Abstract
Experiments were conducted to study rice drought during the tillering stage,jointing and booting stage,sprouting and blooming stage,and milky ripe stage,with the water level of the paddy field being the control index.The effects of rice drought during different growth stages on the yield and its component factors of rice were studied based on the test data.The results show that rice drought at the tillering stage is most unfavorable to the effective panicle number,but after re-watering it will make the grain number per spike and seed setting rate increase and have an insignificant effect on 1 000-grain weight;if rice at the tillering stage experiences serious drought,it will cause a sharp decline of yield;rice at the jointing and booting stage is quite sensitive to water,so drought at this stage will seriously cut the yield and have an unfavorable effect on the grain number per spike and seed setting rate and an insignificant effect on 1 000-grain weight;rice drought at the sprouting and blooming stage has an unfavorable effect on the grain number per spike,seed setting rate,and 1 000-grain weight;and rice drought at the milky ripe stage has an unfavorable effect on 1 000-grain weight.Through grey relational grade analysis,it was found that the component factor of rice yield that contributes the most to the yield of rice is the effective panicle number.
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Claims 11
Claim · model-written summary
Tillering-stage drought was most unfavorable to effective panicle number.
- Taxon
- rice
Oryza sativae0 - Treatment
- drought at the tillering stagee0
- Outcome
- effective panicle numbere0
- Direction
- most unfavorablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice drought at the tillering stage is most unfavorable to the effective panicle number”
Claim · model-written summary
Rewatering after tillering drought increased grain number per spike.
- Taxon
- riceOryza sativae0
- Treatment
- re-wateringe0
- Outcome
- grain number per spikee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice drought at the tillering stage is most unfavorable to the effective panicle number,but after re-watering it will make the grain number per spike and seed setting rate increase”
Claim · model-written summary
Rewatering after tillering drought increased seed setting rate.
- Taxon
- riceOryza sativae0
- Treatment
- re-wateringe0
- Outcome
- seed setting ratee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice drought at the tillering stage is most unfavorable to the effective panicle number,but after re-watering it will make the grain number per spike and seed setting rate increase”
Claim · model-written summary
Tillering drought had an insignificant effect on 1,000-grain weight after rewatering.
- Taxon
- riceOryza sativae0
- Treatment
- drought at the tillering stagee0
- Outcome
- 1 000-grain weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice drought at the tillering stage is most unfavorable to the effective panicle number,but after re-watering it will make the grain number per spike and seed setting rate increase and have an insignificant effect on 1 000-grain weight”
Claim · model-written summary
Serious tillering-stage drought sharply decreased rice yield.
- Taxon
- riceOryza sativae0
- Treatment
- serious droughte0
- Outcome
- yielde0
- Direction
- sharp declinee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“if rice at the tillering stage experiences serious drought,it will cause a sharp decline of yield”
Claim · model-written summary
Drought at jointing and booting seriously reduced rice yield.
- Taxon
- riceOryza sativae0
- Organ / stage
- jointing and booting stagee0
- Treatment
- drought at this stagee0
- Outcome
- yielde0
- Direction
- seriously cute0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice at the jointing and booting stage is quite sensitive to water,so drought at this stage will seriously cut the yield”
Claim · model-written summary
Jointing and booting drought adversely affected grain number per spike and seed setting rate.
- Taxon
- riceOryza sativae0
- Organ / stage
- jointing and booting stagee0
- Treatment
- drought at this stagee0
- Outcome
- grain number per spike and seed setting ratee0
- Direction
- unfavorablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice at the jointing and booting stage is quite sensitive to water,so drought at this stage will seriously cut the yield and have an unfavorable effect on the grain number per spike and seed setting rate”
Claim · model-written summary
Jointing and booting drought had an insignificant effect on 1,000-grain weight.
- Taxon
- riceOryza sativae0
- Organ / stage
- jointing and booting stagee0
- Treatment
- drought at this stagee0
- Outcome
- 1 000-grain weighte0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice at the jointing and booting stage is quite sensitive to water,so drought at this stage will seriously cut the yield and have an unfavorable effect on the grain number per spike and seed setting rate and an insignificant effect on 1 000-grain weight”
Claim · model-written summary
Drought at sprouting and blooming adversely affected grain number per spike, seed setting rate, and 1,000-grain weight.
- Taxon
- riceOryza sativae0
- Treatment
- drought at the sprouting and blooming stagee0
- Outcome
- grain number per spike,seed setting rate,and 1 000-grain weighte0
- Direction
- unfavorablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice drought at the sprouting and blooming stage has an unfavorable effect on the grain number per spike,seed setting rate,and 1 000-grain weight”
Claim · model-written summary
Drought at the milky ripe stage adversely affected 1,000-grain weight.
- Taxon
- riceOryza sativae0
- Treatment
- drought at the milky ripe stagee0
- Outcome
- 1 000-grain weighte0
- Direction
- unfavorablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rice drought at the milky ripe stage has an unfavorable effect on 1 000-grain weight”
Claim · model-written summary
Effective panicle number contributed most to rice yield in grey relational analysis.
- Taxon
- riceOryza sativae0
- Organ / stage
- effective panicle numbere0
- Outcome
- yield of ricee0
- Direction
- moste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the component factor of rice yield that contributes the most to the yield of rice is the effective panicle number”
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