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

Fig. 7. Percent incidence of wilt on muskmelon plants treated or not treated with insecticides in 2003 and 2004. Melons were first harvested between 27 July and 13 August. On the first harvest date or 10 days earlier, means within the same date without 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