Abstract
Sweet sorghum [Sorghum bicolor (L.) Moench] is a potential bioenergy feedstock. Research explaining the response of sweet sorghum to excessive soil moisture (EM) stress at different growth stage is limited. To investigate the effect of EM stress on sweet sorghum antioxidant enzymes, osmotic regulation, biomass, quality, and ethanol production, an experiment was conducted in a glasshouse at the National Sorghum Improvement Center, Shenyang, China. Sweet sorghum (cv. LiaoTian1) was studied in four irrigation treatments with a randomized block design method. The results showed that the protective enzyme, particularly the SOD, CAT and APX in it, was significantly affected by EM stress. EM stress deleteriously affected sweet sorghum growth, resulting in a remarkable reduction of aboveground biomass, stalk juice quality, stalk juice yield, and thus, decreased ethanol yield. EM stress also caused significant reduction in plant relative water content, which further decreased stalk juice extraction rate. Sweet sorghum grown under light, medium, and heavy EM treatments displayed 5, 19, and 30% fresh stalk yield reduction, which showed a significant difference compared to control. The estimated juice ethanol yield significantly declined from 1407 ha-1 (under optimum soil moisture) to 1272, 970, and 734 L ha-1 respectively.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 13
Claim · model-written summary
Excess moisture significantly affected SOD, CAT and APX protective enzymes.
Not reportedComparatorDirection
Verbatim
e0“the protective enzyme, particularly the SOD, CAT and APX in it, was significantly affected by EM stress”
t0“sweet sorghum”
Claim · model-written summary
Excess moisture reduced aboveground biomass.
Not reportedComparator
Verbatim
e0“EM stress deleteriously affected sweet sorghum growth, resulting in a remarkable reduction of aboveground biomass, stalk juice quality, stalk juice yield, and thus, decreased ethanol yield”
Claim · model-written summary
Excess moisture reduced stalk juice quality.
Not reportedComparator
Verbatim
e0“EM stress deleteriously affected sweet sorghum growth, resulting in a remarkable reduction of aboveground biomass, stalk juice quality, stalk juice yield, and thus, decreased ethanol yield”
Claim · model-written summary
Excess moisture reduced stalk juice yield.
Not reportedComparator
Verbatim
e0“EM stress deleteriously affected sweet sorghum growth, resulting in a remarkable reduction of aboveground biomass, stalk juice quality, stalk juice yield, and thus, decreased ethanol yield”
Claim · model-written summary
Excess moisture decreased ethanol yield.
Not reportedComparator
Verbatim
e0“EM stress deleteriously affected sweet sorghum growth, resulting in a remarkable reduction of aboveground biomass, stalk juice quality, stalk juice yield, and thus, decreased ethanol yield”
Claim · model-written summary
Excess moisture significantly reduced plant relative water content.
Not reportedComparator
Verbatim
e0“EM stress also caused significant reduction in plant relative water content, which further decreased stalk juice extraction rate”
t0“sweet sorghum”
Claim · model-written summary
Reduced relative water content decreased stalk juice extraction rate.
Verbatim
e0“significant reduction in plant relative water content, which further decreased stalk juice extraction rate”
t0“sweet sorghum”
Claim · model-written summary
Light excess moisture reduced fresh stalk yield by 5% relative to control.
Verbatim
e0“Sweet sorghum grown under light, medium, and heavy EM treatments displayed 5, 19, and 30% fresh stalk yield reduction, which showed a significant difference compared to control”
Claim · model-written summary
Medium excess moisture reduced fresh stalk yield by 19% relative to control.
Verbatim
e0“Sweet sorghum grown under light, medium, and heavy EM treatments displayed 5, 19, and 30% fresh stalk yield reduction, which showed a significant difference compared to control”
Claim · model-written summary
Heavy excess moisture reduced fresh stalk yield by 30% relative to control.
Verbatim
e0“Sweet sorghum grown under light, medium, and heavy EM treatments displayed 5, 19, and 30% fresh stalk yield reduction, which showed a significant difference compared to control”
Claim · model-written summary
Estimated juice ethanol yield under light excess moisture declined to 1272 L ha-1 from 1407 ha-1 at optimum moisture.
Verbatim
e0“The estimated juice ethanol yield significantly declined from 1407 ha-1 (under optimum soil moisture) to 1272, 970, and 734 L ha-1 respectively”
t0“sweet sorghum”
t1“light, medium, and heavy EM treatments”
Claim · model-written summary
Estimated juice ethanol yield under medium excess moisture declined to 970 L ha-1.
- Taxon
- Sweet sorghumt0
- Outcome
- estimated juice ethanol yielde0
- Direction
- declinede0
- Value
- 970, and 734 L ha-1e0
- Comparator
- optimum soil moisturee0
Not reportedTreatment
Verbatim
e0“The estimated juice ethanol yield significantly declined from 1407 ha-1 (under optimum soil moisture) to 1272, 970, and 734 L ha-1 respectively”
t0“sweet sorghum”
Claim · model-written summary
Estimated juice ethanol yield under heavy excess moisture declined to 734 L ha-1.
- Taxon
- Sweet sorghumt0
- Outcome
- estimated juice ethanol yielde0
- Direction
- declinede0
- Value
- 734 L ha-1e0
- Comparator
- optimum soil moisturee0
Not reportedTreatment
Verbatim
e0“The estimated juice ethanol yield significantly declined from 1407 ha-1 (under optimum soil moisture) to 1272, 970, and 734 L ha-1 respectively”
t0“sweet sorghum”
The same questions in other papers
soil water · physiology: water · SorghumPositive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- negative
light · yield · SorghumPositive and negative results
5 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- positive
5 papers more in this group
See all 9 papers →soil water · yield · SorghumPositive and negative results
2 papers in the same direction as this paper · 8 in the opposite direction
- positive
- positive
- positive
7 papers more in this group
See all 11 papers →soil water · growth · SorghumPositive and negative results
5 papers in the same direction as this paper · 7 in the opposite direction
- positive
- positive
- positive
9 papers more in this group
See all 13 papers →soil water · quality: general · SorghumResults agree
1 paper in the same direction as this paper
- no effect
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.