Abstract
Abstract Results of field experiments revealed that three releases of biocontrol agents viz., Trichogramma chilonis (1,000,000/ha/release) and Brinckochrysa scelestes (50,000/ha/release) on 90, 105 and 120 days after sowing could effectively check the population of Heliothis armigera and Bemisia tabaci which was equal to that of insecticides. Two applications of nuclear polyhedrosis virus of Spodoptera litura at 250 larval equivalents (LE)/ha with adjuvants could effectively control S. litura larval population and damage. The seed cotton yield could also be increased in biocontrol plots which was equal to that of insecticide treated plots. Zusammenfassung Versuche zur biologischen Bekämpfung der bedeutsamsten Baumwollschädlinge in Indien Durch Freilanduntersuchungen konnte gezeigt werden, daß durch dreimalige Freilassung von Trichogramma chilonis (1.000.000/ha/Freilassungszeitpunkt) und Brickochrysa scelestes (50.000/ha/Freilassungszeitpunkt) jeweils am 90., 105. und 120. Tag nach der Baumwollsaat bei der Bekämpfung von Heliothis armigera und Bemisia tabaci ein Erfolg erzielt werden konnte, der der Wirksamkeit einer Insektizidbehandlung entsprach. Durch zwei Behandlungen mit Kernpolyederviren von Spodoptera litura in einer Konzentration von 250 Larvenäquivalenten (LE)/ha mit Zusätzen konnte S. litura wirksam bekämpft werden. Der Ernteerfolg auf den biologisch behandelten Baumwollfeldern war vergleichbar mit dem auf den insektizid‐behandelten Feldern.
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Claims 4
Claim · model-written summary
Releases of two biocontrol agents checked Heliothis armigera populations comparably to insecticides.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- three releases of biocontrol agentse0
- Interactor
- Heliothis armigera
_gusano_cogollero.png?width=60)
Helicoverpa armigerae0pest - Second interactor
- Trichogramma chilonis
_Figure_2b.png?width=60)
Trichogramma chilonise0biocontrol_agent - Outcome
- population of Heliothis armigerae0
- Direction
- checke0
- Comparator
- insecticidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_gusano_cogollero.png?width=500)
_Figure_2b.png?width=500)
Verbatim
e0“three releases of biocontrol agents viz., Trichogramma chilonis (1,000,000/ha/release) and Brinckochrysa scelestes (50,000/ha/release) on 90, 105 and 120 days after sowing could effectively check the population of Heliothis armigera and Bemisia tabaci which was equal to that of insecticides.”
t0“cotton”
Claim · model-written summary
Biocontrol releases checked Bemisia tabaci populations comparably to insecticides.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- three releases of biocontrol agentse0
- Interactor
- Bemisia tabaci
Bemisia tabacie0pest - Second interactor
- Brinckochrysa scelestese0biocontrol_agent
- Outcome
- population of Heliothis armigera and Bemisia tabacie0
- Direction
- checke0
- Comparator
- insecticidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“three releases of biocontrol agents viz., Trichogramma chilonis (1,000,000/ha/release) and Brinckochrysa scelestes (50,000/ha/release) on 90, 105 and 120 days after sowing could effectively check the population of Heliothis armigera and Bemisia tabaci which was equal to that of insecticides.”
t0“cotton”
Claim · model-written summary
Nuclear polyhedrosis virus applications controlled S. litura larvae and damage.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- Two applications of nuclear polyhedrosis virus of Spodoptera litura at 250 larval equivalents (LE)/ha with adjuvantse0
- Interactor
- S. litura
Spodoptera liturae0pest - Outcome
- S. litura larval population and damagee0
- Direction
- controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two applications of nuclear polyhedrosis virus of Spodoptera litura at 250 larval equivalents (LE)/ha with adjuvants could effectively control S. litura larval population and damage.”
t0“cotton”
Claim · model-written summary
Biocontrol plots had increased seed cotton yield comparable to insecticide plots.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- biocontrol plotse0
- Outcome
- seed cotton yielde0
- Direction
- increasede0
- Comparator
- insecticide treated plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seed cotton yield could also be increased in biocontrol plots which was equal to that of insecticide treated plots.”
The same questions in other papers
adjuvant · pest · Gossypium hirsutum (cotton)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →biocontrol · Helicoverpa armigera · Gossypium hirsutum (cotton)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
biocontrol · Bemisia tabaci · Gossypium hirsutum (cotton)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- positive
2 papers more in this group
See all 6 papers →biocontrol · yield · Gossypium hirsutum (cotton)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
6 papers more in this group
See all 10 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.