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Comparative Research on the Correlation Trait of Rice Plant Type with Erect Panicle

LIU Tao et al (College of Agronomy,Shenyang University,Shenyang,Liaoning 110161)  
The Japonica rice varieties with erect panicle type in different periods in Liaoning Province being taken as trial material,the characters and difference of Japonica rice plant type with erect panicle type in the ripening period were comparatively studied.The results showed that: there were different kinds of panicle types in erect panicle type.In varieties the variance of leaf number,leaf length and leaf width existed,which made the difference of the green leaf area.Leaves were erect in the plant.The leaf basic angle of flag leaf and top second leaf was less than 14°,from top third leaf to the lower leaf the leaf basic angle and leaf drooping degree become bigger.In less tiller varieties the drooping degree of the lower leaves were relative bigger,and its chlorophyll content and transmit light rate were higher.So it had the good base of dry matter accumulation.
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