Abstract
ABSTRACT This study aimed to evaluate the interaction between intensity and duration of water deficit (90, 56 and 22% of pot capacity [PC] for 30, 60 and 90 days under continuous stress) associated to the parasitism of the nematode Meloidogyne incognita on the growth of the sugarcane variety RB92579 and the activity of the enzymes catalase and ascorbate peroxidase. The experiment was conducted in completely randomized design in a 7 x 2 factorial scheme (seven water deficit treatments: control [90% PC], 56% PC for 30, 60 and 90 days, 20% PC for 30, 60 and 90 days; and two densities of M. incognita: 0 and 20000 eggs plant-1), with four replicates. The water stress corresponding to 56% PC for 30 or 60 days did not affect RB92579 development. The evaluated water treatments increased ascorbate peroxidase activity, but it did not affect catalase activity. Nematode inoculation did not affect RB92579 responses to drought stress conditions. The higher severity of water deficit (22% PC for 90 days) reduced M. incognita reproduction.
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Claims 5
Claim · model-written summary
Moderate water stress for 30 or 60 days did not affect RB92579 development.
- Taxon
- sugarcanet0
- Material
- RB92579e0
- Treatment
- 56% PC for 30 or 60 dayse0
- Outcome
- RB92579 developmente0
- Direction
- did not affecte0
Not reportedComparator
Verbatim
e0“The water stress corresponding to 56% PC for 30 or 60 days did not affect RB92579 development.”
t0“sugarcane”
Claim · model-written summary
Water treatments increased ascorbate peroxidase activity.
- Taxon
- sugarcanet0
- Treatment
- water treatmentse0
- Gene
- ascorbate peroxidasee0
- Outcome
- ascorbate peroxidase activitye0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“The evaluated water treatments increased ascorbate peroxidase activity”
t0“sugarcane”
Claim · model-written summary
Water treatments did not affect catalase activity.
- Taxon
- sugarcanet0
- Treatment
- water treatmentse1
- Gene
- catalasee0
- Outcome
- catalase activitye0
- Direction
- did not affecte0
Not reportedComparator
Verbatim
e0“but it did not affect catalase activity.”
e1“The evaluated water treatments increased ascorbate peroxidase activity”
t0“sugarcane”
Claim · model-written summary
Nematode inoculation did not alter sugarcane drought responses.
- Taxon
- sugarcanet0
- Material
- RB92579e0
- Treatment
- Nematode inoculatione0
- Interactor
- Meloidogyne incognita
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Meloidogyne incognitae1pathogen - Outcome
- RB92579 responses to drought stress conditionse0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“Nematode inoculation did not affect RB92579 responses to drought stress conditions.”
e1“nematode Meloidogyne incognita”
t0“sugarcane”
Claim · model-written summary
Severe prolonged water deficit reduced M. incognita reproduction.
- Taxon
- sugarcanet0
- Treatment
- 22% PC for 90 dayse0
- Interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Outcome
- M. incognita reproductione0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The higher severity of water deficit (22% PC for 90 days) reduced M. incognita reproduction.”
t0“sugarcane”
The same questions in other papers
irrigation · physiology: antioxidant enzymes · Saccharum officinarum (sugarcane)Results agree
1 paper in the same direction as this paper
- 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.