producede0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprays of DDT tended to decrease the number of cowpea flowers produced”
Claim · model-written summary
Sprays of DDT tended to shorten the duration of flowering in cowpea.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- Sprays of DDTe0
- Outcome
- duration of floweringe0
- Direction
- shortene0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprays of DDT tended to decrease the number of cowpea flowers produced and to shorten the duration of flowering”
Claim · model-written summary
The DDT-related decrease in flower number and shorter flowering had no detrimental effect on cowpea yield.
- Taxon
- cowpeaVigna unguiculatae0
- Treatment
- Sprays of DDTe0
- Outcome
- yielde0
- Direction
- no detrimental effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprays of DDT tended to decrease the number of cowpea flowers produced and to shorten the duration of flowering; these factors had no detrimental effect on yield”
Claim · model-written summary
Cowpea pod length tended to increase as numbers of the thrips Taeniothrips sjöstedli and Sericothrips occiptalis decreased.
- Taxon
- CowpeaVigna unguiculatae0
- Interactor
- Taeniothrips sjöstedlie0pest
- Second interactor
- Sericothrips occiptalise0pest
- Outcome
- pod lengthe0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cowpea pod length tended to increase as numbers of thrips, Taeniothrips sjöstedli (Trybom) and Sericothrips occiptalis Hood, decreased”
Claim · model-written summary
Sprays of lindane increased cowpea pod length whether or not thrips levels were high.
- Taxon
- cowpeaVigna unguiculatae1
- Treatment
- Sprays of lindauee0
- Outcome
- pod lengthe0
- Direction
- increasede0
ThripsNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sprays of lindaue resulted in increased pod length whether in the presence or absence of high thrips levels”
e1“Maruca testulalis Geyer (Lepidoptera: Pyralidae) is the most serious pest of cowpea in Uganda”
The same questions in other papers
application · yield · Vigna unguiculata (cowpea)Positive and negative results
13 papers in the same direction as this paper · 112 in the opposite direction
- positive
- positive
- positive
122 papers more in this group
See all 126 papers →application · Thrips · Vigna unguiculata (cowpea)Results agree
3 papers in the same direction as this paper
- positive
- positive
- 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.