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Table 6 Correlation among the investigated traits of common bean treated different rates of N with and without inoculation in soil having rhizobial population nodulating common bean between 100 and 1000 g−1 soil

From: Indigenous rhizobia population influences the effectiveness of Rhizobium inoculation and need of inorganic N for common bean (Phaseolus vulgaris L.) production in eastern Ethiopia

Traits

NN

NDW

SDW

NPP

NSP

SW

TBY

GY

HI

NN

         

NDW

0.96***

        

SDW

−0.60*

−0.55*

       

NPP

−0.40 ns

−0.34 ns

0.77**

      

NSP

−0.35 ns

−0.26 ns

0.78**

0.66*

     

SW

−0.26 ns

−0.26 ns

0.51*

0.66*

0.34 ns

    

TBY

−0.36 ns

−0.29 ns

0.70*

0.88***

0.57*

0.71**

   

GY

−0.61*

−0.64*

0.73**

0.81**

0.49 ns

0.69*

0.77**

  

HI

−0.25 ns

−0.29 ns

0.19 ns

0.26 ns

0.16 ns

0.46 ns

0.17 ns

0.50*

 

PTTN

−0.42 ns

−0.36 ns

0.77**

0.84**

0.72**

0.52*

0.91***

0.69*

0.03 ns

  1. ns non-significant, NN-Nodule number per plant, NDW nodule dry weight per plant (g plant−1), SDW shoot dry weight (g plant−1), NPP number of pods per plant, NSP number of seeds per pod, 100 SW 100 seed weight (g), TBY total biomass yield (kg ha−1), GY grain yield (kg ha−1), HI harvest index
  2. * Significant at 0.05; ** highly significant at 0.01; *** very highly significant at 0.001