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Table 1 Rating scale for phenotypic assessment of gray leaf spot resistance

From: Identification of a novel major locus for gray leaf spot resistance in Italian ryegrass (Lolium multiflorumLam.)

Phenotype

Score

Symptoms

Resistant

0

No visible symptoms

 

1

Dark-brown, non-sporulating lesions

 

2

Expanding, dark-brown, non-sporulating lesions

Susceptible

3

Small circular or diamond-shaped lesions with sporulating areas

 

4

Large expanding lesions with sporulating areas

  1. See details and corresponding photographs in Takahashi et al. [13].