Abstract
Through typical investigation and statistic analysis,the results indicated that the 1000-grain weight decreased with the increase of disease level;yield loss rate increased when the stem disease rate and the disease index increased.Based on the results,three regression equations(the regression equation of 1 000-grain weight and disease index;the regression equation of yield loss rate and ultimate disease index;the regression equation of yield loss rate and ultimate stem disease rate) were formed.The chemical control index of S.sclerotiorum(S.sclerotiorum should not be controlled if it occurred less than mediumly;and should be controlled only once if it occurred mediumly;and should be controlled twice if occurred more than mediumly) were ascertained by EIL,which is caculated by average yield for nearly 3 years,market price and etc.
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Claims 4
Claim · model-written summary
Thousand grain weight declined as disease level increased.
- Interactor
- S.sclerotiorume1pathogen
- Outcome
- 1000-grain weighte0
- Direction
- decreasede0
- Qualifier
- disease levele0
Not reportedTaxon
Verbatim
e0“the 1000-grain weight decreased with the increase of disease level”
e1“The chemical control index of S.sclerotiorum”
Claim · model-written summary
Yield loss rate increased with stem disease rate and disease index.
- Interactor
- S.sclerotiorume1pathogen
- Outcome
- yield loss ratee0
- Direction
- increasede0
- Qualifier
- stem disease rate and the disease indexe0
Not reportedTaxon
Verbatim
e0“yield loss rate increased when the stem disease rate and the disease index increased”
e1“The chemical control index of S.sclerotiorum”
Claim · model-written summary
Three regression equations linked grain weight or yield loss to disease indices or stem disease rate.
Not reportedTaxon
Verbatim
e0“three regression equations(the regression equation of 1 000-grain weight and disease index;the regression equation of yield loss rate and ultimate disease index;the regression equation of yield loss rate and ultimate stem disease rate) were formed”
Claim · model-written summary
The authors recommend no control below medium occurrence, one control at medium occurrence, and two above medium occurrence.
- Interactor
- S.sclerotiorume0pathogen
- Outcome
- should not be controlled if it occurred less than mediumly;and should be controlled only once if it occurred mediumly;and should be controlled twice if occurred more than mediumlye0
Not reportedTaxon
Verbatim
e0“S.sclerotiorum should not be controlled if it occurred less than mediumly;and should be controlled only once if it occurred mediumly;and should be controlled twice if occurred more than mediumly”