Herbivory on wild-type and npq4 plants. Levels of natural herbivory on Arabidopsis wild-type and npq4 plants scored in the common garden. 'Young' plants were introduced to the field after six days of growth, while 'old' plants were introduced to the field after 21 days of growth. Both number of plants attacked by herbivore and the proportion if leaf area eaten was scored.
Frenkel et al. BMC Plant Biology 2009 9:12 doi:10.1186/1471-2229-9-12