Abstract
Ethanol production from sweet sorghum depends on the quality of the biomass and sugars in the juice extracted from the plant. However, quality may be compromised by Diatraea saccharalis (Fabricius) (Lepidoptera: Crambidae) or sugarcane borer infestation. This study evaluated the effects of infestation by the pest on sweet sorghum juice productivity and quality. Sorghum variety BRS506 was planted in an experimental area with 4,800 m2. Samples were harvested at 115 days after planting and the following variables were evaluated: physical injury caused by the pest in the stalk, juice yield, total soluble solids in the juice and chemical composition. Additionally, the presence of Fusarium sp. in the stalks was checked. A significant difference was detected for juice yield, with lower values found in bored stalks resulting in a 2.62% decrease in juice yield at an infestation intensity of 4.16%. Infestation of D. saccharalis also caused a reduction of 34% in the plant sucrose content and significantly decreased fiber, lignin and ash rates. Infestation by D. saccharalis in sweet sorghum caused a significant reduction of plant height, juice productivity, and was associated with the presence of Fusarium sp., and sugar and fiber reduction. Key words: Chemical composition, integrated pest management, juice quality, sugarcane borer.
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Claims 5
Claim · model-written summary
Bored stalks had significantly lower juice yield, down 2.62% at 4.16% infestation.
- Taxon
- sweet sorghumt0
- Treatment
- bored stalkse0
- Interactor
- Diatraea saccharalis
Diatraea saccharalist1peste0 - Outcome
- juice yielde0
- Direction
- lowere0
- Value
- 2.62%e0
- Qualifier
- infestation intensity of 4.16%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significant difference was detected for juice yield, with lower values found in bored stalks resulting in a 2.62% decrease in juice yield at an infestation intensity of 4.16%”
t0“sweet sorghum”
t1“Diatraea saccharalis”
Claim · model-written summary
D. saccharalis infestation reduced plant sucrose content by 34%.
- Taxon
- sweet sorghumt0
- Treatment
- Infestation of D. saccharalise0
- Interactor
- D. saccharalisDiatraea saccharalise0pest
- Outcome
- plant sucrose contente0
- Direction
- reductione0
- Value
- 34%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infestation of D. saccharalis also caused a reduction of 34% in the plant sucrose content”
t0“sweet sorghum”
Claim · model-written summary
Infestation significantly lowered fiber, lignin and ash rates.
- Taxon
- sweet sorghumt0
- Treatment
- Infestation of D. saccharalise1
- Interactor
- D. saccharalisDiatraea saccharalise1peste0
- Outcome
- fiber, lignin and ash ratese0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly decreased fiber, lignin and ash rates”
e1“Infestation of D. saccharalis”
t0“sweet sorghum”
Claim · model-written summary
D. saccharalis infestation significantly reduced plant height and juice productivity.
- Taxon
- sweet sorghume0
- Treatment
- Infestation by D. saccharalise0
- Interactor
- D. saccharalisDiatraea saccharalise0pest
- Outcome
- plant height, juice productivitye0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infestation by D. saccharalis in sweet sorghum caused a significant reduction of plant height, juice productivity”
Claim · model-written summary
D. saccharalis infestation was associated with Fusarium sp. presence.
- Taxon
- sweet sorghume0
- Second interactor
- D. saccharalisDiatraea saccharalise0pest
- Outcome
- presence of Fusarium sp.e0
FusariumNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Infestation by D. saccharalis in sweet sorghum caused a significant reduction of plant height, juice productivity, and was associated with the presence of Fusarium sp.”
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