Abstract
The effect of aldicarb on mortality, motility, and reproduction of M. incognita in soybean was studied. The mortality of second-stage juveniles (J2) in aldicarb solution (5 and 50 μg mL-1) was only high at 20 days of exposure, being higher in the concentration of 50 μg mL-1 and lower in control (water). Motility was inversely proportional to the exposure time, and at 20 days of incubation, the number of J2 mobiles was statistically equal for both concentrations evaluated. There was a reduction inversely proportional to the number of galls and eggs per gram of root according to the J2 incubation time in water and aldicarb (5, 10, and 20 days). J2, when incubated in 50 μg mL-1 aldicarb for 5 and 10 days, always provided the same values regarding the number of galls and eggs per gram of root. The incubation for 20 days resulted in the loss of J2 infectivity, both in water and in aldicarb (5 and 50 μg mL-1), with practically no galls and eggs. When the J2 were incubated in the soil with the application of aldicarb solution (5 and 50 μg mL-1) or water (control), followed by soybean planting, 5, 10 and 20 days after, the J2 infectivity was null in the treatments with aldicarb (5 and 50 μg mL-1). However, when the J2-infested soil was sprayed with pure water (control), gall formation and reproduction decreased with the J2 incubation period, with a drastic reduction from the 5th day. Therefore, exposure to aldicarb affects the life cycle of M. incognita in soybeans.
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Claims 5
Claim · model-written summary
Juvenile mortality in aldicarb became high only after 20 days and was highest at 50 μg mL-1.
- Taxon
- soybean
Glycine maxt0 - Treatment
- aldicarb solution (5 and 50 μg mL-1)e0
- Interactor
- Meloidogyne incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitat0 - Outcome
- mortality of second-stage juveniles (J2)e0
- Direction
- highere0
- Comparator
- control (water)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“mortality of second-stage juveniles (J2) in aldicarb solution (5 and 50 μg mL-1) was only high at 20 days of exposure, being higher in the concentration of 50 μg mL-1 and lower in control (water)”
t0“Meloidogyne incognita AND ITS EFFECTS ON REPRODUCTION IN SOYBEAN”
Claim · model-written summary
Juvenile motility declined with exposure time.
- Taxon
- soybeanGlycine maxt0
- Treatment
- exposure timee0
- Outcome
- Motilitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Motility was inversely proportional to the exposure time”
t0“soybean”
Claim · model-written summary
Galls and eggs per root mass declined with juvenile incubation time.
- Taxon
- soybeanGlycine maxt0
- Treatment
- J2 incubation time in water and aldicarb (5, 10, and 20 days)e0
- Outcome
- number of galls and eggs per gram of roote0
- Direction
- reductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduction inversely proportional to the number of galls and eggs per gram of root according to the J2 incubation time in water and aldicarb (5, 10, and 20 days)”
t0“soybean”
Claim · model-written summary
After 20 days of incubation, juveniles lost infectivity in both water and aldicarb.
- Taxon
- soybeanGlycine maxt0
- Outcome
- loss of J2 infectivitye0
- Qualifier
- both in water and in aldicarb (5 and 50 μg mL-1)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“incubation for 20 days resulted in the loss of J2 infectivity, both in water and in aldicarb (5 and 50 μg mL-1), with practically no galls and eggs”
t0“soybean”
Claim · model-written summary
Aldicarb-treated infested soil yielded null juvenile infectivity after soybean planting.
- Taxon
- soybeanGlycine maxt0
- Treatment
- aldicarb (5 and 50 μg mL-1)e0
- Outcome
- J2 infectivitye0
- Direction
- nulle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“J2 infectivity was null in the treatments with aldicarb (5 and 50 μg mL-1)”
t0“soybean”
The same questions in other papers
aldicarb · disease · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- positive
aldicarb · Meloidogyne incognita · Glycine max (soybean)Results agree
2 papers in the same direction as this paper
- 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.