Abstract
Seeds of Panicum miliaceum, P. sumatrense, Setaria glauca and S. italica were raised in polyvinylchloride (PVC) tubes filled with sandy soil in a greenhouse to determine the effect of preand post-heading water deficit on growth and grain yield. Water stress treatment was initiated 25 days after sowing. The grain yield of S. italica and S. glauca decreased 80 and 70%, respectively, under water stress; and that of P. miliaceum and P. sumatrense decreased 36 and 20%, respectively. The reductions were ascribed to smaller number of grains per panicle, smaller number of panicles and lighter total dry weight. The grain yield decreased when water stress was imposed before heading in S. italica and S. glauca ,but both before and after heading in P. miliaceum and P. sumatrense. Mild water stress decreased the leaf water potential of all millets. Osmotic adjustment of the leaf could not explain the interspecific difference in drought tolerance. Water stress increased the root growth of S. italica ,S. glauca and P. sumatrense at deeper soil layers at heading. At harvest, it also increased root growth at deeper soil layers in S.italica and S. glauca. There was a significant correlation between grain yield and root dry weight among the millets except S. italica. The drought tolerant millet showed greater drought tolerance to water deficit not only at the vegetative stages but also at the reproductive stages than two susceptible millets.
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Claims 19
Claim · model-written summary
Water stress reduced S. italica grain yield by 80%.
- Taxon
- S. italica
Setaria italicae0 - Treatment
- water stresse0
- Outcome
- grain yielde0
- Direction
- decreasede0
- Value
- 80e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain yield of S. italica and S. glauca decreased 80 and 70%, respectively, under water stress”
Claim · model-written summary
Water stress reduced S. glauca grain yield by 70%.
- Taxon
- S. glauca
Cenchrus americanuse0 - Treatment
- water stresse0
- Outcome
- grain yielde0
- Direction
- decreasede0
- Value
- 70%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain yield of S. italica and S. glauca decreased 80 and 70%, respectively, under water stress”
Claim · model-written summary
Water stress reduced P. miliaceum grain yield by 36%.
- Taxon
- P. miliaceum
Panicum miliaceume0 - Treatment
- water stresse0
- Outcome
- grain yieldt0
- Direction
- decreasede0
- Value
- 36e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under water stress; and that of P. miliaceum and P. sumatrense decreased 36 and 20%, respectively.”
t0“Water Deficit on Growth and Grain Yield of Four Millets”
Claim · model-written summary
Water stress reduced P. sumatrense grain yield by 20%.
- Taxon
- P. sumatrense
Panicum sumatrensee0 - Treatment
- Water Deficitt0
- Outcome
- Grain Yieldt0
- Direction
- decreasede0
- Value
- 20%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of P. miliaceum and P. sumatrense decreased 36 and 20%, respectively.”
t0“Water Deficit on Growth and Grain Yield of Four Millets”
Claim · model-written summary
Yield losses were ascribed to fewer grains per panicle, fewer panicles, and lower dry weight.
Verbatim
e0“The reductions were ascribed to smaller number of grains per panicle, smaller number of panicles and lighter total dry weight.”
t0“Four Millets”
Claim · model-written summary
Pre-heading water stress reduced S. italica grain yield.
- Taxon
- S. italicaSetaria italicae0
- Treatment
- water stress was imposed before headinge0
- Outcome
- grain yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain yield decreased when water stress was imposed before heading in S. italica and S. glauca”
Claim · model-written summary
Pre-heading water stress reduced S. glauca grain yield.
- Taxon
- S. glaucaCenchrus americanuse0
- Treatment
- water stress was imposed before headinge0
- Outcome
- grain yielde0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain yield decreased when water stress was imposed before heading in S. italica and S. glauca”
Claim · model-written summary
Both pre- and post-heading water stress reduced P. miliaceum grain yield.
