Abstract
Late season production of Manduca sexta (L.) was evaluated relative to various plant conditions induced by several pre-, and postharvest cultural practices. The sequential sucker control method when using contact × systemic chemical applications was ½ times more elfective in reducing overwintering tobacco hornworms than use of maleic hydrazide alone. Variables that significantly increased tobacco hornworm production through a greater potential for sucker growth were weed control, varietal resistance to pathogens, and increased nitrogen fertilization. Delayed transplanting and excess fertilization caused a closer synchronization of succulent green tobacco with the late-July, mid-Aug. “brood”. These findings and present cultural trends emphasize a greater need for immediate stalk and root destruction after harvest to reduce production of overwintering tobacco hornworms.
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Claims 7
Claim · model-written summary
Sequential sucker control with contact and systemic chemicals reduced overwintering hornworms more than maleic hydrazide alone.
- Taxon
- Tobacco
Nicotiana tabacumt0 - Treatment
- sequential sucker control method when using contact × systemic chemical applicationse0
- Interactor
- tobacco hornworms
Manduca sextae0pest - Outcome
- overwintering tobacco hornwormse0
- Direction
- reducinge0
- Value
- ½ timese0
- Comparator
- maleic hydrazide alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The sequential sucker control method when using contact × systemic chemical applications was ½ times more elfective in reducing overwintering tobacco hornworms than use of maleic hydrazide alone.”
t0“on Tobacco12”
Claim · model-written summary
Weed control significantly increased hornworm production through sucker growth.
- Taxon
- TobaccoNicotiana tabacumt0
- Treatment
- weed controle0
- Interactor
- tobacco hornwormManduca sextae0pest
- Outcome
- tobacco hornworm productione0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Variables that significantly increased tobacco hornworm production through a greater potential for sucker growth were weed control, varietal resistance to pathogens, and increased nitrogen fertilization.”
t0“on Tobacco12”
Claim · model-written summary
Varietal pathogen resistance significantly increased hornworm production through sucker growth.
- Taxon
- TobaccoNicotiana tabacumt0
- Material
- varietal resistance to pathogense0
- Interactor
- tobacco hornwormManduca sextae0pest
- Outcome
- tobacco hornworm productione0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Variables that significantly increased tobacco hornworm production through a greater potential for sucker growth were weed control, varietal resistance to pathogens, and increased nitrogen fertilization.”
t0“on Tobacco12”
Claim · model-written summary
Increased nitrogen fertilization significantly increased hornworm production through sucker growth.
- Taxon
- TobaccoNicotiana tabacumt0
- Treatment
- increased nitrogen fertilizatione0
- Interactor
- tobacco hornwormManduca sextae0pest
- Outcome
- tobacco hornworm productione0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Variables that significantly increased tobacco hornworm production through a greater potential for sucker growth were weed control, varietal resistance to pathogens, and increased nitrogen fertilization.”
t0“on Tobacco12”
Claim · model-written summary
Delayed transplanting synchronized green tobacco with the late-season brood.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- Delayed transplantinge0
- Outcome
- synchronization of succulent green tobacco with the late-July, mid-Aug. “brood”e0
- Direction
- closere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delayed transplanting and excess fertilization caused a closer synchronization of succulent green tobacco with the late-July, mid-Aug. “brood”.”
Claim · model-written summary
Excess fertilization synchronized green tobacco with the late-season brood.
- Taxon
- tobaccoNicotiana tabacume0
- Treatment
- excess fertilizatione0
- Outcome
- synchronization of succulent green tobacco with the late-July, mid-Aug. “brood”e0
- Direction
- closere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delayed transplanting and excess fertilization caused a closer synchronization of succulent green tobacco with the late-July, mid-Aug. “brood”.”
Claim · model-written summary
Immediate stalk and root destruction after harvest is recommended to reduce overwintering hornworms.
- Taxon
- TobaccoNicotiana tabacumt0
- Interactor
- tobacco hornwormsManduca sextae0pest
- Outcome
- immediate stalk and root destruction after harveste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These findings and present cultural trends emphasize a greater need for immediate stalk and root destruction after harvest to reduce production of overwintering tobacco hornworms.”
t0“on Tobacco12”
The same questions in other papers
transplanting · organism · Nicotiana tabacum (tobacco)Positive and negative results
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6 papers in the same direction as this paper · 40 in the opposite direction
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See all 47 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.