Abstract
The effects of low P stress on the morphologies and physiological indices of sorghum were investigated with 14 sorghum cultivars at seedling stage.The results show,1) Different P supply levels significantly affect the morphologies of sorghum seedlings(P 0.01).P supply level of 0.25 mmol/L was found to be the proper P level for screening P-tolerance cultivars;2) Low P stress decreases the P content of shoot,and negatively influences morphological development of sorghum seedlings,especially on plant dry weight accumulation.Therefore shoot P content and above ground dry weight were recommonded as screening indices for low P-tolerance cultivars at sorghum seedling stage;3) Different cultivars responded differently to low-P stress.Bayueqi was a low-P tolerance cultivar,while Nong858 was a low-P sensitive cultivar through cluster analysis;4) P deficiency leads to low chlorophyll and soluble protein contents,high MDA content and high SOD and POD activities in sorgum seedlings.Except soluble protein,relative variations in the tested indices were small in low-P tolerance cultivars,high in lowP sensitive cultivars.
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Claims 13
Claim · model-written summary
P supply significantly affected sorghum seedling morphology.
SorghumNot reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“Different P supply levels significantly affect the morphologies of sorghum seedlings(P 0.01)”
Claim · model-written summary
A P supply of 0.25 mmol/L was identified for screening P tolerance.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“P supply level of 0.25 mmol/L was found to be the proper P level for screening P-tolerance cultivars”
Claim · model-written summary
Low P stress reduced P content of shoot.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“Low P stress decreases the P content of shoot,and negatively influences morphological development of sorghum seedlings,especially on plant dry weight accumulation”
Claim · model-written summary
Low P stress reduced plant dry weight accumulation.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“Low P stress decreases the P content of shoot,and negatively influences morphological development of sorghum seedlings,especially on plant dry weight accumulation”
Claim · model-written summary
Shoot P content and aboveground dry weight were recommended as screening indices.
- Outcome
- shoot P content and above ground dry weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“shoot P content and above ground dry weight were recommonded as screening indices for low P-tolerance cultivars at sorghum seedling stage”
Claim · model-written summary
Bayueqi was classified as a low-P tolerance cultivar.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“Bayueqi was a low-P tolerance cultivar,while Nong858 was a low-P sensitive cultivar through cluster analysis”
Claim · model-written summary
Nong858 was classified as a low-P sensitive cultivar.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“Bayueqi was a low-P tolerance cultivar,while Nong858 was a low-P sensitive cultivar through cluster analysis”
Claim · model-written summary
P deficiency produced low chlorophyll in sorghum seedlings.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“P deficiency leads to low chlorophyll and soluble protein contents,high MDA content and high SOD and POD activities in sorgum seedlings”
Claim · model-written summary
P deficiency produced low soluble protein in sorghum seedlings.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“P deficiency leads to low chlorophyll and soluble protein contents,high MDA content and high SOD and POD activities in sorgum seedlings”
Claim · model-written summary
P deficiency produced high MDA in sorghum seedlings.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“P deficiency leads to low chlorophyll and soluble protein contents,high MDA content and high SOD and POD activities in sorgum seedlings”
Claim · model-written summary
P deficiency produced high SOD in sorghum seedlings.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“P deficiency leads to low chlorophyll and soluble protein contents,high MDA content and high SOD and POD activities in sorgum seedlings”
Claim · model-written summary
P deficiency produced high POD in sorghum seedlings.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“P deficiency leads to low chlorophyll and soluble protein contents,high MDA content and high SOD and POD activities in sorgum seedlings”
Claim · model-written summary
Most tested indices varied less in tolerant cultivars and more in sensitive cultivars, except soluble protein.
- Material
- low-P tolerance cultivarse0
- Outcome
- relative variations in the tested indicese0
- Direction
- smalle0
- Qualifier
- Except soluble proteine0
- Comparator
- lowP sensitive cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum cultivars”
e0“Except soluble protein,relative variations in the tested indices were small in low-P tolerance cultivars,high in lowP sensitive cultivars”
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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.