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Table 4 Correlation of nematode reproduction and gall rating with agronomic traits for the 1st and 2nd seasons

From: QTL mapping for resistance to and tolerance for the rice root-knot nematode, Meloidogyne graminicola

 

First season

Second season

J2 per root system

J2 per g of root

Gall rating

J2 per root system

J2 per g of root

Gall rating

Plant height

−0.053

− 0.198**

− 0.072

−0.021

− 0.039

−0.145*

Fresh shoot wt.

− 0.048

− 0.288**

− 0.262**

− 0.023

−0.068

− 0.175**

Dry shoot wt.

− 0.154**

− 0.263**

− 0.286**

− 0.246**

− 0.256**

− 0.189**

Fresh root wt.

− 0.177**

− 0.341**

0.021

−0.180**

− 0.428**

0.006

Dry root wt.

−0.155**

− 0.347**

− 0.051

−0.158**

− 0.389**

− 0.023

Panicles per plant

−0.034

− 0.188**

− 0.140*

− 0.010

−0.046

− 0.114*

percentage of filled grains

−0.053

− 0.083

−0.067

− 0.059

−0.023

− 0.067

Yield per plant

−0.005

− 0.057

−0.172**

− 0.012

−0.082

− 0.151**

Yield reduction

0.046

0.022

0.173*

0.013

0.077

0.245**

  1. **significant at P = 0.01
  2. *significant at P = 0.05