Paper · 2006 · Journal of Pest Control and Environmental Sciences

Toxicological and biological studies of some compounds against the two spotted spider mite, tetranychus urticae and its predatory mite, Amblyseius gossipi on different host plants

A. A. Ismail; Wafaa H. Hegazi; A. S. Derbalah; et al.

11
claims
32
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

The present study was carried out to evaluate the toxic effect of five compounds; three specific acaricides; (Abamectin, Fenpyroximate and Etoxazole); one pyrethroid insecticide (Cypermethrin) and one mineral oil (Supermasrona), against the eggs and adult females of the two spotted spider mite, Tetranychus urticae (Koch) and adult females of predatory mite, Amblyseius gossipi (El-Badry) on three different host plants (castor bean, green beans and tomato) using leaf-disc dip technique. The effect of sublethal doses of these compounds on some biological and behavioral characteristics of this mite and its predator was also examined. The results indicated that, Abamectin has a special position in mite chemical control or in integrated mite management because of its high toxic effect and its high toxicity index between different tested mite control agents. Etoxazole is the safest compound to adult females of predator mite A. gossipi on the three hosts. Cypermethrin is the most effective compound tested on egg deposition of T. urticae on castor bean leaf discs but fenpyroximate is the most effective compound tested on egg deposition on green beans and tomato leaf discs. In addition, Cypermethrin was the most effective compound decreasing egg hatchability especially on castor bean and green beans leaf discs. The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption, decreased predator egg production and caused high decrease in egg hatchability of the predator A. gossipi on the three host plants.

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Claims 11

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Abamectin had a high toxic effect and high toxicity index among the tested mite control agents.

Taxon
castor bean, green beans and tomatoe6
Treatment
Abamectine0
Interactor
Tetranychus urticaeTetranychus urticaee7pest
Outcome
toxic effecte0
Direction
highe0
Comparator
different tested mite control agentse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Tetranychus urticae
Tetranychus urticae · InteractorGilles San Martin from Namur, Belgium · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Abamectin has a special position in mite chemical control or in integrated mite management because of its high toxic effect and its high toxicity index between different tested mite control agents”

✓ located verbatim in the source · abstract, characters 666–862 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
e7

“the two spotted spider mite, Tetranychus urticae (Koch)”

✓ located verbatim in the source · abstract, characters 267–322 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Etoxazole was the safest compound to adult females of the predatory mite A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Etoxazolee1
Interactor
A. gossipie1biocontrol_agent
Outcome
adult femalese1
Direction
safeste1

Not reportedComparator

Verbatim

e1

“Etoxazole is the safest compound to adult females of predator mite A. gossipi on the three hosts”

✓ located verbatim in the source · abstract, characters 864–960 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cypermethrin was the most effective compound tested on egg deposition of T. urticae on castor bean leaf discs.

Taxon
castor beanRicinus communise3
Treatment
Cypermethrine3
Interactor
T. urticaeTetranychus urticaee3pest
Outcome
egg depositione3
Direction
most effectivee3

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Ricinus communis
Ricinus communis · TaxonDvellakat · CC BY-SA 4.0 · Wikimedia Commons ↗
Tetranychus urticae
Tetranychus urticae · InteractorGilles San Martin from Namur, Belgium · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e3

“Cypermethrin is the most effective compound tested on egg deposition of T. urticae on castor bean leaf discs”

✓ located verbatim in the source · abstract, characters 962–1070 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fenpyroximate was the most effective compound tested on egg deposition of the two-spotted spider mite on green beans and tomato leaf discs.

Taxon
green beans and tomatoe4
Treatment
fenpyroximatee4
Interactor
Tetranychus urticaeTetranychus urticaee7pest
Outcome
egg depositione4
Direction
most effectivee4

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Tetranychus urticae
Tetranychus urticae · InteractorGilles San Martin from Namur, Belgium · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e4

“fenpyroximate is the most effective compound tested on egg deposition on green beans and tomato leaf discs”

✓ located verbatim in the source · abstract, characters 1075–1181 · show in text ↑
e7

“the two spotted spider mite, Tetranychus urticae (Koch)”

✓ located verbatim in the source · abstract, characters 267–322 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Cypermethrin was the most effective compound decreasing egg hatchability of the two-spotted spider mite on castor bean and green beans leaf discs.

