Abstract
Controlling water treatments(CWT) for two rice varieties(Shangyu 397 and Suijing 3) at(-0.030) to-0.035MPa and-0.060 to-0.065 MPa of soil water potential were carried out during tillering stage,panicle initiation stage,1～10 days after heading,and 11～20 days after heading,respectively.CWT during tillering stage reduced the panicles per hill and grains per panicle.CWT during panicle formation stage decreased distinctly the panicle length,panicle node number,branches on the neck-panicle,and grains per panicle,filled grain rate and 1 000-grain weight.CWT during 1～10 days after heading stage enabled grains per panicle and 1 000-grain weight to decrease.The effect of CWT on secondary branch number per panicle,total grains,filled grain rate and 1 000-grain on secondary branch weight were greater than that on primary branch.The order of yield reduction in two varieties under the same water stress condition was treated during panicle formation stagetreated during tillering stagetreated during 1～10 days after headingother treatments.The sequence of yield components affected by CWT was: panicle grains,filled grain rate,panicles per hill,(1 000)-grain weight.Increase of branch number of different positions,grains and filled grain rate on secondary branch will be more beneficial to improve rice yield.
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Claims 8
Claim · model-written summary
Controlled water treatment during tillering reduced panicles per hill and grains per panicle.
- Taxon
- rice
Oryza sativat0 - Treatment
- CWT during tillering stagee0
- Outcome
- panicles per hill and grains per paniclee0
- Direction
- reducede0
- Setting
- cold regiont1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“CWT during tillering stage reduced the panicles per hill and grains per panicle”
Claim · model-written summary
Controlled water treatment during panicle formation decreased panicle length, panicle node number and branches on the neck-panicle.
- Taxon
- riceOryza sativat0
- Treatment
- CWT during panicle formation stagee0
- Outcome
- panicle length,panicle node number,branches on the neck-paniclee0
- Direction
- decreasede0
- Setting
- cold regiont1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“CWT during panicle formation stage decreased distinctly the panicle length,panicle node number,branches on the neck-panicle,and grains per panicle,filled grain rate and 1 000-grain weight”
Claim · model-written summary
Controlled water treatment during panicle formation decreased grains per panicle, filled grain rate and 1 000-grain weight.
- Taxon
- riceOryza sativat0
- Treatment
- CWT during panicle formation stagee0
- Outcome
- grains per panicle,filled grain rate and 1 000-grain weighte0
- Direction
- decreasede0
- Setting
- cold regiont1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“CWT during panicle formation stage decreased distinctly the panicle length,panicle node number,branches on the neck-panicle,and grains per panicle,filled grain rate and 1 000-grain weight”
Claim · model-written summary
Controlled water treatment during 1-10 days after heading decreased grains per panicle and 1 000-grain weight.
- Taxon
- riceOryza sativat0
- Treatment
- CWT during 1～10 days after heading stagee0
- Outcome
- grains per panicle and 1 000-grain weighte0
- Direction
- decreasee0
- Setting
- cold regiont1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“CWT during 1～10 days after heading stage enabled grains per panicle and 1 000-grain weight to decrease”
Claim · model-written summary
The effect of controlled water treatment on secondary branch traits was greater than on primary branch.
- Taxon
- riceOryza sativat0
- Treatment
- CWTe0
- Outcome
- secondary branch number per panicle,total grains,filled grain rate and 1 000-grain on secondary branch weighte0
- Direction
- greatere0
- Comparator
- primary branche0
- Setting
- cold regiont1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“The effect of CWT on secondary branch number per panicle,total grains,filled grain rate and 1 000-grain on secondary branch weight were greater than that on primary branch”
Claim · model-written summary
Yield reduction under the same water stress was largest when treated at panicle formation, then tillering, then 1-10 days after heading, then other treatments.
- Taxon
- riceOryza sativat0
- Outcome
- yield reductione0
- Setting
- cold regiont1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“The order of yield reduction in two varieties under the same water stress condition”
Claim · model-written summary
Yield components were affected by water treatment in the sequence panicle grains, filled grain rate, panicles per hill, 1 000-grain weight.
- Taxon
- riceOryza sativat0
- Treatment
- CWTe0
- Outcome
- yield componentse0
- Setting
- cold regiont1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“The sequence of yield components affected by CWT was: panicle grains,filled grain rate,panicles per hill,(1 000)-grain weight”
Claim · model-written summary
Increasing branch number, grains and filled grain rate on secondary branches would be more beneficial for improving rice yield.
- Taxon
- riceOryza sativat0
- Outcome
- improve rice yielde0
- Setting
- cold regiont1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“yield of rice”
t1“cold region”
e0“Increase of branch number of different positions,grains and filled grain rate on secondary branch will be more beneficial to improve rice yield”
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