通径分析在春小麦产量分析中的应用

本文对黑龙江垦区优质春小麦10个新品种的6个产量性状及产量进行了相关与通径分析,结果表明:麦粒容重、小穗数、千粒重和穗长是影响小麦产量主要性状,小麦各产量性状对产量的直接作用依次为:穗长、千粒重、粒容量、小穗数、穗粒数和株高。小麦各产量性状对产量的综合作用依次为:粒容量、千粒重、穗长、株高、穗粒数和小穗数。

Use of Path Analysis in Yield Analysis of Spring Wheat

In this paper,the relationship between 6 characters(plant height,ear length,ear number of per plant,kernel number of per ear,1000 kernels weight,ear capacity) and yield of wheat which is ten new breeds of Heilongjiang Reclamation were studied with Correlation and path analysis.The results indicated that the yield was significantly correlated with Correlation,ear number of per plant,1000 kernels weight,plant height,ear length.The directive importance of the six characters correlated with yield of wheat was in order of ear length>1000 kernels weight>ear capacity>ear number of per plant>kernel number of per ear >plant height.The comprehensive importance of the six characters correlated with yield of wheat was in order of capacity>1000 kernels weight>ear length>plant height>kernel number of per ear>ear number of per plant.