Taxon
castor bean and green beanse5
Treatment
Cypermethrine5
Interactor
Tetranychus urticaeTetranychus urticaee7pest
Outcome
egg hatchabilitye5
Direction
decreasinge5

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Tetranychus urticae
Tetranychus urticae · InteractorGilles San Martin from Namur, Belgium · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e5

“Cypermethrin was the most effective compound decreasing egg hatchability especially on castor bean and green beans leaf discs”

✓ located verbatim in the source · abstract, characters 1196–1321 · show in text ↑
e7

“the two spotted spider mite, Tetranychus urticae (Koch)”

✓ located verbatim in the source · abstract, characters 267–322 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cypermethrin decreased prey egg consumption by the predatory mite A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Cypermethrine0
Interactor
A. gossipie1biocontrol_agent
Outcome
prey egg consumptione0
Direction
decreasede0

Not reportedComparator

Verbatim

e0

“The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption”

✓ located verbatim in the source · abstract, characters 1323–1459 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
e1

“egg hatchability of the predator A. gossipi on the three host plants”

✓ located verbatim in the source · abstract, characters 1523–1591 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Abamectin decreased prey egg consumption by the predatory mite A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Abamectine0
Interactor
A. gossipie1biocontrol_agent
Outcome
prey egg consumptione0
Direction
decreasede0

Not reportedComparator

Verbatim

e0

“The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption”

✓ located verbatim in the source · abstract, characters 1323–1459 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
e1

“egg hatchability of the predator A. gossipi on the three host plants”

✓ located verbatim in the source · abstract, characters 1523–1591 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cypermethrin decreased predator egg production of A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Cypermethrine0
Interactor
A. gossipie1biocontrol_agent
Outcome
predator egg productione2
Direction
decreasede2

Not reportedComparator

Verbatim

e0

“The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption”

✓ located verbatim in the source · abstract, characters 1323–1459 · show in text ↑
e2

“decreased predator egg production”

✓ located verbatim in the source · abstract, characters 1461–1494 · show in text ↑
e1

“egg hatchability of the predator A. gossipi on the three host plants”

✓ located verbatim in the source · abstract, characters 1523–1591 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Abamectin decreased predator egg production of A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Abamectine0
Interactor
A. gossipie1biocontrol_agent
Outcome
predator egg productione2
Direction
decreasede2

Not reportedComparator

Verbatim

e0

“The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption”

✓ located verbatim in the source · abstract, characters 1323–1459 · show in text ↑
e2

“decreased predator egg production”

✓ located verbatim in the source · abstract, characters 1461–1494 · show in text ↑
e1

“egg hatchability of the predator A. gossipi on the three host plants”

✓ located verbatim in the source · abstract, characters 1523–1591 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cypermethrin caused a high decrease in egg hatchability of the predatory mite A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Cypermethrine0
Interactor
A. gossipie1biocontrol_agent
Outcome
egg hatchabilitye3
Direction
high decreasee3

Not reportedComparator

Verbatim

e0

“The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption”

✓ located verbatim in the source · abstract, characters 1323–1459 · show in text ↑
e3

“caused high decrease in egg hatchability of the predator”

✓ located verbatim in the source · abstract, characters 1499–1555 · show in text ↑
e1

“egg hatchability of the predator A. gossipi on the three host plants”

✓ located verbatim in the source · abstract, characters 1523–1591 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Abamectin caused a high decrease in egg hatchability of the predatory mite A. gossipi on the three host plants.

Taxon
castor bean, green beans and tomatoe6
Treatment
Abamectine0
Interactor
A. gossipie1biocontrol_agent
Outcome
egg hatchabilitye3
Direction
high decreasee3

Not reportedComparator

Verbatim

e0

“The pyrethroid compound (Cypermethrin) and the acaricide compound (Abamectin) are the most effective that decreased prey egg consumption”

✓ located verbatim in the source · abstract, characters 1323–1459 · show in text ↑
e3

“caused high decrease in egg hatchability of the predator”

✓ located verbatim in the source · abstract, characters 1499–1555 · show in text ↑
e1

“egg hatchability of the predator A. gossipi on the three host plants”

✓ located verbatim in the source · abstract, characters 1523–1591 · show in text ↑
e6

“on three different host plants (castor bean, green beans and tomato)”

✓ located verbatim in the source · abstract, characters 390–458 · show in text ↑

cypermethrin · pest · Ricinus communis (castor bean)Positive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. positive
See all 2 papers →

abamectin · pest · Phaseolus vulgaris (common bean)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
See all 3 papers →

cypermethrin · pest · Solanum lycopersicum (tomato)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

3 in the opposite direction

  1. positive
  2. positive
  3. positive
See all 4 papers →

abamectin · pest · Solanum lycopersicum (tomato)Positive and negative results

11 papers: 9 positive, 2 negative or no effect

1 paper in the same direction as this paper · 9 in the opposite direction

  1. positive
  2. positive
  3. positive

7 papers more in this group

See all 11 papers →

fenpyroximate · Tetranychus urticae · Solanum lycopersicum (tomato)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

abamectin · Tetranychus urticae · Phaseolus vulgaris (common bean)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

abamectin · Tetranychus urticae · Solanum lycopersicum (tomato)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 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.