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Table 4 Correlation coefficients of grain yield and yield components among 100 cowpea genotypes evaluated at two locations in Zambia

From: Assessing the genetic diversity of cowpea [Vigna unguiculata (L.) Walp.] germplasm collections using phenotypic traits and SNP markers

Traits

DTF

DTM

PDL

NPP

NSP

SDS

HSWT

GYD

DTF

1

       

DTM

0.66**

1

      

PDL

− 0.05

0.01

1

     

NPP

−0.05

− 0.05

0.43**

1

    

NSP

−0.05

0.03

0.64**

0.38**

1

   

SDS

−0.01

0.00

−0.04

− 0.09

−0.30**

1

  

HSW

0.01

−0.06

0.07

−0.09

−0.12

0.51***

1

 

GYD

−0.05

−0.07

0.42**

0.50**

0.46**

−0.12

0.04

1

  1. Note: **.*** = Significant at 5 and 1% respectively; DTF days to flowering, DTM days to maturity, PDL pod length (cm), NPP number of pods per plant, NSP number of seeds per pod, HSW hundred seed weight (g), GYD grain yield in kg per hectare
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BMC Genomic Data

ISSN: 2730-6844

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