Abstract
通过盆栽试验研究了模拟渍水条件对苗期油菜（Brassica napus L.）中双11号生长及生理特性的影响。结果表明，渍水超过3 d就会显著抑制苗期油菜的生长，这与渍水降低油菜叶片叶绿体和光合色素含量、降低氮素吸收利用和引起过氧化胁迫有关。渍水后苗期油菜的生理恢复，无论是叶绿体和光合色素含量，还是硝酸还原酶及抗氧化酶活性的恢复均表现出一定的滞后性，而且渍水时间越长滞后期越长。此外，在苗期油菜叶片光合色素中，渍水对类胡萝卜素的影响要大于对叶绿素的影响。;A pot experiment was conducted to investigate the effects of waterlogging on the growth and physiological properties of juvenile oilseed rape (Brassica napus L cv. Zhongshuang No. 11). Waterlogging lasted 3 or more days significantly depressed the plant growth, which might be due to it decreased the chloroplast and photosynthetic pigment content, nitrogen uptake and utilization, and induced the oxidization of plant. The effects of waterlogging on juvenile oilseed rape growth is mainly attributed to its influence on the recovery process of physiological properties after flooding, which was prolonged with the period of waterlogging lasted, including the chloroplast and photosynthetic pigment content, nitrate reductase and antioxidant enzyme activities. Moreover, in photosynthetic pigment, the effect of waterlogging on the carotenoid content was more significant than chlorophyll content of juvenile oilseed rape.
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Claims 6
Claim · model-written summary
Waterlogging for at least three days significantly depressed juvenile oilseed rape growth.
- Taxon
- oilseed rape
_Brassica_napus_-_Habit.jpg?width=60)
Brassica napuse1 - Material
- Zhongshuang No. 11e1
- Treatment
- Waterlogging lasted 3 or more dayse0
- Outcome
- plant growthe0
- Direction
- depressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Brassica_napus_-_Habit.jpg?width=500)
Verbatim
e0“Waterlogging lasted 3 or more days significantly depressed the plant growth”
e1“juvenile oilseed rape (Brassica napus L cv. Zhongshuang No. 11)”
Claim · model-written summary
Waterlogging decreased chloroplast and photosynthetic pigment content.
- Taxon
- oilseed rapeBrassica napuse1
- Treatment
- Waterlogginge2
- Outcome
- chloroplast and photosynthetic pigment contente0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it decreased the chloroplast and photosynthetic pigment content, nitrogen uptake and utilization, and induced the oxidization of plant.”
e1“juvenile oilseed rape (Brassica napus L cv. Zhongshuang No. 11)”
e2“Waterlogging lasted 3 or more days significantly depressed the plant growth”
Claim · model-written summary
Waterlogging decreased nitrogen uptake and utilization.
- Taxon
- oilseed rapeBrassica napuse1
- Treatment
- Waterlogginge2
- Outcome
- nitrogen uptake and utilizatione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it decreased the chloroplast and photosynthetic pigment content, nitrogen uptake and utilization, and induced the oxidization of plant.”
e1“juvenile oilseed rape (Brassica napus L cv. Zhongshuang No. 11)”
e2“Waterlogging lasted 3 or more days significantly depressed the plant growth”
Claim · model-written summary
Waterlogging induced oxidation in juvenile oilseed rape.
- Taxon
- oilseed rapeBrassica napuse1
- Treatment
- Waterlogginge2
- Outcome
- oxidization of plante0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“induced the oxidization of plant.”
e1“juvenile oilseed rape (Brassica napus L cv. Zhongshuang No. 11)”
e2“Waterlogging lasted 3 or more days significantly depressed the plant growth”
Claim · model-written summary
Physiological recovery after flooding took longer with longer waterlogging duration.
- Taxon
- oilseed rapeBrassica napuse0
- Treatment
- waterlogginge0
- Outcome
- recovery process of physiological properties after floodinge0
- Direction
- prolongede0
- Qualifier
- chloroplast and photosynthetic pigment content, nitrate reductase and antioxidant enzyme activitiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of waterlogging on juvenile oilseed rape growth is mainly attributed to its influence on the recovery process of physiological properties after flooding, which was prolonged with the period of waterlogging lasted, including the chloroplast and photosynthetic pigment content, nitrate reductase and antioxidant enzyme activities.”
Claim · model-written summary
Waterlogging affected carotenoid content more significantly than chlorophyll content.
- Taxon
- oilseed rapeBrassica napuse0
- Treatment
- waterlogginge0
- Outcome
- carotenoid contente0
- Direction
- more significant thane0
- Comparator
- chlorophyll contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of waterlogging on the carotenoid content was more significant than chlorophyll content of juvenile oilseed rape.”
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See all 30 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.