Abstract
Effects of sustainable water saturation in dry nursery seedbed (SSWS)on material metabolism of rice seedlings were studied by using the japonica cultivars of Wuxiangjing 9 and Wuyunjing 7. The results showed that compared to dry seedbed seedlings, under keeping water saturation in dry nursery seedbed, physiology character of rice seedlings, such as plant NO- 3-N content, nitrate reductase activity(NRA) in leaf, soluble sugar in shoot, soluble protein in roots, roots vigor were up to a best status in 9—12 h. With the longer duration of water saturation in dry nursery seedbed, IAA and iPAs contents were continuously raised in leaves and roots, the ratio of IAA/iPAs in leaves gradually decreased, however in roots gradually increased.
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Claims 4
Claim · model-written summary
After 9—12 h of saturation, five rice seedling physiological measures attained their best status versus dry seedbed seedlings.
- Taxon
- rice seedlings
Oryza sativae0 - Treatment
- keeping water saturation in dry nursery seedbede0
- Outcome
- plant NO- 3-N content, nitrate reductase activity(NRA) in leaf, soluble sugar in shoote0
- Direction
- best statuse0
- Qualifier
- 9—12 he0
- Comparator
- dry seedbed seedlingse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“compared to dry seedbed seedlings, under keeping water saturation in dry nursery seedbed, physiology character of rice seedlings, such as plant NO- 3-N content, nitrate reductase activity(NRA) in leaf, soluble sugar in shoot, soluble protein in roots, roots vigor were up to a best status in 9—12 h.”
Claim · model-written summary
Leaf and root IAA content rose continuously with longer saturation.
- Taxon
- riceOryza sativat0
- Organ / stage
- leaves and rootse0
- Treatment
- water saturation in dry nursery seedbede0
- Outcome
- IAA and iPAs contentse0
- Direction
- continuously raisede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the longer duration of water saturation in dry nursery seedbed, IAA and iPAs contents were continuously raised in leaves and roots”
t0“Rice”
Claim · model-written summary
Leaf IAA/iPAs ratio gradually decreased with longer saturation.
- Taxon
- riceOryza sativat0
- Treatment
- water saturation in dry nursery seedbede0
- Outcome
- ratio of IAA/iPAs in leavese0
- Direction
- gradually decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the longer duration of water saturation in dry nursery seedbed, IAA and iPAs contents were continuously raised in leaves and roots, the ratio of IAA/iPAs in leaves gradually decreased”
t0“Rice”
Claim · model-written summary
Root IAA/iPAs ratio gradually increased with longer saturation.
- Taxon
- riceOryza sativat0
- Treatment
- water saturation in dry nursery seedbede0
- Outcome
- rootse0
- Direction
- gradually increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With the longer duration of water saturation in dry nursery seedbed, IAA and iPAs contents were continuously raised in leaves and roots, the ratio of IAA/iPAs in leaves gradually decreased, however in roots gradually increased.”
t0“Rice”
The same questions in other papers
transplanting · physiology: enzyme activity · Oryza sativa (rice)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
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.