Abstract
Seeds of transgenic insect resistant cotton cultivars,CCRI 41and Z-905,together with their genetic background cultivars CCRI 23 as contrast,were used to investigate the effects of sand priming on changes of cotton seed vigor,field emergence and seedling growth characteristics after artificial aging treatment.The research showed that sand priming had a significant effect on artificial aged seed vigor and seedling growth of the three tested cotton cultivars.The results of biochemical analysis showed that the activities of superoxide dismutase(SOD) and peroxidase(POD) in cotyledons and roots of CCRI 41 and Z-905 cotton seedlings increased significantly,after they were treated by seed priming with sand,comparing with their corresponding control.CCRI 23 with priming treatment maintained higher SOD and POD activities in its roots than its unprimed control.Meanwhile,sand priming dramatically reduced malondialdehyde(MDA) accumulation in cotyledons of the three varieties.The experiment indicated that sand priming could enhance the aging tolerance of seedlings due to increasing the antioxidant enzyme activity and reducing the malondialdehyde(MDA) accumulating in the cotton seedlings,which suggested that sand priming may help to improve seedling establishment and enhance the ability of aging tolerance in cotton.The results showed that the transgenic insect resistant cotton Z-905 and CCRI 41 had a better priming effect than that of the contrast CCRI 23 which had a higher anti-aging ability.
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Claims 8
Claim · model-written summary
Sand priming had a significant effect on aged seed vigor and seedling growth of the three tested cotton cultivars.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- sand priminge1
- Outcome
- artificial aged seed vigor and seedling growthe1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“sand priming had a significant effect on artificial aged seed vigor and seedling growth of the three tested cotton cultivars”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
SOD and POD activities in cotyledons and roots of CCRI 41 and Z-905 seedlings increased significantly after seed priming with sand compared with the control.
- Taxon
- cottonGossypium hirsutumt0
- Material
- CCRI 41 and Z-905e2
- Organ / stage
- cotyledons and rootse2
- Treatment
- seed priming with sande2
- Outcome
- activities of superoxide dismutase(SOD) and peroxidase(POD)e2
- Direction
- increasede2
- Comparator
- corresponding controle2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“the activities of superoxide dismutase(SOD) and peroxidase(POD) in cotyledons and roots of CCRI 41 and Z-905 cotton seedlings increased significantly,after they were treated by seed priming with sand,comparing with their corresponding control”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
CCRI 23 with priming maintained higher SOD and POD activities in its roots than its unprimed control.
- Taxon
- cottonGossypium hirsutumt0
- Material
- CCRI 23e3
- Organ / stage
- rootse3
- Treatment
- priming treatmente3
- Outcome
- SOD and POD activitiese3
- Direction
- highere3
- Comparator
- unprimed controle3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“CCRI 23 with priming treatment maintained higher SOD and POD activities in its roots than its unprimed control”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
Sand priming dramatically reduced MDA accumulation in cotyledons of the three cotton varieties.
- Taxon
- cottonGossypium hirsutumt0
- Material
- the three varietiese4
- Organ / stage
- cotyledonse4
- Treatment
- sand priminge4
- Outcome
- malondialdehyde(MDA) accumulatione4
- Direction
- reducede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“sand priming dramatically reduced malondialdehyde(MDA) accumulation in cotyledons of the three varieties”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
Sand priming enhances aging tolerance of cotton seedlings, attributed to higher antioxidant enzyme activity and lower MDA accumulation.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- sand priminge5
- Outcome
- aging tolerance of seedlingse5
- Qualifier
- increasing the antioxidant enzyme activitye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“sand priming could enhance the aging tolerance of seedlings due to increasing the antioxidant enzyme activity and reducing the malondialdehyde(MDA) accumulating in the cotton seedlings”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
Sand priming may help to improve seedling establishment of cotton (hypothesis from the results).
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- sand priminge6
- Outcome
- seedling establishmente6
- Direction
- improvee6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“sand priming may help to improve seedling establishment”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
Cotton lines Z-905 and CCRI 41 had a better priming effect than the contrast CCRI 23.
- Taxon
- cottonGossypium hirsutumt0
- Material
- Z-905 and CCRI 41e7
- Outcome
- priming effecte7
- Direction
- bettere7
- Comparator
- CCRI 23e7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“the transgenic insect resistant cotton Z-905 and CCRI 41 had a better priming effect than that of the contrast CCRI 23”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
Claim · model-written summary
CCRI 23 had a higher anti-aging ability than Z-905 and CCRI 41.
- Taxon
- cottonGossypium hirsutumt0
- Material
- CCRI 23e7
- Outcome
- anti-aging abilitye7
- Direction
- highere7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“CCRI 23 which had a higher anti-aging ability”
t0“Effect of Sand Priming on Aged Seed Vigor and Physiological Changes of Transgenic Insect Resistant Cotton”
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seed treatment · physiology: oxidative · Gossypium hirsutum (cotton)Results agree
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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.