Effect of Row Covers on Suppression of Bacterial Wilt of Muskmelon in Iowa

Fig. 6. Percent incidence of wilt on muskmelon plants grown with or without row covers in 2003 and 2004 at Iowa State University research farms near Armstrong, Gilbert, and Muscatine, IA. Melons were first harvested between 27 July and 13 August. On the first harvest date or 10 days earlier, means within the same date that do not have a letter in common are significantly different (P < 0.05). Row covers were removed between 40 and 45 days prior to the start of harvest.



Image from Plant Health Progress article:
Effect of Row Covers on Suppression of Bacterial Wilt of Muskmelon in Iowa