Abstract
PALAVRAS-CHAVE: Tomateiro, inseticida sistemico, crescimento vegetativo. ABSTRACT - The effect of the systemic insecticide phorate on vegetative growth and yield of tomato (Lycopersicum esculentum Mill.) was studied in the green- house. Three dosages of phorate (1.5, 7.5, and 13.5 mg a.i./ 1.5 L pot) were applied along with a control (without insecticide application). The plants were harvested at 17, 32, 51, 69, and 90 days after tilling. Regression analysis did not show any significant effect of insecticide dosages in plant and root length. How- ever, an overall negative effect of phorate was observed on leaf area, shoot and root dry weights, and fruit fresh weight. Based on multiple regression models, maximum leaf area was obtained with 6.7 mg a.i./pot and maximum shoot and root dry weights were obtained with no insecticide application and 0.1 mg a.i./ pot, respectively. Higher fruit fresh weights were also obtained without phorate application. Dosages of phorate close to the lower range recommended for pest
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Claims 7
Claim · model-written summary
Phorate dosage had no significant association with plant or root length.
- Taxon
- tomato
Solanum lycopersicume1 - Treatment
- insecticide dosagese0
- Outcome
- plant and root lengthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regression analysis did not show any significant effect of insecticide dosages in plant and root length.”
e1“tomato (Lycopersicum esculentum Mill.)”
Claim · model-written summary
Phorate negatively affected leaf area and shoot and root dry weights.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- phoratee0
- Outcome
- leaf area, shoot and root dry weightse0
- Direction
- negativee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an overall negative effect of phorate was observed on leaf area, shoot and root dry weights, and fruit fresh weight.”
e1“tomato (Lycopersicum esculentum Mill.)”
Claim · model-written summary
Phorate negatively affected fruit fresh weight.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- phoratee0
- Outcome
- fruit fresh weighte0
- Direction
- negativee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an overall negative effect of phorate was observed on leaf area, shoot and root dry weights, and fruit fresh weight.”
e1“tomato (Lycopersicum esculentum Mill.)”
Claim · model-written summary
Maximum leaf area was modeled at 6.7 mg active ingredient per pot.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- 6.7 mg a.i./pote0
- Outcome
- leaf areae0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Based on multiple regression models, maximum leaf area was obtained with 6.7 mg a.i./pot”
e1“tomato (Lycopersicum esculentum Mill.)”
Claim · model-written summary
Maximum shoot dry weight was modeled without insecticide application.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- no insecticide applicatione0
- Outcome
- shoot and root dry weightse0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum shoot and root dry weights were obtained with no insecticide application and 0.1 mg a.i./ pot, respectively.”
e1“tomato (Lycopersicum esculentum Mill.)”
Claim · model-written summary
Maximum root dry weight was modeled at 0.1 mg active ingredient per pot.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- 0.1 mg a.i./ pote0
- Outcome
- root dry weightse0
- Direction
- maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum shoot and root dry weights were obtained with no insecticide application and 0.1 mg a.i./ pot, respectively.”
e1“tomato (Lycopersicum esculentum Mill.)”
Claim · model-written summary
Fruit fresh weight was higher without phorate.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- without phorate applicatione0
- Outcome
- fruit fresh weightse0
- Direction
- Highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher fruit fresh weights were also obtained without phorate application.”
e1“tomato (Lycopersicum esculentum Mill.)”
The same questions in other papers
phorate · growth · Solanum lycopersicum (tomato)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
insecticide · growth · Solanum lycopersicum (tomato)Positive and negative results
3 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
5 papers more in this group
See all 9 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.