Abstract
Based on some traits related to growth development and yield components, hybridi rice and conventional rice varieties (CRV) were investigated comparatively under complete submergence or deepwater stress at tillering and booting stages. It had been shown that the yield per plant of hybrid rice was significantly higher than that of CRV, which resulted from more rapid growth development, higher tillers no. per plant, lower relative damage percent (RDP) of effective panicles in hybrid rice under deepwater stress. Compared with CRV, hybrid rice had better tolerance ability, higher survival and more rapid recovery growth from adverse stress under complete submergence stress at tillering stage; and moreover, hybrid rice had much higher effective panicle percent, very significantly lower RDP of grains per panicle and seed setting rate, which resulted in lower yield reduction after maturation. However, the differences of all traits investigated for economic yield between hybrid rice and CRV were not significant under complete submergence at booting stage.
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Claims 11
Claim · model-written summary
Hybrid rice had significantly higher yield per plant than conventional rice varieties under deepwater stress.
- Taxon
- rice
Oryza sativae2 - Material
- hybrid ricee2
- Treatment
- deepwater stresse2
- Outcome
- yield per plante2
- Direction
- highere2
- Comparator
- CRVe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“It had been shown that the yield per plant of hybrid rice was significantly higher than that of CRV, which resulted from more rapid growth development, higher tillers no. per plant, lower relative damage percent (RDP) of effective panicles in hybrid rice under deepwater stress”
Claim · model-written summary
Hybrid rice had higher tiller number per plant than conventional rice varieties under deepwater stress.
- Taxon
- riceOryza sativae2
- Material
- hybrid ricee2
- Treatment
- deepwater stresse2
- Outcome
- tillers no. per plante2
- Direction
- highere2
- Comparator
- CRVe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“It had been shown that the yield per plant of hybrid rice was significantly higher than that of CRV, which resulted from more rapid growth development, higher tillers no. per plant, lower relative damage percent (RDP) of effective panicles in hybrid rice under deepwater stress”
Claim · model-written summary
Hybrid rice had lower relative damage percent of effective panicles than conventional rice varieties under deepwater stress.
- Taxon
- riceOryza sativae2
- Material
- hybrid ricee2
- Treatment
- deepwater stresse2
- Outcome
- relative damage percent (RDP) of effective paniclese2
- Direction
- lowere2
- Comparator
- CRVe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“It had been shown that the yield per plant of hybrid rice was significantly higher than that of CRV, which resulted from more rapid growth development, higher tillers no. per plant, lower relative damage percent (RDP) of effective panicles in hybrid rice under deepwater stress”
Claim · model-written summary
Hybrid rice had more rapid growth development than conventional rice varieties under deepwater stress.
- Taxon
- riceOryza sativae2
- Material
- hybrid ricee2
- Treatment
- deepwater stresse2
- Outcome
- growth developmente2
- Direction
- more rapide2
- Comparator
- CRVe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“It had been shown that the yield per plant of hybrid rice was significantly higher than that of CRV, which resulted from more rapid growth development, higher tillers no. per plant, lower relative damage percent (RDP) of effective panicles in hybrid rice under deepwater stress”
Claim · model-written summary
Hybrid rice had better tolerance ability than conventional rice varieties under complete submergence at tillering stage.
- Taxon
- riceOryza sativae3
- Material
- hybrid ricee3
- Organ / stage
- tillering stagee3
- Treatment
- complete submergence stresse3
- Outcome
- tolerance abilitye3
- Direction
- bettere3
- Comparator
- CRVe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Compared with CRV, hybrid rice had better tolerance ability, higher survival and more rapid recovery growth from adverse stress under complete submergence stress at tillering stage”
Claim · model-written summary
Hybrid rice had higher survival than conventional rice varieties under complete submergence at tillering stage.
- Taxon
- riceOryza sativae3
- Material
- hybrid ricee3
- Organ / stage
- tillering stagee3
- Treatment
- complete submergence stresse3
- Outcome
- survivale3
- Direction
- highere3
- Comparator
- CRVe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Compared with CRV, hybrid rice had better tolerance ability, higher survival and more rapid recovery growth from adverse stress under complete submergence stress at tillering stage”
Claim · model-written summary
Hybrid rice had more rapid recovery growth than conventional rice varieties under complete submergence at tillering stage.
- Taxon
- riceOryza sativae3
- Material
- hybrid ricee3
- Organ / stage
- tillering stagee3
- Treatment
- complete submergence stresse3
- Outcome
- recovery growthe3
- Direction
- more rapide3
- Comparator
- CRVe3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Compared with CRV, hybrid rice had better tolerance ability, higher survival and more rapid recovery growth from adverse stress under complete submergence stress at tillering stage”
Claim · model-written summary
Hybrid rice had higher effective panicle percent than conventional rice varieties under complete submergence.
- Taxon
- riceOryza sativae4
- Material
- hybrid ricee4
- Treatment
- complete submergencee1
- Outcome
- effective panicle percente4
- Direction
- highere4
- Comparator
- CRVe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“hybrid rice had much higher effective panicle percent, very significantly lower RDP of grains per panicle and seed setting rate”
e1“hybridi rice and conventional rice varieties (CRV) were investigated comparatively under complete submergence or deepwater stress”
Claim · model-written summary
Hybrid rice had very significantly lower relative damage percent of grains per panicle and lower seed setting rate than conventional rice varieties under complete submergence.
- Taxon
- riceOryza sativae4
- Material
- hybrid ricee4
- Treatment
- complete submergencee1
- Outcome
- RDP of grains per panicle and seed setting ratee4
- Direction
- lowere4
- Comparator
- CRVe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“hybrid rice had much higher effective panicle percent, very significantly lower RDP of grains per panicle and seed setting rate”
e1“hybridi rice and conventional rice varieties (CRV) were investigated comparatively under complete submergence or deepwater stress”
Claim · model-written summary
Hybrid rice had lower yield reduction after maturation than conventional rice varieties under complete submergence.
- Taxon
- riceOryza sativae1
- Material
- hybridi ricee1
- Treatment
- complete submergencee1
- Outcome
- yield reduction after maturatione4
- Direction
- lowere4
- Comparator
- CRVe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“which resulted in lower yield reduction after maturation”
e1“hybridi rice and conventional rice varieties (CRV) were investigated comparatively under complete submergence or deepwater stress”
Claim · model-written summary
Economic yield traits did not differ significantly between hybrid rice and conventional rice varieties under complete submergence at booting stage.
- Taxon
- riceOryza sativae5
- Material
- hybrid ricee5
- Organ / stage
- booting stagee5
- Treatment
- complete submergencee5
- Outcome
- economic yielde5
- Direction
- no_changeinferrede5
- Comparator
- CRVe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“However, the differences of all traits investigated for economic yield between hybrid rice and CRV were not significant under complete submergence at booting stage”
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