- Taxon
- P. miliaceumPanicum miliaceume0
- Treatment
- before and after headinge0
- Outcome
- Grain Yieldt0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain yield decreased when water stress was imposed before heading in S. italica and S. glauca ,but both before and after heading in P. miliaceum and P. sumatrense.”
t0“Water Deficit on Growth and Grain Yield of Four Millets”
Claim · model-written summary
Both pre- and post-heading water stress reduced P. sumatrense grain yield.
- Taxon
- P. sumatrensePanicum sumatrensee0
- Treatment
- before and after headinge0
- Outcome
- Grain Yieldt0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grain yield decreased when water stress was imposed before heading in S. italica and S. glauca ,but both before and after heading in P. miliaceum and P. sumatrense.”
t0“Water Deficit on Growth and Grain Yield of Four Millets”
Claim · model-written summary
Mild water stress reduced leaf water potential in all millets.
Not reportedComparator
Verbatim
e0“Mild water stress decreased the leaf water potential of all millets.”
Claim · model-written summary
Leaf osmotic adjustment did not explain differences in millet drought tolerance.
Verbatim
e0“Osmotic adjustment of the leaf could not explain the interspecific difference in drought tolerance.”
t0“Four Millets”
Claim · model-written summary
Water stress increased deep root growth of S. italica at heading.
- Taxon
- S. italicaSetaria italicae0
- Treatment
- Water stresse0
- Outcome
- root growthe0
- Direction
- increasede0
- Qualifier
- at deeper soil layers at headinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress increased the root growth of S. italica ,S. glauca and P. sumatrense at deeper soil layers at heading.”
Claim · model-written summary
Water stress increased deep root growth of S. glauca at heading.
- Taxon
- S. glaucaCenchrus americanuse0
- Treatment
- Water stresse0
- Outcome
- root growthe0
- Direction
- increasede0
- Qualifier
- at deeper soil layers at headinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress increased the root growth of S. italica ,S. glauca and P. sumatrense at deeper soil layers at heading.”
Claim · model-written summary
Water stress increased deep root growth of P. sumatrense at heading.
- Taxon
- P. sumatrensePanicum sumatrensee0
- Treatment
- Water stresse0
- Outcome
- root growthe0
- Direction
- increasede0
- Qualifier
- at deeper soil layers at headinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress increased the root growth of S. italica ,S. glauca and P. sumatrense at deeper soil layers at heading.”
Claim · model-written summary
Water stress increased deep root growth of S.italica at harvest.
- Taxon
- S.italicaSetaria italicae0
- Treatment
- Water stresse0
- Outcome
- root growthe0
- Direction
- increasede0
- Qualifier
- At harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress increased the root growth of S. italica ,S. glauca and P. sumatrense at deeper soil layers at heading. At harvest, it also increased root growth at deeper soil layers in S.italica and S. glauca.”
t0“Water Deficit”
Claim · model-written summary
Water stress increased deep root growth of S. glauca at harvest.
- Taxon
- S. glaucaCenchrus americanuse0
- Treatment
- Water stresse0
- Outcome
- root growthe0
- Direction
- increasede0
- Qualifier
- At harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress increased the root growth of S. italica ,S. glauca and P. sumatrense at deeper soil layers at heading. At harvest, it also increased root growth at deeper soil layers in S.italica and S. glauca.”
t0“Water Deficit”
Claim · model-written summary
Grain yield and root dry weight were significantly correlated among millets other than S. italica.
Not reportedDirection
Verbatim
e0“There was a significant correlation between grain yield and root dry weight among the millets except S. italica.”
Claim · model-written summary
The drought-tolerant millet tolerated water deficit at vegetative stages better than two susceptible millets.
Verbatim
e0“The drought tolerant millet showed greater drought tolerance to water deficit not only at the vegetative stages but also at the reproductive stages than two susceptible millets.”
Claim · model-written summary
The drought-tolerant millet tolerated water deficit at reproductive stages better than two susceptible millets.
Verbatim
e0“The drought tolerant millet showed greater drought tolerance to water deficit not only at the vegetative stages but also at the reproductive stages than two susceptible millets.”
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See all 9 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.