Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2014 Dec 23;9(12):e115953. doi: 10.1371/journal.pone.0115953

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

This is an open-access article distributed under the terms of the Creative Commons Public Domain declaration, which stipulates that, once placed in the public domain, this work may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose.

PMC Copyright notice

Distribution of disease severity scores in the Pioneer (A) and Alforex populations (B). 1 = resistant with no or minimal chlorosis of lower leaves; 2 = moderately resistant with chlorosis of lower and middle leaves but no chlorosis of terminal leaves; 3 = susceptible with well developed symptoms of chlorosis, and necrotic and twisted terminal leaflets on at least one, but not all main stems, 4 = susceptible with severe symptoms of chlorosis, necrosis, and twisting of all leaflets on all main stems; and 5 = dead plant.